/* TempDiffy Custom Design System - New Color Palette */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
    /* New Color Palette */
    --color-cream: #EFECE3;        /* Light cream background */
    --color-light-blue: #8FABD4;  /* Light blue accent */
    --color-dark-blue: #4A70A9;   /* Dark blue primary */
    --color-black: #000000;       /* Black text and accents */

    /* Extended Palette */
    --color-white: #FFFFFF;
    --color-gray-50: #F9F8F6;
    --color-gray-100: #F3F1ED;
    --color-gray-200: #E8E5DD;
    --color-gray-300: #D4CFC4;
    --color-gray-400: #A6A299;
    --color-gray-500: #857F73;
    --color-gray-600: #6B6559;
    --color-gray-700: #504C42;
    --color-gray-800: #3A362E;
    --color-gray-900: #252218;

    /* Semantic Colors */
    --color-success: #10B981;
    --color-warning: #F59E0B;
    --color-error: #EF4444;
    --color-info: #3B82F6;

    /* Theme Variables */
    --bg-primary: var(--color-white);
    --bg-secondary: var(--color-cream);
    --bg-tertiary: var(--color-gray-50);
    --bg-dark: var(--color-black);

    --text-primary: var(--color-black);
    --text-secondary: var(--color-gray-700);
    --text-tertiary: var(--color-gray-500);
    --text-light: var(--color-white);

    --border: var(--color-gray-300);
    --border-light: var(--color-gray-200);
    --border-dark: var(--color-gray-400);

    --primary: var(--color-dark-blue);
    --primary-hover: #3A5A8A;
    --primary-light: var(--color-light-blue);
    --accent: var(--color-light-blue);

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--color-dark-blue) 0%, var(--color-light-blue) 100%);
    --gradient-accent: linear-gradient(135deg, var(--color-light-blue) 0%, var(--color-dark-blue) 100%);
    --gradient-cream: linear-gradient(135deg, var(--color-cream) 0%, var(--color-gray-100) 100%);

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-2xl: 2rem;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;

    /* Layout */
    --sidebar-width: 240px;
    --header-height: 64px;
}

/* Reset and Base */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-secondary);
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    margin: 0;
    padding: 0;
}

.modern-layout {
    background: var(--bg-secondary);
    min-height: 100vh;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.3;
    margin: 0 0 1rem 0;
}

h1 { font-size: 2.25rem; font-weight: 700; }
h2 { font-size: 1.875rem; font-weight: 600; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p, span, div {
    font-weight: 400;
    margin: 0 0 1rem 0;
}

/* Layout Structure */
.app-container {
    display: flex;
    min-height: 100vh;
    background: var(--bg-secondary);
}

/* Desktop Sidebar */
.modern-sidebar {
    width: var(--sidebar-width);
    background: var(--bg-primary);
    border-right: 2px solid var(--border);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    z-index: 1000;
    box-shadow: var(--shadow-lg);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
    overflow-x: hidden;
}

.sidebar-header {
    padding: var(--space-2);
    border-bottom: 1px solid var(--border-light);
    background: var(--bg-primary);
    display: flex;
    justify-content: center;
    align-items: center;
}

.brand-container {
    display: flex;
    justify-content: center;
    align-items: center;
}

.brand-icon {
    width: 140px;
    height: 140px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.brand-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.brand-text {
    display: none;
}

.brand-subtitle {
    display: none;
}

/* User Info */
.user-section {
    padding: var(--space-4) var(--space-5);
    border-bottom: 1px solid var(--border-light);
    background: var(--bg-tertiary);
}

.user-profile {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.user-avatar {
    width: 32px;
    height: 32px;
    background: var(--gradient-accent);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    font-size: 0.875rem;
    flex-shrink: 0;
}

.user-info {
    flex: 1;
    min-width: 0;
}

.user-name {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.813rem;
    margin: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-role {
    font-size: 0.688rem;
    color: var(--text-tertiary);
    font-weight: 500;
    margin: 0;
}

