/*
 * MühasibatlıqPro v2.1 - Modern Multi-Tenant SaaS Platform Styles
 * Architecture: Modular, Utility-first inspired, Responsive
 * Design System: Defined using CSS Variables for easy customization and scalability
 */

/* 1. Modern CSS Reset & Global Variables */
:root {
    /* Main Accent Colors (Blue Palette) */
    --primary-color: #3b82f6;   /* Default blue */
    --primary-dark: #2563eb;    /* Darker blue for hover/active */
    --primary-darker: #1d4ed8;  /* Even darker for strong accents */
    --primary-900: #1e3a8a;     /* Deepest primary shade */
    --primary-light: #60a5fa;   /* Lighter primary for subtle highlights */
    --primary-100-alpha: rgba(59, 130, 246, 0.15); /* Light transparent primary */

    /* Status & Secondary Colors */
    --success-color: #10b981;   /* Green */
    --success-dark: #059669;    /* Darker green */
    --success-bg-light: #064e3b; /* Light green background for badges */
    --success-text-light: #2dd4bf; /* Light green text */

    --warning-color: #f59e0b;   /* Amber */
    --warning-dark: #d97706;    /* Darker amber */
    --warning-bg-light: #451a03; /* Light amber background for badges */
    --warning-text-light: #fcd34d; /* Light amber text */

    --danger-color: #ef4444;    /* Red */
    --danger-dark: #dc2626;     /* Darker red */
    --danger-bg-light: #450a0a;  /* Light red background for badges */
    --danger-text-light: #fca5a5; /* Light red text */

    --info-color: #06b6d4;      /* Cyan */
    --info-dark: #0891b2;       /* Darker cyan */
    --info-bg-light: #0c4a6e;   /* Light cyan background for badges */
    --info-text-light: #67e8f9; /* Light cyan text */

    --purple-color: #8b5cf6;    /* Purple */
    --purple-dark: #7c3aed;     /* Darker purple */
    --purple-bg-light: #2e1065; /* Light purple background for badges */
    --purple-text-light: #c4b5fd; /* Light purple text */

    --orange-color: #f97316;    /* Orange */
    --orange-dark: #ea580c;     /* Darker orange */
    --orange-bg-light: #431407; /* Light orange background for badges */
    --orange-text-light: #fdba74; /* Light orange text */

    /* Grayscale Backgrounds & Borders (Dark Theme) */
    --bg-dark-deep: #0f172a;        /* Slate 900 - Deepest background */
    --bg-dark-main: #1e293b;        /* Slate 800 - Main background for cards/sections */
    --bg-dark-light: #334155;       /* Slate 700 - Lighter background for hover/active states */
    --bg-dark-extra-light: #475569; /* Slate 600 - For subtle backgrounds, borders */

    --border-base: #475569;         /* Slate 600 - Standard border color */
    --border-medium: #64748b;       /* Slate 500 - Medium border for inputs */
    --border-strong: #94a3b8;       /* Slate 400 - Stronger border for outlines */

    /* Grayscale Text Colors (Dark Theme) */
    --text-primary: #f8fafc;        /* Slate 50 - Most prominent text */
    --text-secondary: #e2e8f0;      /* Slate 200 - Secondary text */
    --text-muted: #cbd5e1;          /* Slate 300 - Muted text, less important */
    --text-subtle: #94a3b8;         /* Slate 400 - Subtle text, placeholders */

    /* Pure Black & White (for specific uses like icon colors where true black/white is needed) */
    --color-black: #000000;
    --color-white: #ffffff;

    /* Spacing Units (rem-based for scalability) */
    --spacing-0: 0;
    --spacing-px: 1px;
    --spacing-0-5: 0.125rem; /* 2px */
    --spacing-1: 0.25rem;    /* 4px */
    --spacing-2: 0.5rem;     /* 8px */
    --spacing-3: 0.75rem;    /* 12px */
    --spacing-4: 1rem;       /* 16px */
    --spacing-5: 1.25rem;    /* 20px */
    --spacing-6: 1.5rem;     /* 24px */
    --spacing-8: 2rem;       /* 32px */
    --spacing-10: 2.5rem;    /* 40px */
    --spacing-12: 3rem;      /* 48px */
    --spacing-16: 4rem;      /* 64px */
    --spacing-20: 5rem;      /* 80px */
    --spacing-24: 6rem;      /* 96px */
    --spacing-32: 8rem;      /* 128px */

    /* Typography Sizes */
    --font-size-xs: 0.75rem;    /* 12px */
    --font-size-sm: 0.875rem;   /* 14px */
    --font-size-base: 1rem;     /* 16px */
    --font-size-lg: 1.125rem;   /* 18px */
    --font-size-xl: 1.25rem;    /* 20px */
    --font-size-2xl: 1.5rem;    /* 24px */
    --font-size-3xl: 1.875rem;  /* 30px */
    --font-size-4xl: 2.25rem;   /* 36px */
    --font-size-5xl: 3rem;      /* 48px */
    --font-size-6xl: 3.75rem;   /* 60px */
    --font-size-7xl: 4.5rem;    /* 72px */

    /* Shadows */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-2xl: 0 35px 60px -15px rgba(0, 0, 0, 0.3);
    --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);

    /* Border Radius */
    --radius-none: 0;
    --radius-sm: 0.25rem;   /* 4px */
    --radius: 0.375rem;     /* 6px */
    --radius-md: 0.5rem;    /* 8px */
    --radius-lg: 0.75rem;   /* 12px */
    --radius-xl: 1rem;      /* 16px */
    --radius-2xl: 1.5rem;   /* 24px */
    --radius-3xl: 2rem;     /* 32px */
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);

    /* Font Families */
    --font-family-primary: 'Plus Jakarta Sans', 'Inter', system-ui, -apple-system, sans-serif;
    --font-family-mono: 'JetBrains Mono', monospace;
}

/* 1.1. Base Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* 1.2. Global HTML & Body Styles */
html {
    scroll-behavior: smooth;
    font-size: 14px; /* Base for rem units, reduced from 16px */
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    background: var(--bg-dark-deep);
    color: var(--text-secondary);
    font-family: var(--font-family-primary);
    line-height: 1.5;
    min-height: 100vh;
    overflow-x: hidden;
    overflow-y: scroll;
}

/* 1.3. Accessibility & Focus Outline */
body.keyboard-focus *:focus {
    outline: 3px solid var(--info-color);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

/* Base button, input, etc. focus style */
button:focus,
input:focus,
select:focus,
textarea:focus,
a:focus {
    outline: none;
}

/* 1.4. Global Selection Styling */
::selection {
    background-color: var(--primary-color);
    color: var(--color-white);
}

/* 1.5. Custom Scrollbar for Webkit Browsers */
::-webkit-scrollbar {
    width: var(--spacing-2);    /* For vertical scrollbars */
    height: var(--spacing-2);   /* For horizontal scrollbars */
}

::-webkit-scrollbar-track {
    background: var(--bg-dark-main);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: var(--radius-full);
    transition: background var(--transition-fast);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

/* 2. General Layout & Utility Classes */
.container {
    width: 100%;
    max-width: 1280px; /* Increased max-width for more content space */
    margin: 0 auto;
    padding: 0 var(--spacing-4);
}

.w-full { width: 100%; }
.text-right { text-align: right; }
.text-success { color: var(--success-text-light); }
.text-warning { color: var(--warning-text-light); }
.text-danger { color: var(--danger-text-light); }
.text-primary-color { color: var(--primary-color); } /* Added for direct primary color text */

/* Main heading style */
h1 {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--spacing-6);
  color: var(--text-primary);
  text-align: center;
  font-weight: 800;
  letter-spacing: -0.03em;
}

h2 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-4);
}

h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-3);
}

p {
    font-size: var(--font-size-base);
    color: var(--text-secondary);
}

/* Gradient text utility */
.gradient-text {
    background: linear-gradient(45deg, var(--primary-color), var(--info-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* 3. Core Application Layout */
#appContainer {
    display: flex;
    flex-direction: column;
    height: 100vh;
    background-color: var(--bg-dark-deep);
}

/* 3.1. App Header */
.app-header {
    background: rgba(30, 41, 59, 0.7);
    color: var(--text-primary);
    padding: var(--spacing-3) var(--spacing-5);
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: var(--shadow-md);
    border-bottom: 1px solid var(--border-base);
    backdrop-filter: blur(12px); /* Glassmorphism effect */
    min-height: 56px;
    flex-wrap: nowrap;
}

.app-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    flex-shrink: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.app-title .brand-icon {
    width: 40px;
    height: 40px;
    min-width: 40px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--color-white);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl);
    box-shadow: var(--shadow-sm);
    border: 2px solid var(--primary-darker);
    flex-shrink: 0;
}

.app-title > span {
    font-size: var(--font-size-xl);
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.02em;
    flex-shrink: 0;
    white-space: nowrap;
}

.tenant-name {
    background-color: var(--bg-dark-light);
    color: var(--text-primary);
    padding: var(--spacing-1) var(--spacing-3);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-sm);
    font-weight: 600;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-base);
    margin-left: var(--spacing-2);
    flex-shrink: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 150px;
}

.change-business-btn {
    margin-left: var(--spacing-1);
    background: var(--bg-dark-light);
    color: var(--text-subtle);
    padding: var(--spacing-1) var(--spacing-2);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    box-shadow: none;
    border: 1px solid transparent;
}
.change-business-btn:hover {
    background: var(--primary-dark);
    color: var(--color-white);
    transform: scale(1.05);
    border-color: var(--primary-color);
}

.app-header-actions {
    display: flex;
    gap: var(--spacing-2);
    align-items: center;
    flex-shrink: 0;
}

.app-header-actions .btn {
    background: var(--bg-dark-main);
    color: var(--text-primary);
    border: 2px solid var(--bg-dark-light);
    padding: var(--spacing-2) var(--spacing-3);
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: var(--font-size-sm);
    transition: all var(--transition);
    box-shadow: var(--shadow-sm);
    position: relative;
    z-index: 1;
    will-change: background, box-shadow, transform;
    flex-shrink: 0;
    white-space: nowrap;
}

.app-header-actions .btn:hover {
    background: var(--bg-dark-deep);
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.app-header-actions .btn:last-child {
    background: linear-gradient(90deg, var(--danger-color), var(--danger-dark));
    color: var(--color-white);
    border-color: var(--danger-dark);
}

.app-header-actions .btn:last-child:hover {
    background: linear-gradient(90deg, var(--danger-dark), var(--danger-color));
    border-color: var(--danger-dark);
    color: var(--color-white);
}

/* 3.2. Main Content Area */
.app-content {
    display: flex;
    flex: 1;
    min-height: 0; /* Important for flex child with overflow */
    padding-top: 56px; /* Offset for fixed header */
    overflow-y: hidden; /* Prevent body scroll, modules handle their own */
}

/* 3.3. App Sidebar */
.app-sidebar {
    width: 250px;
    background: var(--bg-dark-main);
    border-right: 1px solid var(--border-base);
    padding: var(--spacing-3);
    overflow-y: auto; /* Scrollable sidebar */
    flex-shrink: 0;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-slow);
    z-index: 900; /* Below header, above main content */
    will-change: transform;
    display: flex;
    flex-direction: column;
}

/* Sidebar Sections for collapsing behavior */
.sidebar-section {
    margin-bottom: var(--spacing-3);
}

.sidebar-section h3 {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-2) var(--spacing-3);
    margin-bottom: var(--spacing-1);
    cursor: pointer;
    background-color: transparent;
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-subtle);
    transition: background-color var(--transition), color var(--transition);
    gap: var(--spacing-2);
}