/* Navigation */
.sidebar-nav {
    flex: 1;
    padding: var(--space-4) 0 var(--space-3) 0;
    overflow-y: auto;
    overflow-x: hidden;
}

.sidebar-nav::-webkit-scrollbar {
    width: 4px;
}

.sidebar-nav::-webkit-scrollbar-track {
    background: transparent;
}

.sidebar-nav::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 2px;
}

.sidebar-nav::-webkit-scrollbar-thumb:hover {
    background: var(--border-dark);
}

.nav-section {
    margin-bottom: var(--space-5);
}

.nav-section:last-child {
    margin-bottom: 0;
}

.nav-section-title {
    font-size: 0.688rem;
    font-weight: 700;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 0 var(--space-5) 0 var(--space-5);
    margin-bottom: var(--space-3);
}

.nav-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-item {
    margin-bottom: 0;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-5);
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.875rem;
    transition: all 0.15s ease;
    position: relative;
    border-left: 3px solid transparent;
}

.nav-link:hover {
    background: var(--bg-tertiary);
    color: var(--primary);
    text-decoration: none;
    border-left-color: var(--primary-light);
}

.nav-link.active {
    background: linear-gradient(90deg, rgba(74, 112, 169, 0.12) 0%, transparent 100%);
    color: var(--primary);
    font-weight: 600;
    border-left-color: var(--primary);
}

.nav-link i,
.nav-link [class^="bi-"],
.nav-link [class*=" bi-"] {
    font-size: 1rem;
    width: 18px;
    height: 1rem;
    flex-shrink: 0;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav-link span {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
}

.logout-link {
    color: var(--color-error) !important;
    margin-top: var(--space-2);
}

.logout-link:hover {
    background: rgba(239, 68, 68, 0.08) !important;
    color: var(--color-error) !important;
    border-left-color: var(--color-error) !important;
}

/* Mobile Navigation */
.mobile-header {
    display: none;
    background: var(--bg-primary);
    border-bottom: 2px solid var(--border);
    padding: 0 var(--space-3);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    z-index: 1100;
    box-shadow: var(--shadow-md);
    width: 100%;
}

.mobile-nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
    max-width: 100%;
    padding: 0;
    margin: 0;
    position: relative;
}

.mobile-brand {
    display: flex;
    align-items: center;
    gap: 0;
    justify-content: center;
    flex: 1;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    height: 100%;
}

.mobile-brand-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.mobile-brand-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.mobile-brand-text {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--primary);
    line-height: 1;
    display: flex;
    align-items: center;
}

.mobile-actions {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    width: 60px;
    justify-content: flex-start;
}

.mobile-spacer {
    width: 60px;
    flex-shrink: 0;
}

.mobile-toggle {
    background: transparent;
    border: none;
    border-radius: var(--radius);
    width: 44px;
    height: 44px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    cursor: pointer;
    transition: all 0.2s ease;
    padding: 8px;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
    position: relative;
    z-index: 1200;
}

.mobile-toggle:hover {
    background: var(--bg-tertiary);
}

.mobile-toggle:active {
    background: var(--border-light);
}

.hamburger-line {
    width: 22px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 1px;
    transition: all 0.2s ease;
    display: block;
    flex-shrink: 0;
    margin: 0;
}

.mobile-toggle.active {
    background: var(--bg-tertiary);
}

.mobile-toggle.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(3px, 4px);
}

.mobile-toggle.active .hamburger-line:nth-child(2) {
    opacity: 0;
    transform: scale(0);
}

.mobile-toggle.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(3px, -4px);
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    background: var(--bg-secondary);
    min-height: 100vh;
    padding: var(--space-8);
    transition: margin-left 0.3s ease;
}

/* Content Grid System */
.content-grid {
    display: grid;
    gap: var(--space-6);
    margin-bottom: var(--space-8);
}

.content-grid.cols-1 { grid-template-columns: 1fr; }
.content-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.content-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.content-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }

.content-grid.auto-fit-sm { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.content-grid.auto-fit-md { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.content-grid.auto-fit-lg { grid-template-columns: repeat(auto-fit, minmax(400px, 1fr)); }

/* Cards */
.card {
    background: var(--bg-primary);
    border: 2px solid var(--border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
    transition: all 0.2s ease;
    overflow: hidden;
    margin-bottom: var(--space-6);
}

.card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
    border-color: var(--primary-light);
}

.card-header {
    background: var(--gradient-cream);
    border-bottom: 2px solid var(--border-light);
    padding: var(--space-6);
    font-weight: 600;
    color: var(--text-primary);
}

.card-body {
    padding: var(--space-6);
}

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-4);
    color: var(--text-primary);
}

/* Buttons - v2.0 - Fixed icon/text alignment */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    border-radius: var(--radius-lg);
    font-weight: 600;
    padding: var(--space-3) var(--space-6);
    font-size: 0.875rem;
    transition: all 0.2s ease;
    border: 2px solid transparent;
    cursor: pointer;
    text-decoration: none;
    white-space: nowrap;
    font-family: inherit;
    line-height: 1.5;
    vertical-align: middle;
}

.btn i,
.btn [class^="bi-"],
.btn [class*=" bi-"] {
    font-size: 1em;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 1em;
    width: 1em;
}

.btn span {
    display: flex;
    align-items: center;
    margin: 0;
    padding: 0;
}

.btn:hover {
    transform: translateY(-1px);
    text-decoration: none;
    box-shadow: var(--shadow-md);
}

.btn-primary {
    background: var(--primary);
    color: var(--text-light);
    border-color: var(--primary);
}

.btn-primary:hover {
    background: var(--primary-hover);
    border-color: var(--primary-hover);
    color: var(--text-light);
}

.btn-secondary {
    background: var(--bg-primary);
    color: var(--text-primary);
    border-color: var(--border-dark);
}

.btn-secondary:hover {
    background: var(--bg-tertiary);
    border-color: var(--primary);
    color: var(--text-primary);
}

.btn-outline-primary {
    background: transparent;
    color: var(--primary);
    border-color: var(--primary);
}

.btn-outline-primary:hover {
    background: var(--primary);
    color: var(--text-light);
}

.btn-outline-secondary {
    background: transparent;
    color: var(--text-secondary);
    border-color: var(--border-dark);
}

.btn-outline-secondary:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border-color: var(--primary);
}

.btn-success {
    background: var(--color-success);
    color: var(--text-light);
    border-color: var(--color-success);
}

.btn-success:hover {
    background: #059669;
    border-color: #059669;
    color: var(--text-light);
}

.btn-sm {
    padding: var(--space-2) var(--space-4);
    font-size: 0.75rem;
}

.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: 1rem;
}

/* Form Controls */
.form-control, .form-select {
    border: 2px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-3) var(--space-4);
    font-size: 0.875rem;
    transition: all 0.2s ease;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: inherit;
    font-weight: 500;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(74, 112, 169, 0.1);
    outline: none;
}

.form-label {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-2);
}

/* Page Headers */
.page-header {
    margin-bottom: var(--space-8);
    padding: var(--space-6);
    background: var(--bg-primary);
    border: 2px solid var(--border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
}

.page-header h1 {
    margin-bottom: var(--space-2);
    display: flex;
    align-items: center;
    gap: var(--space-3);
    color: var(--primary);
}

.page-header .lead {
    color: var(--text-secondary);
    font-size: 1.125rem;
    margin: 0;
    font-weight: 500;
}

/* Stats Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-6);
    margin-bottom: var(--space-8);
}

.stat-card {
    background: var(--bg-primary);
    border: 2px solid var(--border);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    box-shadow: var(--shadow);
    transition: all 0.2s ease;
    text-align: center;
}

.stat-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
    border-color: var(--primary-light);
}