.sidebar-section h3:hover {
    background-color: var(--bg-dark-light);
    color: var(--text-secondary);
}

.sidebar-section.active > h3 {
    background-color: var(--bg-dark-light);
    color: var(--primary-light);
}
.sidebar-section.active > h3 .category-icon {
    color: var(--primary-light);
}

.sidebar-section h3 .category-icon {
    font-size: var(--font-size-base);
    width: 20px;
    text-align: center;
    color: var(--text-subtle);
    transition: color var(--transition);
}
.sidebar-section h3:hover .category-icon {
    color: var(--text-secondary);
}

.sidebar-section h3 .category-name {
    flex-grow: 1;
}

.sidebar-section h3 .toggle-icon {
    transform: rotate(0deg);
    transition: transform var(--transition);
}

.sidebar-section:not(.open) h3 .toggle-icon {
    transform: rotate(-90deg);
}

.sidebar-menu {
    list-style: none;
    padding-left: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out, opacity 0.3s ease-out, margin-top 0.3s ease-out;
}

.sidebar-section:not(.open) .sidebar-menu {
    max-height: 0;
    opacity: 0;
    margin-top: 0;
}

.sidebar-section.open .sidebar-menu {
    margin-top: var(--spacing-1);
}

.sidebar-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-2) var(--spacing-3);
    margin-bottom: var(--spacing-1);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    text-decoration: none;
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: background-color var(--transition), color var(--transition), transform 0.1s ease-out;
}

.sidebar-item:hover {
    background-color: var(--bg-dark-light);
    color: var(--text-primary);
    transform: translateX(4px);
}

.sidebar-item.active {
    background: var(--primary-color);
    color: var(--color-white);
    box-shadow: var(--shadow-sm);
}
.sidebar-item.active i {
    color: var(--color-white);
}

.sidebar-item.active:hover {
    transform: none;
    background: var(--primary-dark);
}

/* 3.4. Main Application View */
.app-main {
    flex: 1;
    overflow-y: auto; /* Main content area is scrollable */
    background-color: var(--bg-dark-deep);
    padding: var(--spacing-5);
}

/* 4. Module Specific Styles - General Components */

/* 4.1. Page Header for Modules */
.page-content {
    padding: var(--spacing-0); /* Use internal padding in page-header etc. */
}

.page-header {
    background: transparent;
    padding: 0;
    border-radius: 0;
    margin-bottom: var(--spacing-6);
    box-shadow: none;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: var(--spacing-3);
    border-bottom: 1px solid var(--border-base);
    padding-bottom: var(--spacing-4);
}

.page-header > div:first-child {
    flex-grow: 1;
}

.page-header h1 {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: var(--spacing-1);
    text-align: left; /* Override global h1 alignment */
}

.page-header p {
    font-size: var(--font-size-base);
    color: var(--text-subtle);
    max-width: 600px;
}

.page-actions {
    display: flex;
    gap: var(--spacing-2);
    align-items: center;
    flex-wrap: wrap;
}

.page-actions .btn {
    width: 100%;
}

/* 4.2. Module Overview (Stat Cards) */
.module-overview {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-6);
}

.stat-card {
    background: var(--bg-dark-main);
    border-radius: var(--radius-xl);
    padding: var(--spacing-4);
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-base);
    transition: transform 0.2s ease-out, box-shadow 0.2s ease-out, border-color 0.2s ease-out;
    min-height: 90px;
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
    border-color: var(--primary-color);
}

.stat-card .stat-icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl);
    color: var(--color-white);
    box-shadow: var(--shadow-sm);
}

.stat-card.primary .stat-icon { background: linear-gradient(45deg, var(--primary-color), var(--primary-dark)); }
.stat-card.success .stat-icon { background: linear-gradient(45deg, var(--success-color), var(--success-dark)); }
.stat-card.warning .stat-icon { background: linear-gradient(45deg, var(--warning-color), var(--warning-dark)); }
.stat-card.info .stat-icon { background: linear-gradient(45deg, var(--info-color), var(--info-dark)); }
.stat-card.purple .stat-icon { background: linear-gradient(45deg, var(--purple-color), var(--purple-dark)); }
.stat-card.orange .stat-icon { background: linear-gradient(45deg, var(--orange-color), var(--orange-dark)); }

.stat-card .stat-content h3 {
    font-size: var(--font-size-xl);
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.2;
    margin: 0 0 var(--spacing-0-5) 0;
}

.stat-card .stat-content p {
    font-size: var(--font-size-sm);
    color: var(--text-subtle);
    margin: 0;
}

.stat-card .stat-change {
    font-size: var(--font-size-xs);
    font-weight: 600;
    margin-top: var(--spacing-1);
    display: inline-block;
}

.stat-change.positive { color: var(--success-text-light); }
.stat-change.negative { color: var(--danger-text-light); }
.stat-change.neutral { color: var(--info-text-light); }

/* Dashboard-specific stat cards */
.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing-4);
}

/* 4.3. Data Tables */
.data-table-container {
    background: var(--bg-dark-main);
    border-radius: var(--radius-xl);
    padding: var(--spacing-5);
    margin-bottom: var(--spacing-6);
    box-shadow: var(--shadow);
    overflow-x: auto; /* Enable horizontal scrolling for narrow tables */
    -webkit-overflow-scrolling: touch;
    border: 1px solid var(--border-base);
}

.data-table-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: var(--spacing-4);
    margin-bottom: var(--spacing-4);
    border-bottom: 1px solid var(--border-base);
    flex-wrap: wrap;
    gap: var(--spacing-3);
}

.data-table-header .search-container {
    position: relative;
    flex-grow: 1;
    max-width: 400px;
}

.data-table-header .search-container i {
    position: absolute;
    left: var(--spacing-3);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-subtle);
}

.data-table-header .search-container input {
    width: 100%;
    padding: var(--spacing-2) var(--spacing-3) var(--spacing-2) var(--spacing-8);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-medium);
    background-color: var(--bg-dark-deep);
    color: var(--text-primary);
    font-size: var(--font-size-sm);
    transition: all var(--transition);
}

.data-table-header .search-container input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px var(--primary-100-alpha);
    outline: none;
}

.data-table-header .action-buttons {
    display: flex;
    gap: var(--spacing-2);
}

.data-table-header .action-buttons .btn-sm {
    padding: var(--spacing-1-5) var(--spacing-3);
    font-size: var(--font-size-xs);
}

/* Global search input for tables */
.global-search-container {
    margin-bottom: var(--spacing-3);
    padding: 0 var(--spacing-5); /* Align with table padding */
    display: flex;
    justify-content: flex-end;
    margin-top: var(--spacing-3);
}

.global-search-container .global-search-input {
    max-width: 250px;
}

.data-table-container.with-global-search {
    margin-top: 0;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    min-width: 600px; /* Minimum width for table content */
}

.data-table th, .data-table td {
    border-bottom: 1px solid var(--border-base);
    padding: var(--spacing-3);
    text-align: left;
    vertical-align: middle;
}

.data-table th.text-right,
.data-table td.text-right {
    text-align: right;
}

.data-table th {
    font-weight: 600;
    color: var(--text-subtle);
    background-color: var(--bg-dark-main);
    position: sticky;
    top: 0; /* Make headers sticky */
    z-index: 10;
    white-space: nowrap; /* Prevent wrapping in headers */
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom-width: 2px;
}

.data-table th .th-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-1);
}

.data-table th .th-controls {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.data-table th .sort-icon {
    cursor: pointer;
    color: var(--text-subtle);
    font-size: var(--font-size-xs);
    transition: color var(--transition-fast);
    line-height: 1;
}

.data-table th .sort-icon:hover {
    color: var(--primary-color);
}

.data-table th .sort-icon i {
    width: 12px;
    text-align: center;
}

.data-table th .column-filter-input {
    width: 70px;
    padding: 3px 5px;
    border: 1px solid var(--border-base);
    background-color: var(--bg-dark-deep);
    color: var(--text-primary);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    transition: border-color var(--transition), box-shadow var(--transition);
}

.data-table th .column-filter-input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px var(--primary-100-alpha);
}

.data-table tbody tr:last-child td {
    border-bottom: none;
}

.data-table tbody tr:hover {
    background-color: var(--bg-dark-light);
}

.data-table tbody td {
    transition: background-color var(--transition-fast);
}

/* Account Chart specific table styles */
.coa-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-6);
}

@media (min-width: 1024px) {
    .coa-layout {
        grid-template-columns: 1fr 1fr;
    }
}

.coa-column .data-table-container {
    padding: 0;
    border: none;
    box-shadow: none;
    background: transparent;
}

.coa-container {
    max-height: 70vh; /* Make tables scrollable vertically */
    overflow-y: auto;
    border: 1px solid var(--border-base) !important;
    border-radius: var(--radius-lg) !important;
    padding: var(--spacing-2) !important;
    background-color: var(--bg-dark-main) !important;
}

.coa-column-header {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-3);
    padding: var(--spacing-2) var(--spacing-3);
    background-color: var(--bg-dark-main);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    border-left: 3px solid var(--primary-color);
}

.coa-table th, .coa-table td {
    border: none;
    padding: var(--spacing-1) var(--spacing-2); /* Reduced padding */
}

.coa-table tbody tr:hover {
    background-color: var(--bg-dark-light);
}

.coa-table .group-header, .coa-table .sub-group-header, .coa-table .account-row {
    cursor: pointer;
}

.coa-table .group-header {
    background-color: var(--bg-dark-deep);
    font-weight: 700;
    color: var(--text-primary);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm); /* Reduced font size */
    letter-spacing: 0.05em;
}

.coa-table .group-header:hover {
    background-color: var(--bg-dark-main);
}

.coa-table .group-header .group-code {
    background-color: var(--primary-900);
    color: var(--primary-light);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    margin-right: var(--spacing-2);
    font-family: var(--font-family-mono);
}

.coa-table .group-header .group-name {
    text-transform: uppercase;
}

.coa-table .sub-group-header {
    background-color: transparent;
    font-weight: 500;
    color: var(--text-secondary);
    font-size: var(--font-size-xs); /* Reduced font size */
}

.coa-table .sub-group-header td {
    padding-left: 2rem !important;
    border-left: 2px solid var(--border-base);
    position: relative;
    font-weight: 600;
}

.coa-table .sub-group-header td::before {
    content: '';
    position: absolute;
    left: 1rem;
    top: -12px;
    width: 14px;
    height: 25px;
    border-left: 2px solid var(--border-base);
    border-bottom: 2px solid var(--border-base);
    border-bottom-left-radius: 6px;
}

.coa-table .sub-group-header:hover {
    background-color: var(--bg-dark-light);
}

.coa-table .account-row {
    font-size: var(--font-size-xs); /* Reduced font size */
    color: var(--text-muted);
}

.coa-table .account-row td:first-child {
    padding-left: 3.5rem !important;
    border-left: 2px solid var(--border-base);
    position: relative;
}

.coa-table .account-row td:first-child::before {
    content: '';
    position: absolute;
    left: 2.5rem;
    top: -12px;
    width: 14px;
    height: 25px;
    border-left: 2px solid var(--border-base);
    border-bottom: 2px solid var(--border-base);
    border-bottom-left-radius: 6px;
}

.coa-table .account-cell {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}

.coa-table .account-cell .account-code {
    font-family: var(--font-family-mono);
    color: var(--text-subtle);
    flex-shrink: 0;
}

.coa-table .account-cell .account-name {
    color: var(--text-secondary);
}

.coa-table .toggle-icon {
    transform: rotate(90deg);
    transition: transform var(--transition-fast);
    width: 16px;
    text-align: center;
}

.coa-toggle.open .toggle-icon {
    transform: rotate(90deg);
}

.data-table .toggle-sub-accounts {
    background: none;
    border: none;
    color: var(--primary-color);
    cursor: pointer;
    font-size: var(--font-size-xs);
    padding: 0;
    line-height: 1;
    transition: transform var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
}

.data-table .toggle-sub-accounts i {
    font-size: var(--font-size-sm);
    transition: transform 0.2s ease-in-out;
}

.data-table .toggle-sub-accounts.open i {
    transform: rotate(90deg);
}

.data-table .sub-account-row td:first-child {
    padding-left: var(--spacing-8) !important; /* Deeper indent */
    font-weight: 500;
    color: var(--text-subtle);
    position: relative;
}

.data-table .sub-account-row td:first-child::before {
    content: '↳';
    position: absolute;
    left: var(--spacing-5);
    color: var(--primary-color);
}

.data-table .sub-account-row {
    background-color: var(--bg-dark-deep);
    font-size: calc(var(--font-size-sm) * 0.95);
}

.data-table .table-group .group-header {
    background-color: var(--bg-dark-deep);
    font-weight: 700;
    font-size: var(--font-size-base);
    color: var(--primary-light);
    letter-spacing: 0.05em;
    border-top: 2px solid var(--primary-darker);
    border-bottom: 1px solid var(--border-base);
}

.data-table .table-group .group-header td {
    padding: var(--spacing-2) var(--spacing-3);
}

/* User Info in tables */
.user-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    background-color: var(--primary-color);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xs);
    font-weight: 600;
    flex-shrink: 0;
}

.user-name {
    font-weight: 600;
    color: var(--text-primary);
    font-size: var(--font-size-sm);
}

.user-email {
    font-size: var(--font-size-xs);
    color: var(--text-subtle);
}

/* 4.4. Status Badges */
.status-badge {
    display: inline-block;
    padding: var(--spacing-0-5) var(--spacing-2);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: capitalize;
    text-align: center;
    line-height: 1;
    white-space: nowrap;
    border: 1px solid;
}

.status-badge.active, .status-badge.completed, .status-badge.paid, .status-badge.approved, .status-badge.ready {
    background-color: var(--success-bg-light);
    color: var(--success-text-light);
    border-color: var(--success-dark);
}

.status-badge.pending, .status-badge.trial, .status-badge.in_progress, .status-badge.new {
    background-color: var(--warning-bg-light);
    color: var(--warning-text-light);
    border-color: var(--warning-dark);
}

.status-badge.inactive, .status-badge.overdue, .status-badge.cancelled, .status-badge.rejected, .status-badge.discontinued, .status-badge.expired, .status-badge.error {
    background-color: var(--danger-bg-light);
    color: var(--danger-text-light);
    border-color: var(--danger-dark);
}

.status-badge.info, .status-badge.draft, .status-badge.submitted, .status-badge.maintenance, .status-badge.discussion, .status-badge.read {
    background-color: var(--info-bg-light);
    color: var(--info-text-light);
    border-color: var(--info-dark);
}

/* Badge for user roles or plans (more general purpose) */
.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-0-5) var(--spacing-1-5); /* Slightly more padding */
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    line-height: 1;
    white-space: nowrap;
    letter-spacing: 0.05em;
}

.badge-primary { background-color: var(--primary-dark); color: var(--color-white); }
.badge-success { background-color: var(--success-dark); color: var(--color-white); }
.badge-warning { background-color: var(--warning-dark); color: var(--color-white); }
.badge-danger { background-color: var(--danger-dark); color: var(--color-white); }
.badge-info { background-color: var(--info-dark); color: var(--color-white); }
.badge-purple { background-color: var(--purple-dark); color: var(--color-white); }
.badge-orange { background-color: var(--orange-dark); color: var(--color-white); }

/* Change indicators in tables (Trend/Difference) */
.change {
    font-weight: 600;
}
.change.positive { color: var(--success-text-light); }
.change.negative { color: var(--danger-text-light); }
.change.neutral { color: var(--info-text-light); }

/* 4.5. Module Actions (Bulk Buttons) */
.module-actions {
    margin-top: var(--spacing-6);
    padding: var(--spacing-5);
    background: var(--bg-dark-main);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
    border: 1px solid var(--border-base);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-4);
}

.module-actions h4 {
    font-size: var(--font-size-lg);
    color: var(--text-primary);
    margin-bottom: var(--spacing-2);
}

.module-actions .action-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-3);
}

/* Content card for IFRS notes, etc. */
.content-card {
    background: var(--bg-dark-deep);
    border-radius: var(--radius-md);
    padding: var(--spacing-4);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-base);
    margin-top: var(--spacing-4);
}

.content-card p {
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-3);
    color: var(--text-secondary);
}

.content-card ul {
    list-style: disc;
    padding-left: var(--spacing-5);
    margin-bottom: var(--spacing-3);
}

.content-card li {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-1);
}

.content-card strong {
    color: var(--text-primary);
}

/* 5. Form Styles */
.form-container {
    background: var(--bg-dark-main);
    padding: var(--spacing-6);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-base);
    max-width: 960px; /* Slightly wider forms */
    margin-bottom: var(--spacing-6);
    margin: var(--spacing-6) auto;
}

.form-section {
    margin-bottom: var(--spacing-6);
    padding-bottom: var(--spacing-5);
    border-bottom: 1px dashed var(--border-base);
}

.form-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.form-section h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: var(--spacing-5);
    text-align: center;
    position: relative;
    padding-bottom: var(--spacing-2);
}

.form-section h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background: var(--primary-color);
    border-radius: var(--radius-full);
}

.form-section h4 {
    font-size: var(--font-size-lg); /* Slightly larger section H4 */
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-3);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); /* Slightly wider grid columns */
    gap: var(--spacing-5);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-1);
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    font-weight: 500;
    cursor: pointer;
}

.form-input, .form-textarea, .form-select {
    width: 100%;
    padding: var(--spacing-2) var(--spacing-3);
    border: 1px solid var(--border-medium); /* Use medium border for inputs */
    background-color: var(--bg-dark-deep);
    color: var(--text-primary);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    transition: border-color var(--transition), box-shadow var(--transition);
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-100-alpha);
    outline: none;
}

.form-textarea {
    resize: vertical;
    min-height: 80px; /* Slightly taller textareas */
}

.form-input[readonly], .form-textarea[readonly], .form-select[readonly] {
    background-color: var(--bg-dark-light); /* Use lighter dark background for readonly */
    color: var(--text-subtle);
    cursor: not-allowed;
    border-color: var(--border-base);
}

.password-input-wrapper {
    position: relative;
    width: 100%;
}

.password-input-wrapper .form-input {
    padding-right: var(--spacing-8);
}

.password-toggle {
    position: absolute;
    right: var(--spacing-2);
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    color: var(--text-subtle);
    font-size: var(--font-size-base);
    transition: color 0.2s ease-in-out;
}

.password-toggle:hover {
    color: var(--primary-color);
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--spacing-3);
    font-size: var(--font-size-sm);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-1);
    cursor: pointer;
    color: var(--text-secondary);
}

.checkbox-label input[type="checkbox"] {
    appearance: none;
    width: 16px;
    height: 16px;
    border: 1.5px solid var(--border-medium);
    border-radius: var(--radius-sm);
    display: grid;
    place-content: center;
    transition: all 0.2s ease-in-out;
}

.checkbox-label input[type="checkbox"]::before {
    content: "";
    width: 8px;
    height: 8px;
    transform: scale(0);
    transition: 0.2s transform ease-in-out;
    box-shadow: inset 1em 1em var(--primary-color);
    border-radius: 2px;
}

.checkbox-label input[type="checkbox"]:checked {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.checkbox-label input[type="checkbox"]:checked::before {
    transform: scale(1);
}

.checkbox-label input[type="checkbox"]:focus {
    outline: none;
    box-shadow: 0 0 0 3px var(--primary-100-alpha);
}

.forgot-password-link {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.2s ease-in-out;
}

.forgot-password-link:hover {
    color: var(--primary-light);
    text-decoration: underline;
}

.error-message {
    color: var(--danger-text-light);
    background-color: var(--danger-bg-light);
    border: 1px solid var(--danger-color);
    padding: var(--spacing-2) var(--spacing-3);
    border-radius: var(--radius-md);
    margin-top: var(--spacing-3);
    font-size: var(--font-size-sm);
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-3);
    margin-top: var(--spacing-6);
    flex-wrap: wrap;
}

/* 5.1. Invoice/Journal Items Table (nested forms) */
.invoice-items-container {
    padding: var(--spacing-3);
    border: 1px solid var(--border-base);
    border-radius: var(--radius-md);
    background-color: var(--bg-dark-deep);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.invoice-items-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-size-sm);
    min-width: 500px;
}

.invoice-items-table th, .invoice-items-table td {
    padding: var(--spacing-1) var(--spacing-2);
    text-align: left;
    border-bottom: 1px solid var(--border-base);
}

.invoice-items-table th {
    background-color: var(--bg-dark-light);
    color: var(--text-primary);
    font-weight: 600;
}

.invoice-item-row .form-input {
    padding: var(--spacing-1);
    font-size: var(--font-size-sm);
    height: auto;
}

.invoice-item-row td:last-child {
    text-align: center;
}

.row-total, .row-balance {
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
}

.invoice-actions {
    margin-top: var(--spacing-3);
    display: flex;
    justify-content: flex-end;
}

/* 5.2. Calculations Grid (Summary) */
.calculations-grid {
    display: flex;
    justify-content: flex-end;
    margin-top: var(--spacing-5);
}

.calculation-group {
    width: 100%;
    max-width: 300px; /* Wider calculation group */
    background-color: var(--bg-dark-deep);
    border: 1px solid var(--border-base);
    border-radius: var(--radius-md);
    padding: var(--spacing-3);
    box-shadow: var(--shadow-sm);
}

.calculation-row {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-1) 0;
    border-bottom: 1px dashed var(--border-base);
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.calculation-row:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.calculation-row span:first-child {
    font-weight: 500;
}

.calculation-row span:last-child {
    font-weight: 600;
    color: var(--text-primary);
}

.calculation-row.total {
    padding-top: var(--spacing-2);
    border-top: 1px solid var(--border-base);
    font-size: var(--font-size-base);
    font-weight: 700;
    color: var(--primary-color);
}

/* 5.3. Table Toolbar (for actions like search, filter, export above a table) */
.table-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-3) var(--spacing-4);
    margin-bottom: var(--spacing-5);
    background-color: var(--bg-dark-main);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-base);
    flex-wrap: wrap;
    gap: var(--spacing-4);
}

.table-toolbar .search-container {
    position: relative;
    flex-grow: 1;
    min-width: 200px;
    max-width: 350px;
}

.table-toolbar .search-container i {
    position: absolute;
    left: var(--spacing-3);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-subtle);
    pointer-events: none;
}

.table-toolbar .search-container .form-input {
    padding-left: var(--spacing-8);
    background-color: var(--bg-dark-deep);
}

.table-toolbar .toolbar-actions {
    display: flex;
    gap: var(--spacing-2);
    flex-wrap: wrap;
}