.stat-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-4);
    font-size: 1.5rem;
    color: var(--text-light);
}

.stat-icon.primary { background: var(--gradient-primary); }
.stat-icon.accent { background: var(--gradient-accent); }
.stat-icon.success { background: linear-gradient(135deg, var(--color-success) 0%, #059669 100%); }
.stat-icon.warning { background: linear-gradient(135deg, var(--color-warning) 0%, #D97706 100%); }
.stat-icon.info { background: linear-gradient(135deg, var(--color-info) 0%, #1D4ED8 100%); }

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
    margin-bottom: var(--space-2);
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Tables */
.table-container {
    background: var(--bg-primary);
    border: 2px solid var(--border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.table {
    margin: 0;
    width: 100%;
}

.table th {
    background: var(--gradient-cream);
    border-bottom: 2px solid var(--border);
    font-weight: 600;
    color: var(--text-primary);
    padding: var(--space-4);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
}

.table td {
    padding: var(--space-4);
    border-bottom: 1px solid var(--border-light);
    color: var(--text-secondary);
    font-weight: 500;
}

.table tbody tr:hover {
    background: var(--bg-tertiary);
}

/* Badges */
.badge {
    font-weight: 600;
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badge-primary { background: var(--primary); color: var(--text-light); }
.badge-success { background: var(--color-success); color: var(--text-light); }
.badge-warning { background: var(--color-warning); color: var(--text-light); }
.badge-danger { background: var(--color-error); color: var(--text-light); }
.badge-info { background: var(--color-info); color: var(--text-light); }

/* Alerts */
.alert {
    border-radius: var(--radius-xl);
    border: 2px solid var(--border);
    padding: var(--space-4) var(--space-6);
    margin-bottom: var(--space-4);
    font-weight: 500;
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    border-color: var(--color-success);
    color: #065F46;
}

.alert-danger {
    background: rgba(239, 68, 68, 0.1);
    border-color: var(--color-error);
    color: #991B1B;
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    border-color: var(--color-warning);
    color: #92400E;
}

.alert-info {
    background: rgba(59, 130, 246, 0.1);
    border-color: var(--color-info);
    color: #1E40AF;
}

/* Overlay */
.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    z-index: 999;
    display: none;
    opacity: 0;
    transition: opacity 0.3s ease;
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
}

.sidebar-overlay.show {
    display: block;
    opacity: 1;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .mobile-header {
        display: flex !important;
        align-items: center;
        justify-content: center;
    }
    
    .mobile-nav-content {
        width: 100%;
        max-width: 100%;
    }
    
    .mobile-brand {
        flex: 1;
        min-width: 0;
    }
    
    .mobile-brand-text {
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    
    .mobile-actions {
        flex-shrink: 0;
    }

    .modern-sidebar {
        transform: translateX(-100%);
        z-index: 1050;
        width: 280px;
        max-width: 80vw;
        box-shadow: 4px 0 20px rgba(0, 0, 0, 0.15);
        position: fixed;
        top: var(--header-height);
        left: 0;
        height: calc(100vh - var(--header-height));
    }

    .modern-sidebar.show {
        transform: translateX(0);
        box-shadow: 4px 0 24px rgba(0, 0, 0, 0.2);
    }
    
    .sidebar-overlay {
        z-index: 1040;
    }

    /* Hide sidebar logo in mobile view */
    .sidebar-header {
        display: none;
    }

    .main-content {
        margin-left: 0;
        padding: var(--space-4);
        padding-top: calc(var(--header-height) + var(--space-4));
        width: 100%;
        box-sizing: border-box;
    }

    .content-grid.cols-2,
    .content-grid.cols-3,
    .content-grid.cols-4 {
        grid-template-columns: 1fr;
    }

    .stats-grid {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }

    .card-header,
    .card-body {
        padding: var(--space-4);
    }

    .page-header {
        padding: var(--space-4);
        margin-bottom: var(--space-6);
    }