/* 6. Modals & Notifications */

/* 6.1. Modal Overlays */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.75); /* Darker overlay */
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease-in-out, visibility 0.3s ease-in-out;
    pointer-events: none;
}

.modal-overlay.show {
    opacity: 1;
    visibility: visible;
    pointer-events: all;
}

.modal-container {
    background: var(--bg-dark-main);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
    max-width: 700px; /* Wider modal containers */
    width: 90%;
    transform: translateY(-50px);
    opacity: 0;
    transition: transform 0.3s ease-out, opacity 0.3s ease-out;
    display: flex;
    flex-direction: column;
    border: 1px solid var(--primary-color); /* Highlight border */
}

.modal-overlay.show .modal-container {
    transform: translateY(0);
    opacity: 1;
}

.modal-content {
    padding: var(--spacing-6); /* More padding inside modal */
    max-height: 90vh;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: var(--spacing-3);
    border-bottom: 1px solid var(--border-base);
    margin-bottom: var(--spacing-4); /* Increased margin */
}

.modal-header h3 {
    font-size: var(--font-size-xl);
    color: var(--text-primary);
    margin: 0;
}

.modal-body {
    padding: var(--spacing-3) 0;
    color: var(--text-secondary);
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-3);
    padding-top: var(--spacing-4); /* Increased padding */
    border-top: 1px solid var(--border-base);
    margin-top: var(--spacing-4);
}

.btn-close {
    background: none;
    border: none;
    color: var(--text-subtle);
    font-size: var(--font-size-lg); /* Larger close icon */
    cursor: pointer;
    transition: color 0.2s ease-in-out;
}

.btn-close:hover {
    color: var(--danger-color);
}

/* Specific modals (confirm import, sub account details) */
.import-summary-details .data-table-container {
    max-height: 250px; /* Taller import summary table */
}

/* 6.2. Notifications */
#notification-container {
    position: fixed;
    top: var(--spacing-4); /* Slightly lower */
    right: var(--spacing-4); /* Slightly more to the right */
    z-index: 20000; /* Highest possible */
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3); /* More space between notifications */
    max-width: 400px; /* Wider notifications */
    width: 90%;
    pointer-events: none;
}

.notification {
    background-color: var(--bg-dark-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl); /* Stronger shadow */
    padding: var(--spacing-4); /* More padding */
    display: flex;
    gap: var(--spacing-3);
    align-items: center;
    position: relative;
    overflow: hidden;
    transform: translateX(100%);
    opacity: 0;
    animation: slideInRight 0.3s forwards ease-out;
    pointer-events: all;
    border: 1px solid;
    will-change: transform, opacity;
}

.notification.dismissing {
    animation: slideOutRight 0.3s forwards ease-in;
}

@keyframes slideInRight {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

@keyframes slideOutRight {
    from { transform: translateX(0); opacity: 1; }
    to { transform: translateX(100%); opacity: 0; }
}

.notification-icon {
    font-size: var(--font-size-lg); /* Larger icon */
    flex-shrink: 0;
}

.notification.success .notification-icon { color: var(--success-color); }
.notification.error .notification-icon { color: var(--danger-color); }
.notification.warning .notification-icon { color: var(--warning-color); }
.notification.info .notification-icon { color: var(--info-color); }

.notification.success { border-color: var(--success-dark); }
.notification.error { border-color: var(--danger-dark); }
.notification.warning { border-color: var(--warning-dark); }
.notification.info { border-color: var(--info-dark); }

.notification-body {
    flex-grow: 1;
}

.notification-title {
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-0-5); /* Adjusted spacing */
    font-size: var(--font-size-base); /* Slightly larger title */
}

.notification-message {
    color: var(--text-secondary);
    font-size: var(--font-size-sm); /* Slightly larger message */
    line-height: 1.4;
}

.notification-actions {
    margin-top: var(--spacing-2);
    display: flex;
    gap: var(--spacing-1);
    flex-wrap: wrap;
}

.notification-action {
    background: var(--bg-dark-deep);
    color: var(--primary-color);
    border: 1px solid var(--primary-dark);
    padding: var(--spacing-1) var(--spacing-2);
    border-radius: var(--radius-md);
    font-size: var(--font-size-xs);
    cursor: pointer;
    transition: all 0.2s ease-in-out;
    line-height: 1.2;
}

.notification-action:hover {
    background-color: var(--primary-color);
    color: var(--color-white);
}

.notification-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background-color: rgba(0, 0, 0, 0.2);
}

.notification-progress-bar {
    width: 100%;
    height: 100%;
    background-color: var(--primary-color);
    animation: progress-countdown var(--duration) linear forwards;
}

.notification.paused .notification-progress-bar {
    animation-play-state: paused;
}

@keyframes progress-countdown {
    from { width: 100%; }
    to { width: 0%; }
}

.notification-close {
    background: none;
    border: none;
    color: var(--text-subtle);
    font-size: var(--font-size-sm); /* Adjusted size */
    cursor: pointer;
    flex-shrink: 0;
    padding: var(--spacing-1);
    align-self: flex-start;
    transition: color 0.2s ease-in-out;
}

.notification-close:hover {
    color: var(--color-white);
}

/* 6.3. Loading Spinner */
.loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-4); /* Increased gap */
    color: var(--text-subtle);
    padding: var(--spacing-8); /* More padding */
    font-size: var(--font-size-base);
    min-height: 200px; /* Taller loading state */
}

/* 6.4. Firebase Status Icon in Header */
.firebase-status-icon {
    font-size: var(--font-size-base);
    color: var(--text-subtle);
    margin-right: var(--spacing-1);
    cursor: help;
}

.firebase-status-icon.connected {
    color: var(--success-color);
}

.firebase-status-icon.disconnected {
    color: var(--danger-color);
}

/* 7. Landing Page Sections */
/* General section padding and background */
.navbar, .hero, .features, .architecture, .pricing, .contact, .footer {
    padding: var(--spacing-16) 0; /* Consistent vertical padding */
}

.features { background: var(--bg-dark-deep); }
.architecture { background: var(--bg-dark-main); }
.pricing { background: var(--bg-dark-deep); }
.contact { background: var(--bg-dark-main); }

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-12);
}

.section-title {
    font-size: var(--font-size-4xl); /* Larger section titles */
    font-weight: 800; /* Bolder titles */
    margin-bottom: var(--spacing-3);
    color: var(--text-primary);
    letter-spacing: -0.04em; /* Tighter letter-spacing */
}

.section-subtitle {
    font-size: var(--font-size-lg); /* Larger subtitle */
    color: var(--text-secondary);
    max-width: 700px; /* Wider subtitle */
    margin: 0 auto;
    line-height: 1.6;
}

/* 7.1. Navigation Bar (Landing Page) */
.navbar {
    background: linear-gradient(135deg, rgba(0,0,0,0.8), rgba(30,41,59,0.8));
    color: var(--text-primary);
    padding: var(--spacing-4) 0;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 999;
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(8px);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}

.nav-brand .brand-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--color-white);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-base);
    box-shadow: var(--shadow-sm);
}

.nav-brand .brand-text {
    font-size: var(--font-size-xl);
    font-weight: 800;
    color: var(--text-primary);
}

.nav-brand .brand-badge {
    background-color: var(--info-dark);
    color: var(--color-white);
    padding: var(--spacing-0-5) var(--spacing-2);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
    margin-left: var(--spacing-1);
}

.nav-menu {
    list-style: none;
    display: flex;
    gap: var(--spacing-5);
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: var(--font-size-sm);
    padding: var(--spacing-1) 0;
    position: relative;
    transition: color var(--transition);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: width var(--transition);
}

.nav-link:hover {
    color: var(--primary-color);
}

.nav-link:hover::after {
    width: 100%;
}

.hamburger {
    display: none; /* Hidden by default on desktop */
    cursor: pointer;
    flex-direction: column;
    gap: 6px;
}

.hamburger span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--color-white);
    transition: transform 0.3s ease-in-out, opacity 0.3s ease-in-out, background-color 0.3s ease-in-out;
}

/* 7.2. Hero Section */
.hero {
    position: relative;
    padding: var(--spacing-24) 0;
    text-align: center;
    overflow: hidden;
    color: var(--text-primary);
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('https://images.unsplash.com/photo-1550592704-c536934914c8?q=80&w=2940&auto=format&fit=crop&ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D') no-repeat center center/cover;
    filter: brightness(0.3) blur(2px);
    z-index: -1;
    transform: scale(1.05); /* Slightly zoom in for blur effect */
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    background-color: rgba(var(--primary-color), 0.1); /* Use RGB for transparency */
    color: var(--primary-color);
    border: 1px solid var(--primary-dark);
    padding: var(--spacing-1) var(--spacing-3);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: var(--spacing-5);
    backdrop-filter: blur(5px);
}

.hero-title {
    font-size: var(--font-size-6xl); /* Very large title */
    font-weight: 900;
    margin-bottom: var(--spacing-5);
    line-height: 1.1;
    letter-spacing: -0.05em;
}

.hero-subtitle {
    font-size: var(--font-size-xl); /* Larger subtitle */
    color: var(--text-muted);
    max-width: 700px;
    margin: 0 auto var(--spacing-8);
    line-height: 1.5;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-10);
    flex-wrap: wrap;
}

.hero-tech-stack {
    display: flex;
    justify-content: center;
    gap: var(--spacing-6);
    flex-wrap: wrap;
    padding-top: var(--spacing-6);
    border-top: 1px dashed rgba(var(--border-medium), 0.5);
}

.tech-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-2);
    color: var(--text-secondary);
}

.tech-item i {
    font-size: var(--font-size-3xl);
    color: var(--primary-color);
}

.tech-item span {
    font-size: var(--font-size-sm);
    font-weight: 500;
}

/* 7.3. Features Section */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); /* Larger min-width for cards */
    gap: var(--spacing-8); /* Increased gap */
}

.feature-card {
    background: var(--bg-dark-main);
    padding: var(--spacing-6); /* More padding */
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow);
    border: 1px solid var(--bg-dark-light);
    transition: var(--transition-slow);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    opacity: 0;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-card.primary::before { background: linear-gradient(90deg, var(--primary-color), var(--primary-dark)); }
.feature-card.success::before { background: linear-gradient(90deg, var(--success-color), var(--success-dark)); }
.feature-card.warning::before { background: linear-gradient(90deg, var(--warning-color), var(--warning-dark)); }
.feature-card.info::before { background: linear-gradient(90deg, var(--info-color), var(--info-dark)); }
.feature-card.purple::before { background: linear-gradient(90deg, var(--purple-color), var(--purple-dark)); }
.feature-card.orange::before { background: linear-gradient(90deg, var(--orange-color), var(--orange-dark)); }

.feature-icon {
    width: 64px; /* Larger icon container */
    height: 64px;
    border-radius: var(--radius-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-2xl); /* Larger icon size */
    margin-bottom: var(--spacing-5);
    position: relative;
    box-shadow: var(--shadow-sm);
}

.feature-card.primary .feature-icon { background: linear-gradient(135deg, var(--primary-color), var(--primary-dark)); color: var(--color-white); }
.feature-card.success .feature-icon { background: linear-gradient(135deg, var(--success-color), var(--success-dark)); color: var(--color-white); }
.feature-card.warning .feature-icon { background: linear-gradient(135deg, var(--warning-color), var(--warning-dark)); color: var(--color-white); }
.feature-card.info .feature-icon { background: linear-gradient(135deg, var(--info-color), var(--info-dark)); color: var(--color-white); }
.feature-card.purple .feature-icon { background: linear-gradient(135deg, var(--purple-color), var(--purple-dark)); color: var(--color-white); }
.feature-card.orange .feature-icon { background: linear-gradient(135deg, var(--orange-color), var(--orange-dark)); color: var(--color-white); }

.feature-card h3 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-2);
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-3);
    line-height: 1.6;
    font-size: var(--font-size-sm);
}

.feature-list {
    list-style: none;
    padding-top: var(--spacing-3);
    border-top: 1px dashed var(--border-base);
    margin-top: var(--spacing-4);
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-1);
}

.feature-list li i {
    color: var(--success-color);
    font-size: var(--font-size-xs);
}

/* 7.4. Architecture Section */
.architecture-diagram {
    display: flex; /* Changed to flex for linear layout */
    flex-direction: column;
    gap: var(--spacing-6); /* Increased gap */
    max-width: 800px; /* Wider diagram */
    margin: 0 auto;
    padding: var(--spacing-5); /* Inner padding */
    background: var(--bg-dark-deep);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border-base);
}

.arch-layer {
    background: var(--bg-dark-main);
    padding: var(--spacing-5);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
    border: 1px solid var(--bg-dark-light);
    text-align: center;
    transition: var(--transition);
}

.arch-layer:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.arch-layer h3 {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--spacing-3);
    color: var(--text-primary);
}

.tech-stack {
    display: flex;
    justify-content: flex-start; /* Changed to flex-start for proper alignment */
    gap: var(--spacing-3); /* Increased gap */
    flex-wrap: wrap;
}

.tech-badge {
    background: var(--primary-color);
    color: var(--color-white);
    padding: var(--spacing-1) var(--spacing-3); /* More padding */
    border-radius: var(--radius-lg);
    font-size: var(--font-size-sm); /* Slightly larger font */
    border: 1px solid var(--primary-dark);
    box-shadow: var(--shadow-sm);
    white-space: nowrap;
}

.arch-layer.frontend .tech-badge { background: var(--info-bg-light); color: var(--info-text-light); border-color: var(--info-color); }
.arch-layer.backend .tech-badge { background: var(--success-bg-light); color: var(--success-text-light); border-color: var(--success-color); }
.arch-layer.database .tech-badge { background: var(--warning-bg-light); color: var(--warning-text-light); border-color: var(--warning-color); }
.arch-layer.integrations .tech-badge { background: var(--purple-bg-light); color: var(--purple-text-light); border-color: var(--purple-color); }

/* 7.5. Pricing Section */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); /* Larger min-width for cards */
    gap: var(--spacing-8); /* Increased gap */
    max-width: 1000px; /* Wider grid */
    margin: 0 auto;
}

.pricing-card {
    background: var(--bg-dark-main);
    border: 2px solid var(--bg-dark-light);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-8); /* More padding */
    text-align: center;
    position: relative;
    transition: var(--transition-slow);
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.pricing-card.featured {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-xl); /* Stronger shadow for featured */
    transform: scale(1.05);
    background: var(--bg-dark-deep);
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-8px);
}

.pricing-badge {
    position: absolute;
    top: -16px; /* Moved up */
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(90deg, var(--primary-color), var(--primary-dark));
    color: var(--color-white);
    padding: var(--spacing-1) var(--spacing-4); /* More padding */
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm); /* Slightly larger font */
    font-weight: 700;
    box-shadow: var(--shadow-md); /* Stronger shadow */
    white-space: nowrap;
}

.pricing-header {
    margin-bottom: var(--spacing-6); /* Increased margin */
}

.pricing-header h3 {
    font-size: var(--font-size-2xl); /* Larger pricing header */
    font-weight: 700;
    margin-bottom: var(--spacing-3);
    color: var(--text-primary);
}

.price {
    font-size: var(--font-size-5xl); /* Even larger price font */
    font-weight: 800;
    color: var(--primary-color);
    line-height: 1;
}

.price span {
    font-size: var(--font-size-lg); /* Larger per-month text */
    font-weight: 500;
    color: var(--text-muted);
}

.pricing-features {
    list-style: none;
    margin-bottom: var(--spacing-8); /* Increased margin */
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-3); /* More space */
    margin-bottom: var(--spacing-2);
    color: var(--text-secondary);
    font-size: var(--font-size-base); /* Standard text size */
}

.pricing-features i {
    color: var(--success-color);
    font-size: var(--font-size-sm);
}

/* 7.6. Contact Section */
.contact-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); /* Larger min-width for contact grid */
    gap: var(--spacing-10); /* Increased gap */
    align-items: start;
}

.contact-info h2 {
    font-size: var(--font-size-3xl); /* Larger contact title */
    font-weight: 800;
    margin-bottom: var(--spacing-4);
    color: var(--text-primary);
    text-align: left; /* Align left for better readability */
}

.contact-info p {
    font-size: var(--font-size-lg); /* Larger contact description */
    color: var(--text-secondary);
    margin-bottom: var(--spacing-6);
    line-height: 1.6;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-4); /* Increased gap */
    margin-bottom: var(--spacing-5);
}

.contact-icon {
    width: 56px; /* Larger icon */
    height: 56px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--color-white);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl); /* Larger icon font */
    box-shadow: var(--shadow-md);
    flex-shrink: 0;
}

.contact-item h4 {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--spacing-1);
    color: var(--text-primary);
}

.contact-item p {
    color: var(--text-secondary);
    margin: 0;
    font-size: var(--font-size-base);
}

.contact-form {
    background: var(--bg-dark-deep);
    padding: var(--spacing-8); /* More padding */
    border-radius: var(--radius-3xl); /* More rounded corners */
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--bg-dark-light);
}

/* 7.7. Footer */
.footer {
    background: var(--color-black);
    color: var(--text-primary);
    padding: var(--spacing-8) 0; /* More padding */
    border-top: 2px solid var(--primary-color);
}

.footer-content {
    text-align: center;
}

.footer-brand {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-3); /* Increased gap */
    font-size: var(--font-size-xl); /* Larger brand text */
    font-weight: 700;
    margin-bottom: var(--spacing-4); /* Increased margin */
}

.footer .brand-icon {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    width: 44px; /* Larger icon */
    height: 44px;
    font-size: var(--font-size-lg);
    border-radius: var(--radius-xl);
}

.footer .brand-text {
    color: var(--text-primary);
    background: none;
    -webkit-text-fill-color: initial;
}

/* 8. Button Components */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2); /* More space between icon and text */
    padding: var(--spacing-2-5) var(--spacing-5); /* More padding for standard buttons */
    font-size: var(--font-size-sm);
    font-weight: 600;
    border-radius: var(--radius-lg);
    border: none;
    cursor: pointer;
    transition:
        background 0.18s cubic-bezier(0.4, 0, 0.2, 1),
        box-shadow 0.20s cubic-bezier(0.4, 0, 0.2, 1),
        color 0.15s cubic-bezier(0.4, 0, 0.2, 1),
        transform 0.16s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    white-space: nowrap;
    line-height: 1;
    box-shadow: var(--shadow-sm);
    position: relative;
    z-index: 1;
    overflow: hidden;
}

.btn:disabled {
    opacity: 0.55;
    cursor: not-allowed;
    filter: grayscale(0.25) brightness(0.95);
}

/* Modern animated ripple effect on button click */
.btn::after {
    content: "";
    position: absolute;
    left: 50%;
    top: 50%;
    pointer-events: none;
    border-radius: 50%;
    transform: scale(0);
    background: rgba(59, 130, 246, 0.12); /* Primary blue with transparency */
    opacity: 0;
    transition: all 0.32s cubic-bezier(0.4, 0, 0.2, 1);
}
.btn:active::after {
    transform: scale(2.75);
    opacity: 1;
    left: 50%;
    top: 50%;
}

.btn-primary {
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--color-white);
    box-shadow: var(--shadow);
    border: 2.5px solid var(--primary-darker);
    letter-spacing: 0.01em;
    font-size: var(--font-size-base); /* Larger font for primary */
    transition:
        background 0.22s cubic-bezier(0.4, 0, 0.2, 1),
        box-shadow 0.2s cubic-bezier(0.4, 0, 0.2, 1),
        color 0.14s,
        transform 0.16s;
}
.btn-primary:hover:not(:disabled), .btn-primary:focus:not(:disabled) {
    background: linear-gradient(90deg, var(--primary-dark) 0%, var(--primary-darker) 100%);
    color: var(--color-white);
    transform: translateY(-2.5px) scale(1.02); /* Slightly larger scale */
    box-shadow: var(--shadow-md);
    outline: none;
}

.btn-primary:active:not(:disabled) {
    background: linear-gradient(90deg, var(--primary-darker) 0%, var(--primary-dark) 100%);
    box-shadow: var(--shadow);
    transform: scale(0.97);
}

.btn-secondary {
    background: var(--bg-dark-main);
    color: var(--text-primary);
    border: 2.5px solid var(--bg-dark-light);
    box-shadow: var(--shadow-sm);
    transition:
        background 0.22s,
        border-color 0.22s,
        color 0.12s,
        box-shadow 0.16s,
        transform 0.16s;
    font-size: var(--font-size-base); /* Larger font for secondary */
}
.btn-secondary:hover:not(:disabled), .btn-secondary:focus:not(:disabled) {
    background: var(--bg-dark-deep);
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-1.5px) scale(0.98); /* Adjusted scale */
    box-shadow: var(--shadow);
    outline: none;
}
.btn-secondary:active:not(:disabled) {
    background: var(--bg-dark-light);
    border-color: var(--primary-dark);
    color: var(--primary-dark);
    box-shadow: var(--shadow-sm);
    transform: scale(0.97);
}

/* Added for larger buttons used in hero section */
.btn-lg {
    padding: var(--spacing-3) var(--spacing-6); /* Even more padding */
    font-size: var(--font-size-lg); /* Larger font */
}

.action-buttons {
    display: flex;
    gap: var(--spacing-1);
    align-items: center;
}

.btn-ghost {
    background: none;
    border: none;
    color: var(--text-subtle);
    padding: var(--spacing-1);
    font-size: var(--font-size-base);
    transition: color 0.2s ease-in-out, background-color 0.2s ease-in-out;
    border-radius: var(--radius-sm);
}

.btn-ghost:hover {
    color: var(--primary-color);
    background-color: var(--bg-dark-light);
}

.btn-ghost.btn-sm {
    font-size: var(--font-size-sm);
    padding: var(--spacing-0-5);
}

.btn-ghost.btn-sm:hover {
    background-color: var(--bg-dark-light);
}

/* 9. Mobile Specific UI Components */

/* Mobile menu toggle button (Hamburger icon) */
.mobile-menu-toggle {
    display: none; /* Hidden by default on desktop */
    width: 30px;
    height: 24px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    position: relative;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    z-index: 1001; /* Above mobile sidebar overlay */
    pointer-events: none;
}

.mobile-menu-toggle span {
    display: block;
    width: 100%;
    height: 3px;
    background-color: var(--text-primary);
    transition: transform 0.3s ease-in-out, opacity 0.3s ease-in-out, background-color 0.3s ease-in-out;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: translateY(10.5px) rotate(45deg);
    background-color: var(--primary-color);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: translateY(-10.5px) rotate(-45deg);
    background-color: var(--primary-color);
}

/* Mobile Menu Overlay for landing page */
.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: 900;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease-out, visibility 0.3s ease-in-out;
    pointer-events: none;
}

.mobile-menu-overlay.active {
    opacity: 1;
    visibility: visible;
    pointer-events: all;
}