    .page-header h1 {
        font-size: 1.75rem;
        flex-wrap: wrap;
    }

    .btn {
        padding: var(--space-3) var(--space-4);
        font-size: 0.875rem;
    }
    
    /* Payment banner mobile */
    .payment-warning-banner {
        margin-bottom: var(--space-4);
        padding: 0.875rem;
    }
    
    .payment-warning-banner .banner-content {
        flex-direction: column;
        gap: 0.625rem;
        align-items: flex-start;
    }
    
    .payment-warning-banner .banner-icon {
        font-size: 1.25rem;
    }
    
    .payment-warning-banner .banner-text {
        font-size: 0.813rem;
    }
    
    .payment-warning-banner .banner-action {
        width: 100%;
        justify-content: center;
        padding: 0.625rem 0.875rem;
        font-size: 0.813rem;
    }
}

@media (max-width: 576px) {
    .mobile-header {
        padding: var(--space-2) var(--space-2);
    }
    
    .mobile-brand-icon {
        width: 36px;
        height: 36px;
    }
    
    .mobile-brand-text {
        font-size: 1rem;
    }
    
    .main-content {
        padding: var(--space-3);
        padding-top: calc(var(--header-height) + var(--space-3));
    }

    .content-grid {
        gap: var(--space-3);
    }

    .card {
        margin-bottom: var(--space-4);
        border-radius: var(--radius-lg);
    }

    .card-header,
    .card-body {
        padding: var(--space-3);
    }

    .page-header {
        padding: var(--space-3);
        margin-bottom: var(--space-4);
    }

    .page-header h1 {
        font-size: 1.5rem;
        gap: var(--space-2);
    }
    
    .page-header .lead {
        font-size: 1rem;
    }

    .stat-number {
        font-size: 2rem;
    }

    .stat-icon {
        width: 56px;
        height: 56px;
        font-size: 1.25rem;
    }
    
    .stat-card {
        padding: var(--space-4);
    }
    
    /* Sidebar adjustments for very small screens */
    .sidebar-header {
        display: none;
    }

    .brand-icon {
        width: 100px;
        height: 100px;
    }
    
    .user-section {
        padding: var(--space-3) var(--space-4);
    }
    
    .sidebar-nav {
        padding: var(--space-3) 0;
    }
    
    .nav-section-title {
        font-size: 0.65rem;
        padding: 0 var(--space-4);
    }
    
    .nav-link {
        padding: var(--space-2) var(--space-4);
        font-size: 0.813rem;
    }
    
    .nav-link i {
        font-size: 0.938rem;
    }
    
    /* Table responsiveness */
    .table-container {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .table {
        min-width: 500px;
    }
    
    /* Button groups on mobile */
    .btn-group {
        display: flex;
        flex-direction: column;
        gap: var(--space-2);
    }
    
    .btn-group .btn {
        width: 100%;
    }
    
    /* Form adjustments */
    .form-control,
    .form-select {
        font-size: 16px; /* Prevents zoom on iOS */
    }
    
    /* Alert adjustments */
    .alert {
        padding: var(--space-3) var(--space-4);
        font-size: 0.875rem;
    }
}

/* Animations */
.fade-in {
    animation: fadeIn 0.6s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Loading */
.spinner-border {
    color: var(--primary);
}

/* Utility Classes */
.text-primary { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-tertiary { color: var(--text-tertiary); }
.text-light { color: var(--text-light); }

.bg-primary { background: var(--bg-primary); }
.bg-secondary { background: var(--bg-secondary); }
.bg-tertiary { background: var(--bg-tertiary); }

.border-primary { border-color: var(--primary); }
.border-light { border-color: var(--border-light); }
.border-dark { border-color: var(--border-dark); }
/* Subscription Plan Badges */
.user-profile-link {
    text-decoration: none;
    color: inherit;
    display: block;
    transition: all 0.2s ease;
}

.user-profile-link:hover {
    background: rgba(74, 112, 169, 0.05);
    border-radius: var(--radius-lg);
}