.mobile-menu-overlay.no-print {
    /* Ensures this specific overlay is also hidden when printing */
}

/* Mobile App Sidebar overlay */
#appMobileMenuOverlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    z-index: 950; /* Below app-sidebar */
    display: none; /* Hidden by default */
    opacity: 0;
    transition: opacity 0.3s ease-in-out;
}

#appMobileMenuOverlay.active {
    display: block;
    opacity: 1;
}

.app-sidebar.mobile-open {
    transform: translateX(0%);
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    height: 100%;
    z-index: 960; /* Above overlay, below header */
    box-shadow: var(--shadow-xl);
    transition: transform 0.3s ease-out;
    padding-top: 50px; /* Match header height to prevent overlap */
}

/* 10. Business Selection and Tenant Management Styles */
.business-selection-container {
    padding: var(--spacing-8); /* Increased padding */
    max-width: 1000px; /* Wider container */
    margin: var(--spacing-6) auto;
    background: var(--bg-dark-main);
    border-radius: var(--radius-3xl); /* More rounded */
    box-shadow: var(--shadow-xl);
    border: 2px solid var(--primary-color);
    text-align: center;
}

.business-selection-header {
    margin-bottom: var(--spacing-8);
}

.business-selection-header .brand-icon {
    width: 80px; /* Larger brand icon */
    height: 80px;
    margin: 0 auto var(--spacing-4);
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--color-white);
    border-radius: var(--radius-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-base);
    box-shadow: var(--shadow-md);
}

.business-selection-header h1 {
    font-size: var(--font-size-3xl); /* Consistent with global h1 */
    margin-bottom: var(--spacing-3);
    color: var(--text-primary);
}

.business-selection-header p {
    font-size: var(--font-size-base);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.business-selection-tabs {
    display: flex;
    justify-content: center;
    margin-bottom: var(--spacing-6); /* More space below tabs */
    gap: var(--spacing-4); /* Increased gap between tabs */
    border-bottom: 1px solid var(--border-base);
    padding-bottom: var(--spacing-2);
}

.modern-tab-button {
    background: none;
    border: none;
    padding: var(--spacing-2) var(--spacing-5);
    font-size: var(--font-size-lg); /* Larger tab text */
    font-weight: 600;
    color: var(--text-subtle);
    cursor: pointer;
    transition: all 0.2s ease-in-out;
    border-radius: var(--radius-lg);
    position: relative;
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}

.modern-tab-button:hover {
    color: var(--primary-color);
    background-color: var(--bg-dark-light);
}

.modern-tab-button.active {
    color: var(--primary-color);
    background-color: var(--bg-dark-light);
    box-shadow: var(--shadow-sm);
}

.modern-tab-button.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--primary-color);
    border-radius: var(--radius-full);
}

.tab-content {
    display: none;
    text-align: left;
    padding: var(--spacing-4) 0; /* More padding */
}

.tab-content.active {
    display: block;
}

.businesses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); /* Larger min-width for business cards */
    gap: var(--spacing-5); /* Increased gap */
    margin-top: var(--spacing-5);
}

.business-card {
    background-color: var(--bg-dark-main);
    border-radius: var(--radius-xl);
    padding: var(--spacing-5) var(--spacing-6); /* More padding */
    box-shadow: var(--shadow);
    transition: all var(--transition-slow);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    text-align: left;
    min-height: 200px; /* Taller cards */
    border: 1px solid var(--border-base);
}

.business-card:hover {
    transform: translateY(-6px); /* More pronounced lift */
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.business-card.active {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px var(--primary-100-alpha), var(--shadow-md); /* Stronger active state */
    background: var(--bg-dark-deep);
}

.business-info h3 {
    font-size: var(--font-size-xl); /* Larger business name */
    color: var(--text-primary);
    margin-bottom: var(--spacing-1);
    font-weight: 700;
}

.business-meta {
    display: flex;
    gap: var(--spacing-2); /* More space */
    margin-bottom: var(--spacing-2);
    align-items: center;
}

.business-info p {
    font-size: var(--font-size-sm);
    color: var(--text-subtle);
    margin-bottom: var(--spacing-2);
    line-height: 1.5;
}

.business-billing-status {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-1);
    font-size: var(--font-size-sm); /* Slightly larger */
    color: var(--text-subtle);
    margin-top: var(--spacing-3);
    padding-top: var(--spacing-3);
    border-top: 1px dashed var(--border-base);
}

.business-billing-status small {
    display: flex;
    align-items: center;
    gap: var(--spacing-1);
}

.business-billing-status .text-danger {
    color: var(--danger-text-light);
    font-weight: 700;
    background-color: var(--danger-bg-light);
    padding: var(--spacing-px) var(--spacing-1);
    border-radius: var(--radius-sm);
    border: 1px solid var(--danger-dark);
}
.business-billing-status .text-warning {
    color: var(--warning-text-light);
    font-weight: 700;
    background-color: var(--warning-bg-light);
    padding: var(--spacing-px) var(--spacing-1);
    border-radius: var(--radius-sm);
    border: 1px solid var(--warning-dark);
}

.module-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-3);
}

.stat-card .stat-change {
    font-size: var(--font-size-xs);
    font-weight: 600;
    margin-top: var(--spacing-0-5); /* Adjusted spacing */
    display: inline-block;
}

.stat-change.positive { color: var(--success-text-light); }
.stat-change.negative { color: var(--danger-text-light); }
.stat-change.neutral { color: var(--info-text-light); }

.suspended-account-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 80vh;
    padding: var(--spacing-8);
    text-align: center;
    background: var(--bg-dark-main);
    border-radius: var(--radius-3xl);
    margin: var(--spacing-6) auto;
    max-width: 700px;
    box-shadow: var(--shadow-2xl);
    border: 2px solid var(--danger-color);
}

.suspended-account-container .icon-large {
    font-size: var(--font-size-6xl); /* Larger icon */
    color: var(--danger-color);
    margin-bottom: var(--spacing-6);
}

.suspended-account-container h1 {
    font-size: var(--font-size-4xl);
    color: var(--text-primary);
    margin-bottom: var(--spacing-4);
}

.suspended-account-container p {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-6);
    max-width: 600px;
    line-height: 1.6;
}

.suspended-account-container .btn-group {
    display: flex;
    gap: var(--spacing-4);
    flex-wrap: wrap;
    justify-content: center;
}

.suspended-account-container .btn-group .btn {
    width: auto; /* Allow buttons to size naturally */
    min-width: 180px; /* Min width for buttons */
}

/* 11. Admin Panel Styles */
.admin-content {
    display: flex;
    gap: var(--spacing-6); /* Increased gap */
    padding: var(--spacing-4); /* Internal padding */
    background: var(--bg-dark-main);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    min-height: 600px; /* Taller admin panel */
    border: 1px solid var(--border-base);
    overflow-y: auto;
}

.admin-navigation {
    flex-shrink: 0;
    width: 250px; /* Wider navigation */
    background: var(--bg-dark-deep);
    border-radius: var(--radius-lg);
    padding: var(--spacing-4); /* More padding */
    box-shadow: var(--shadow-inner);
    border: 1px solid var(--border-base);
}

.modern-admin-nav-button {
    display: flex;
    align-items: center;
    gap: var(--spacing-3); /* Increased gap */
    width: 100%;
    padding: var(--spacing-2-5) var(--spacing-3); /* More vertical padding */
    margin-bottom: var(--spacing-1);
    border-radius: var(--radius-md);
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: var(--font-size-base); /* Standard font size */
    font-weight: 500;
    cursor: pointer;
    transition: background-color var(--transition), color var(--transition), transform 0.1s ease-out;
}

.modern-admin-nav-button:hover {
    background-color: var(--bg-dark-light);
    color: var(--primary-color);
    transform: translateX(0.25rem);
}

.modern-admin-nav-button.active {
    background: linear-gradient(90deg, var(--primary-dark) 0%, var(--primary-color) 100%);
    color: var(--color-white);
    font-weight: 600;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--primary-dark);
}

.modern-admin-nav-button.active .tab-btn-icon {
    color: var(--color-white);
}

.modern-admin-nav-button .tab-btn-icon {
    font-size: var(--font-size-lg); /* Larger icon */
    color: var(--text-subtle);
    transition: color var(--transition);
}

.admin-sections {
    flex-grow: 1;
    background: var(--bg-dark-deep);
    border-radius: var(--radius-lg);
    padding: var(--spacing-6); /* More padding */
    box-shadow: var(--shadow-inner);
    overflow-y: auto;
    border: 1px solid var(--border-base);
}

.admin-section {
    display: none;
}

.admin-section.active {
    display: block;
}

.admin-section h3 {
    font-size: var(--font-size-2xl); /* Larger section titles */
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-5);
    border-bottom: 2px solid var(--border-base);
    padding-bottom: var(--spacing-2);
}

.admin-section p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-5);
}

/* Admin specific info/settings cards */
.settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); /* Larger min-width for settings cards */
    gap: var(--spacing-6);
}

.setting-group {
    background: var(--bg-dark-main);
    border-radius: var(--radius-lg);
    padding: var(--spacing-5); /* More padding */
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-base);
}

.setting-group h4 {
    font-size: var(--font-size-lg); /* Larger setting group titles */
    color: var(--primary-color);
    margin-bottom: var(--spacing-3);
    padding-bottom: var(--spacing-1);
    border-bottom: 1px dashed var(--border-base);
}

.info-card {
    background: var(--bg-dark-deep);
    border-radius: var(--radius-md);
    padding: var(--spacing-4); /* More padding */
    border: 1px solid var(--border-base);
}

.info-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-3); /* Increased gap */
}

.info-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: var(--spacing-1-5); /* More padding */
    border-bottom: 1px dotted var(--border-base);
}

.info-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.info-label {
    font-size: var(--font-size-sm); /* Slightly larger */
    color: var(--text-subtle);
}

.info-value {
    font-size: var(--font-size-base); /* Standard size */
    color: var(--text-primary);
    font-weight: 500;
}

.info-value.success { color: var(--success-color); }
.info-value.warning { color: var(--warning-color); }
.info-value.danger { color: var(--danger-color); }

.whatsapp-status {
    display: flex;
    justify-content: center;
    margin-bottom: var(--spacing-4); /* More margin */
}

.whatsapp-status .status-indicator {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-1-5) var(--spacing-4); /* More padding */
    border-radius: var(--radius-full);
    font-size: var(--font-size-base); /* Standard font size */
    font-weight: 600;
    color: var(--color-white);
    box-shadow: var(--shadow-sm);
}

.whatsapp-status .status-indicator i {
    font-size: var(--font-size-lg);
}

.whatsapp-status .status-indicator.success { background-color: var(--success-color); }
.whatsapp-status .status-indicator.warning { background-color: var(--warning-color); }
.whatsapp-status .status-indicator.danger { background-color: var(--danger-color); }

.settings-form .form-group {
    margin-bottom: var(--spacing-4); /* More margin */
}

.settings-form .form-label {
    margin-bottom: var(--spacing-1-5); /* More margin */
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-1);
    cursor: pointer;
    color: var(--text-secondary);
}

.command-item {
    background: var(--bg-dark-light);
    border-radius: var(--radius-md);
    padding: var(--spacing-2) var(--spacing-3);
    margin-bottom: var(--spacing-1);
    font-size: var(--font-size-sm); /* Standard font size */
    color: var(--text-secondary);
    border: 1px solid var(--border-base);
}

.command-item strong {
    color: var(--primary-color);
}

/* 12. Telegram Module specific styles */
.telegram-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); /* Slightly wider cards */
    gap: var(--spacing-6); /* Increased gap */
}

.telegram-card {
    background: var(--bg-dark-main);
    border-radius: var(--radius-xl);
    padding: var(--spacing-6); /* More padding */
    box-shadow: var(--shadow);
    border: 1px solid var(--border-base);
    display: flex;
    flex-direction: column;
}

.telegram-card .card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: var(--spacing-3);
    border-bottom: 1px dashed var(--border-base);
    margin-bottom: var(--spacing-4);
}

.telegram-card .card-header h3 {
    font-size: var(--font-size-lg); /* Slightly larger header */
    color: var(--text-primary);
    margin: 0;
}

.telegram-card .bot-status {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    font-size: var(--font-size-base); /* Standard font size */
    font-weight: 600;
}

.telegram-card .bot-status i {
    font-size: var(--font-size-sm);
}

.telegram-card .bot-status.online { color: var(--success-color); }
.telegram-card .bot-status.offline { color: var(--danger-color); }

.telegram-stats {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-4); /* Increased gap */
}

.telegram-stat {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    background-color: var(--bg-dark-deep);
    padding: var(--spacing-3) var(--spacing-4); /* More padding */
    border-radius: var(--radius-md);
    border: 1px solid var(--border-base);
    box-shadow: var(--shadow-xs);
}

.telegram-stat .stat-icon {
    font-size: var(--font-size-lg); /* Larger icon */
    color: var(--primary-color);
}

.telegram-stat .stat-info h4 {
    font-size: var(--font-size-base); /* Standard font size */
    color: var(--text-primary);
    margin: 0;
}

.telegram-stat .stat-info p {
    font-size: var(--font-size-sm); /* Standard font size */
    color: var(--text-subtle);
    margin: 0;
}

.notification-types {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
}

.notification-type {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--bg-dark-deep);
    padding: var(--spacing-3) var(--spacing-4);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-base);
    box-shadow: var(--shadow-xs);
}

.notification-type .type-info span {
    font-weight: 600;
    color: var(--text-primary);
    display: block;
    font-size: var(--font-size-base);
}

.notification-type .type-info small {
    color: var(--text-subtle);
    font-size: var(--font-size-sm);
}

/* Toggle Switch */
.switch {
    position: relative;
    display: inline-block;
    width: 44px; /* Wider switch */
    height: 24px; /* Taller switch */
    flex-shrink: 0;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--border-medium);
    transition: 0.4s;
    border-radius: 24px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 16px; /* Larger handle */
    width: 16px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: 0.4s;
    border-radius: 50%;
}

input:checked + .slider {
    background-color: var(--primary-color);
}

input:focus + .slider {
    box-shadow: 0 0 1px var(--primary-color);
}

input:checked + .slider:before {
    transform: translateX(20px); /* Move handle further */
}

.activity-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
}

.activity-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-3);
    background-color: var(--bg-dark-deep);
    padding: var(--spacing-3) var(--spacing-4);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-base);
    box-shadow: var(--shadow-xs);
}

.activity-icon {
    font-size: var(--font-size-lg);
    flex-shrink: 0;
    width: 36px; /* Larger icon container */
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    color: var(--color-white);
    box-shadow: var(--shadow-xs);
}

.activity-icon.primary { background-color: var(--primary-color); }
.activity-icon.success { background-color: var(--success-color); }
.activity-icon.warning { background-color: var(--warning-color); }
.activity-icon.danger { background-color: var(--danger-color); }

.activity-content p {
    margin: 0;
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    line-height: 1.4;
}

.activity-time {
    font-size: var(--font-size-xs);
    color: var(--text-subtle);
    margin-top: var(--spacing-0-5);
}

/* 13. POS Module Styles */
body.pos-active {
    overflow: hidden; /* Prevent scrolling behind the POS interface */
}

.pos-fullscreen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--bg-dark-deep);
    z-index: 5000;
    display: flex;
    flex-direction: column;
    color: var(--text-primary);
    font-family: var(--font-family-mono);
}

.pos-main-grid {
    display: grid;
    grid-template-columns: 2fr 1fr; /* 66% for products, 33% for cart */
    flex-grow: 1;
    overflow: hidden;
    height: 100vh;
}

.pos-products-panel, .pos-cart-panel {
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
}

.pos-products-panel {
    background-color: var(--bg-dark-deep);
    border-right: 2px solid var(--border-base);
}

.pos-products-header {
    padding: var(--spacing-4);
    border-bottom: 2px solid var(--border-base);
    flex-shrink: 0;
    background-color: var(--bg-dark-main);
}

.pos-search-bar {
    position: relative;
    margin-bottom: var(--spacing-4);
}

.pos-search-bar i {
    position: absolute;
    left: var(--spacing-3);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-subtle);
}

#pos-search-input {
    width: 100%;
    padding: var(--spacing-3) var(--spacing-3) var(--spacing-3) var(--spacing-8);
    font-size: var(--font-size-base);
    background-color: var(--bg-dark-deep);
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-family-primary);
}

.pos-categories {
    display: flex;
    gap: var(--spacing-2);
    overflow-x: auto;
    padding-bottom: var(--spacing-1);
}

.pos-category-btn {
    flex-shrink: 0;
    padding: var(--spacing-2) var(--spacing-4);
    background-color: var(--bg-dark-light);
    color: var(--text-secondary);
    border: 1px solid var(--border-base);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition);
    font-weight: 600;
}

.pos-category-btn.active, .pos-category-btn:hover {
    background-color: var(--primary-color);
    color: var(--color-white);
    border-color: var(--primary-dark);
}

.pos-products-grid-container {
    flex-grow: 1;
    overflow-y: auto;
    padding: var(--spacing-4);
}

.pos-products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: var(--spacing-4);
}

.pos-no-products {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
    color: var(--text-subtle);
    font-size: var(--font-size-lg);
}

.pos-product-card {
    background-color: var(--bg-dark-main);
    border: 1px solid var(--border-base);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
    padding: var(--spacing-2);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
}

.pos-product-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
}

.pos-product-card.low-stock {
    border-left: 4px solid var(--warning-color);
}

.pos-product-image {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-2);
}

.pos-product-details {
    flex-grow: 1;
}

.pos-product-name {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.2;
    margin-bottom: var(--spacing-1);
    height: 2.4em; /* 2 lines max */
    overflow: hidden;
}

.pos-product-price {
    font-size: var(--font-size-base);
    font-weight: 700;
    color: var(--success-text-light);
}

.pos-product-stock {
    font-size: var(--font-size-xs);
    color: var(--text-subtle);
    margin-top: var(--spacing-1);
    background-color: var(--bg-dark-deep);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
}

/* Cart Panel */
.pos-cart-panel {
    background-color: var(--bg-dark-main);
    display: flex;
    flex-direction: column;
}

.pos-cart-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3);
    border-bottom: 2px solid var(--border-base);
    flex-shrink: 0;
}

#pos-customer-select {
    flex-grow: 1;
}

.btn-icon {
    background: var(--bg-dark-light);
    color: var(--text-subtle);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    font-size: var(--font-size-lg);
    cursor: pointer;
    transition: all var(--transition);
}
.btn-icon:hover {
    color: var(--primary-color);
    background-color: var(--bg-dark-deep);
}
.btn-icon[title="POS-dan Çıxış"]:hover {
    color: var(--danger-color);
}


.pos-cart-items-container {
    flex-grow: 1;
    overflow-y: auto;
    padding: var(--spacing-3);
}

.pos-empty-cart {
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: var(--text-subtle);
}
.pos-empty-cart i {
    font-size: 4rem;
    margin-bottom: var(--spacing-4);
}
.pos-empty-cart p {
    font-size: var(--font-size-lg);
}

.pos-cart-item {
    display: grid;
    grid-template-columns: 1fr auto auto 24px;
    gap: var(--spacing-3);
    align-items: center;
    padding: var(--spacing-2) 0;
    border-bottom: 1px solid var(--border-base);
}

.cart-item-info {
    line-height: 1.3;
}
.cart-item-name {
    font-weight: 600;
    color: var(--text-primary);
}
.cart-item-price {
    font-size: var(--font-size-sm);
    color: var(--text-subtle);
}

.cart-item-controls {
    display: flex;
    align-items: center;
    background-color: var(--bg-dark-deep);
    border-radius: var(--radius-md);
}
.btn-qty {
    background: none;
    border: none;
    color: var(--primary-light);
    font-size: 1.2rem;
    width: 28px;
    height: 28px;
    cursor: pointer;
}
.cart-item-qty {
    width: 30px;
    text-align: center;
    font-weight: 600;
}
.cart-item-total {
    font-weight: 700;
    text-align: right;
    min-width: 80px;
}
.btn-remove {
    background: none;
    border: none;
    color: var(--text-subtle);
    cursor: pointer;
    font-size: 1rem;
}
.btn-remove:hover {
    color: var(--danger-color);
}


.pos-cart-footer {
    padding: var(--spacing-4);
    border-top: 2px solid var(--border-base);
    background-color: var(--bg-dark-deep);
    flex-shrink: 0;
}
.pos-cart-summary {
    margin-bottom: var(--spacing-4);
}
.pos-cart-summary .summary-row {
    display: flex;
    justify-content: space-between;
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-1);
    color: var(--text-secondary);
}
.pos-cart-summary .summary-row.total {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    color: var(--primary-color);
    margin-top: var(--spacing-2);
    padding-top: var(--spacing-2);
    border-top: 1px dashed var(--border-base);
}
.pos-cart-summary .summary-row span:last-child {
    font-weight: 600;
}

/* Payment Modal */
.pos-payment-modal-container {
    max-width: 450px;
}

.payment-total {
    text-align: center;
    margin-bottom: var(--spacing-6);
}
.payment-total span {
    font-size: var(--font-size-lg);
    color: var(--text-subtle);
}
.payment-total h2 {
    font-size: var(--font-size-5xl);
    font-weight: 800;
    color: var(--primary-color);
    margin: 0;
}

.payment-methods {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3);
}

.payment-methods .btn.active {
    background-color: var(--primary-dark);
    border-color: var(--primary-color);
}

#payment-amount-tendered {
    font-size: var(--font-size-2xl);
    text-align: center;
    font-weight: 600;
    padding: var(--spacing-3);
}

.payment-change {
    text-align: center;
    margin-top: var(--spacing-4);
}
.payment-change span {
    font-size: var(--font-size-lg);
    color: var(--text-subtle);
}
.payment-change h3 {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--success-text-light);
    margin: 0;
}


/* 14. Responsive Adjustments */
@media (max-width: 992px) {
    /* POS module specific responsive adjustments */
    .pos-main-grid {
        grid-template-columns: 1fr;
    }
    .pos-cart-panel {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        height: 40vh;
        transform: translateY(100%);
        transition: transform var(--transition-slow);
        box-shadow: 0 -10px 20px rgba(0,0,0,0.3);
        border-top: 2px solid var(--primary-color);
    }
    
    .pos-products-panel {
        border-right: none;
    }

    body.pos-active {
        /* Add padding to the bottom to not obscure the last row of products */
        padding-bottom: 40vh;
    }
}


@media (max-width: 768px) {
    /* Global layout adjustments */
    body {
        padding-bottom: 50px; /* Add padding to prevent content from being hidden by the bottom nav, reduced from 55px */
    }
    .container {
        padding: 0 var(--spacing-3);
    }
    h1 {
        font-size: var(--font-size-2xl);
        margin-bottom: var(--spacing-4);
    }
    h2 {
        font-size: var(--font-size-xl);
    }
    h3 {
        font-size: var(--font-size-lg);
    }