.user-profile-link:hover .user-avatar i {
    color: var(--primary);
}

.plan-badge-standard,
.plan-badge-pro,
.plan-badge-max {
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    font-size: 0.688rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.plan-badge-standard {
    background: rgba(107, 114, 128, 0.1);
    color: #4B5563;
}

.plan-badge-pro {
    background: linear-gradient(135deg, var(--color-light-blue), var(--color-dark-blue));
    color: white;
}

.plan-badge-max {
    background: linear-gradient(135deg, #F59E0B, #D97706);
    color: white;
}

.user-role i {
    font-size: 0.75rem;
    opacity: 0.7;
}

/* Payment Warning Banner */
.payment-warning-banner {
    margin: 0 0 2rem 0;
    padding: 1rem 1.5rem;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    animation: slideDown 0.3s ease-out;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.payment-warning-banner.grace-period {
    background: linear-gradient(135deg, #FEF3C7 0%, #FDE68A 100%);
    border-left: 4px solid var(--color-warning);
}

.payment-warning-banner.expired {
    background: linear-gradient(135deg, #FEE2E2 0%, #FECACA 100%);
    border-left: 4px solid var(--color-error);
}

.payment-warning-banner .banner-content {
    display: flex;
    align-items: center;
    gap: 1rem;
    width: 100%;
}

.payment-warning-banner .banner-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.payment-warning-banner.grace-period .banner-icon {
    color: var(--color-warning);
}

.payment-warning-banner.expired .banner-icon {
    color: var(--color-error);
}

.payment-warning-banner .banner-text {
    flex: 1;
    font-size: 0.938rem;
    line-height: 1.5;
    color: var(--color-gray-800);
}

.payment-warning-banner .banner-text strong {
    font-weight: 600;
    color: var(--color-black);
}

.payment-warning-banner .banner-action {
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.875rem;
    text-decoration: none;
    white-space: nowrap;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.payment-warning-banner.grace-period .banner-action {
    background: var(--color-warning);
    color: white;
}

.payment-warning-banner.expired .banner-action {
    background: var(--color-error);
    color: white;
}

.payment-warning-banner .banner-action:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.payment-warning-banner .banner-action i {
    font-size: 1rem;
}

/* Responsive */
@media (max-width: 768px) {
    .payment-warning-banner {
        padding: 1rem;
    }
    
    .payment-warning-banner .banner-content {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }
    
    .payment-warning-banner .banner-text {
        font-size: 0.875rem;
    }
    
    .payment-warning-banner .banner-action {
        width: 100%;
        justify-content: center;
    }
}

/* Quota indicators */
.quota-info {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius);
    padding: var(--space-3);
    margin-top: var(--space-3);
}

.quota-bar {
    height: 6px;
    background: var(--color-gray-200);
    border-radius: var(--radius-sm);
    overflow: hidden;
    margin-top: var(--space-2);
}

.quota-fill {
    height: 100%;
    background: var(--gradient-primary);
    transition: width 0.3s ease;
}

.quota-fill.warning {
    background: linear-gradient(90deg, var(--color-warning), var(--color-error));
}

.quota-label {
    font-size: 0.813rem;
    color: var(--text-secondary);
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--space-1);
}

.quota-label strong {
    color: var(--text-primary);
    font-weight: 600;
}

/* Upgrade prompts */
.upgrade-prompt {
    background: linear-gradient(135deg, #FEF3C7 0%, #FDE68A 100%);
    border: 1px solid #FBBF24;
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    margin-bottom: var(--space-4);
}

.upgrade-prompt-icon {
    width: 40px;
    height: 40px;
    background: var(--color-warning);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    margin-bottom: var(--space-3);
}

.upgrade-prompt h6 {
    font-weight: 600;
    color: #92400E;
    margin-bottom: var(--space-2);
}

.upgrade-prompt p {
    color: #78350F;
    margin-bottom: var(--space-3);
    font-size: 0.875rem;
}