    /* App Header adjustments */
    .app-header {
        padding: var(--spacing-2) var(--spacing-3);
        min-height: 50px;
        z-index: 1000;
    }
    .app-header .app-title .brand-text {
        font-size: var(--font-size-base);
    }
    .app-header .tenant-name {
        display: none;
    }
    .app-header-actions {
        gap: var(--spacing-1);
    }
    .app-header-actions .btn {
        padding: var(--spacing-1-5) var(--spacing-3); /* Smaller buttons in header */
        font-size: var(--font-size-xs);
    }
    .app-header .mobile-menu-toggle {
        display: flex; /* Show the app-specific hamburger menu */
    }

    /* Hide desktop sidebar on mobile */
    .app-sidebar {
        position: fixed;
        left: -220px; /* Hide off-screen, reduced from -250px */
        top: 0;
        bottom: 0;
        height: 100%;
        z-index: 960; /* Above overlay, below header */
        transition: transform 0.3s ease-out;
        padding-top: 50px; /* Match header height to prevent overlap */
    }

    /* Adjust main content padding to account for fixed header and potential bottom nav */
    .app-content {
        padding-top: 50px; /* Adjust for smaller header */
        padding-bottom: 50px; /* Adjust for bottom nav, reduced from 55px */
        overflow-y: auto;
    }

    /* Module page header */
    .page-header {
        padding: var(--spacing-4);
        margin-bottom: var(--spacing-5);
    }
    .page-header h1 {
        font-size: var(--font-size-xl);
    }
    .page-header p {
        font-size: var(--font-size-sm);
    }
    .page-actions {
        flex-direction: column;
        width: 100%;
        margin-top: var(--spacing-2);
    }
    .page-actions .btn {
        width: 100%;
    }

    /* Module overview stat cards */
    .module-overview {
        grid-template-columns: 1fr;
        gap: var(--spacing-2);
    }
    .stat-card {
        min-height: 70px;
        padding: var(--spacing-2);
        gap: var(--spacing-2);
    }
    .stat-card .stat-icon {
        width: 36px;
        height: 36px;
        min-width: 36px;
        font-size: var(--font-size-base);
    }
    .stat-card .stat-content h3 {
        font-size: var(--font-size-base);
    }
    .stat-card .stat-content p {
        font-size: var(--font-size-xs);
    }

    /* Data tables */
    .data-table-container {
        padding: var(--spacing-4);
    }
    .data-table th, .data-table td {
        padding: var(--spacing-1-5) var(--spacing-2); /* Reduced padding for smaller screens */
    }
    .data-table th .column-filter-input {
        width: 50px;
    }

    /* Forms */
    .form-container {
        padding-bottom: var(--spacing-4);
    }
    .form-grid {
        grid-template-columns: 1fr;
    }
    .form-actions {
        flex-direction: column;
    }
    .form-actions .btn {
        width: 100%;
    }
    .modal-container {
        width: 95%;
    }
    .modal-content {
        padding: var(--spacing-4);
    }
    .modal-header h3 {
        font-size: var(--font-size-lg);
    }

    /* Notifications */
    #notification-container {
        top: var(--spacing-2);
        right: var(--spacing-2);
        left: var(--spacing-2);
        max-width: unset;
        gap: var(--spacing-1-5);
    }
    .notification {
        padding: var(--spacing-3);
        gap: var(--spacing-2);
    }
    .notification-title {
        font-size: var(--font-size-sm);
    }
    .notification-message {
        font-size: var(--font-size-xs);
    }

    /* Landing Page Responsive */
    .navbar {
        padding: var(--spacing-3) 0;
    }
    .nav-menu {
        display: none; /* Hide desktop nav menu */
    }
    .hamburger {
        display: flex; /* Show hamburger icon */
    }
    .hero {
        padding: var(--spacing-20) 0;
    }
    .hero-title {
        font-size: var(--font-size-5xl);
    }
    .hero-subtitle {
        font-size: var(--font-size-base);
    }
    .section-title {
        font-size: var(--font-size-3xl);
    }
    .section-subtitle {
        font-size: var(--font-size-sm);
    }
    .feature-card {
        padding: var(--spacing-5);
    }
    .feature-card h3 {
        font-size: var(--font-size-base);
    }
    .pricing-card {
        padding: var(--spacing-6);
    }
    .pricing-header h3 {
        font-size: var(--font-size-xl);
    }
    .price {
        font-size: var(--font-size-4xl);
    }
    .contact-info h2 {
        font-size: var(--font-size-2xl);
    }
    .contact-info p {
        font-size: var(--font-size-sm);
    }
    .contact-form {
        padding: var(--spacing-6);
    }

    /* Business Selection Responsive */
    .business-selection-container {
        padding: var(--spacing-5);
        margin: var(--spacing-4) auto;
    }
    .business-selection-header .brand-icon {
        width: 60px;
        height: 60px;
        font-size: var(--font-size-3xl);
    }
    .business-selection-header h1 {
        font-size: var(--font-size-2xl);
    }
    .business-selection-header p {
        font-size: var(--font-size-sm);
    }
    .business-selection-tabs {
        flex-wrap: wrap;
        justify-content: center;
        gap: var(--spacing-2);
    }
    .modern-tab-button {
        padding: var(--spacing-1-5) var(--spacing-3);
        font-size: var(--font-size-sm);
    }
    .businesses-grid {
        grid-template-columns: 1fr;
    }
    .business-card {
        padding: var(--spacing-4);
        min-height: auto;
    }
    .business-info h3 {
        font-size: var(--font-size-base);
    }
    .business-meta {
        flex-wrap: wrap;
    }
    .business-stats {
        grid-template-columns: 1fr;
    }
    .suspended-account-container h1 {
        font-size: var(--font-size-2xl);
    }
    .suspended-account-container p {
        font-size: var(--font-size-sm);
    }
    .suspended-account-container .btn-group {
        flex-direction: column;
    }
    .suspended-account-container .btn-group .btn {
        width: 100%;
    }

    /* Admin Panel Responsive */
    .admin-content {
        flex-direction: column;
        padding: var(--spacing-3);
    }
    .admin-navigation {
        width: 100%;
        padding: var(--spacing-3);
        margin-bottom: var(--spacing-4);
    }
    .admin-sections {
        padding: var(--spacing-4);
    }
    .modern-admin-nav-button {
        font-size: var(--font-size-sm);
    }
    .admin-section h3 {
        font-size: var(--font-size-lg);
    }
    .settings-grid {
        grid-template-columns: 1fr;
    }

    /* Telegram Module Responsive */
    .telegram-grid {
        grid-template-columns: 1fr;
    }
    .telegram-card {
        padding: var(--spacing-4);
    }
    .telegram-card .card-header h3 {
        font-size: var(--font-size-base);
    }
    .telegram-stat {
        padding: var(--spacing-2) var(--spacing-3);
    }
    .notification-type {
        padding: var(--spacing-2) var(--spacing-3);
    }
    .notification-type .type-info span {
        font-size: var(--font-size-sm);
    }
    .notification-type .type-info small {
        font-size: var(--font-size-xs);
    }
    .activity-item {
        padding: var(--spacing-2) var(--spacing-3);
    }
    .activity-content p {
        font-size: var(--font-size-xs);
    }

    /* 13.1. Bottom Navigation Bar (Mobile only) */
    .bottom-nav-bar {
        display: flex;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        background: var(--bg-dark-main);
        border-top: 1px solid var(--primary-color);
        box-shadow: 0 -4px 15px rgba(0,0,0,0.3);
        z-index: 999;
        justify-content: space-around;
        padding: var(--spacing-1) 0;
        min-height: 50px; /* Taller nav bar, reduced from 55px */
    }

    .bottom-nav-item {
        display: flex;
        flex-direction: column;
        align-items: center;
        color: var(--text-muted);
        text-decoration: none;
        font-size: var(--font-size-xs);
        padding: var(--spacing-1);
        border-radius: var(--radius-md);
        transition: all 0.2s ease-in-out;
        flex: 1;
        text-align: center;
        max-width: 80px; /* Wider hit area */
    }

    .bottom-nav-item i {
        font-size: var(--font-size-lg); /* Larger icons */
        margin-bottom: var(--spacing-0-5);
    }

    .bottom-nav-item span {
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        max-width: 100;
        line-height: 1.2;
    }

    .bottom-nav-item.active {
        color: var(--primary-color);
        background-color: var(--bg-dark-light);
    }

    /* Print Styles */
    @media print {
        .no-print {
            display: none !important;
        }

        body {
            background: #fff;
            color: #000;
            padding: 0;
            margin: 0;
            overflow: visible; /* Allow content to print beyond viewport */
        }

        /* Ensure main content is visible and takes full width */
        .app-container, .app-content, .app-main, .page-content {
            display: block !important;
            width: 100% !important;
            height: auto !important;
            min-height: auto !important;
            padding: 0 !important;
            margin: 0 !important;
            position: static !important;
            top: auto !important;
            left: auto !important;
            right: auto !important;
            bottom: auto !important;
            overflow: visible !important;
            box-shadow: none !important;
            border: none !important;
            background: none !important;
        }

        .page-header {
            display: block !important; /* Allow page header for titles */
            background: #fff !important;
            border-bottom: 2px solid #ccc !important;
            padding: var(--spacing-4) 0 !important;
            margin-bottom: var(--spacing-6) !important;
            text-align: center;
        }
        .page-header h1, .page-header p {
            color: #000 !important;
            text-align: center !important;
        }

        /* Tables for printing */
        .data-table-container {
            padding: 0 !important;
            margin-bottom: var(--spacing-6) !important;
            box-shadow: none !important;
            border: none !important;
            overflow-x: visible !important; /* Ensure tables don't get hidden overflow */
        }

        .data-table {
            min-width: unset !important; /* Allow table to shrink */
            font-size: 10pt !important;
            color: #000 !important;
            width: 100% !important;
            page-break-inside: avoid; /* Prevent table from breaking across pages if possible */
        }

        .data-table th, .data-table td {
            padding: 5px 8px !important;
            border: 1px solid #ddd !important;
            white-space: normal !important; /* Allow text to wrap */
            vertical-align: top !important;
        }

        .data-table th {
            background-color: #f0f0f0 !important;
            color: #000 !important;
            font-weight: bold !important;
            position: static !important; /* Remove sticky behavior */
        }

        .data-table tbody tr:hover {
            background-color: transparent !important;
        }

        .status-badge, .badge {
            border: 1px solid #ccc !important;
            color: #000 !important;
            background-color: #fff !important;
            padding: 2px 5px !important;
            font-size: 8pt !important;
        }

        .change {
            color: #000 !important; /* Ensure black for print readability */
        }

        .form-section h3, .form-section h4 {
            color: #000 !important;
        }

        .form-input, .form-textarea, .form-select {
            border: 1px solid #ccc !important;
            background-color: #f9f9f9 !important;
            color: #333 !important;
            box-shadow: none !important;
        }

        .password-toggle, .checkbox-label input, .forgot-password-link, .error-message,
        .calculation-group, .invoice-actions, .info-card, .setting-group, .telegram-card,
        .admin-navigation, .admin-sections, .business-card, .hero-bg, .footer-brand {
            display: none !important; /* Hide non-essential elements for printing */
        }

        /* Print headers and footers (optional, browser handles this usually) */
        @page {
            margin: 1cm;
        }
    }
}