/*
 * ShieldGuard Pro - Enhanced Styles v2
 * Complete Dark Mode Support & Professional UI
 */

/* ===== CSS VARIABLES ===== */
:root {
  /* Brand colors */
  --primary: #6366F1;
  --primary-light: #818CF8;
  --primary-dark: #4F46E5;
  --primary-glow: rgba(99, 102, 241, 0.35);
  
  --secondary: #06B6D4;
  --secondary-light: #22D3EE;
  
  --accent-pink: #EC4899;
  --accent-pink-light: #F472B6;
  
  /* Legacy compatibility colors */
  --bright-blue: #6366F1;
  --bright-blue-hover: #4F46E5;
  --green: #10B981;
  --green-light: rgba(16, 185, 129, 0.15);
  --white: #FFFFFF;
  --tangerine: #F59E0B;
  --ivory: #F8FAFC;
  --light-blue: #EEF2FF;
  
  /* Status colors */
  --success: #10B981;
  --success-light: rgba(16, 185, 129, 0.12);
  --danger: #F43F5E;
  --danger-light: rgba(244, 63, 94, 0.12);
  --warning: #F59E0B;
  --warning-light: rgba(245, 158, 11, 0.12);
  --info: #06B6D4;
  --info-light: rgba(6, 182, 212, 0.12);
  
  /* Grays - Slate scale */
  --gray-50: #F8FAFC;
  --gray-100: #F1F5F9;
  --gray-200: #E2E8F0;
  --gray-300: #CBD5E1;
  --gray-400: #94A3B8;
  --gray-500: #64748B;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1E293B;
  --gray-900: #0F172A;
  
  /* Backgrounds - Light Mode */
  --bg-primary: #F8FAFC;
  --bg-secondary: #F1F5F9;
  --bg-card: #FFFFFF;
  --bg-surface: #FFFFFF;
  --bg-navbar: rgba(255, 255, 255, 0.8);
  
  /* Text */
  --text-primary: #0F172A;
  --text-secondary: #475569;
  --text-muted: #94A3B8;
  --text-main: #0F172A;
  
  /* Accent */
  --accent: #6366F1;
  --accent-light: rgba(99, 102, 241, 0.1);
  
  /* Borders */
  --border-color: #E2E8F0;
  --border-light: #F1F5F9;
  
  /* Shadows - More dramatic */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.04), 0 10px 25px rgba(0, 0, 0, 0.07);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.06), 0 20px 48px rgba(0, 0, 0, 0.1);
  --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.25), 0 0 60px rgba(99, 102, 241, 0.1);
  --shadow-blue: 0 4px 15px rgba(99, 102, 241, 0.3);
  
  /* Navbar */
  --nav-height: 70px;
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
}

/* Dark mode overrides */
body.dark-mode {
  --bg-primary: #0B0B14;
  --bg-secondary: #12121E;
  --bg-card: rgba(26, 26, 46, 0.7);
  --bg-surface: #1A1A2E;
  --bg-navbar: rgba(11, 11, 20, 0.85);
  
  --text-primary: #F1F5F9;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  --text-main: #F1F5F9;
  
  --accent: #818CF8;
  --accent-light: rgba(129, 140, 248, 0.15);
  
  --border-color: rgba(99, 102, 241, 0.15);
  --border-light: rgba(99, 102, 241, 0.08);
  
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 30px rgba(99, 102, 241, 0.2), 0 0 80px rgba(99, 102, 241, 0.08);
  --shadow-blue: 0 4px 15px rgba(99, 102, 241, 0.25);
  
  --gray-50: #1A1A2E;
  --gray-100: #1E1E32;
  --gray-200: #2D2D44;
  --gray-300: #3D3D58;
  --gray-400: #64748B;
  --gray-500: #94A3B8;
  --gray-600: #94A3B8;
  --gray-700: #CBD5E1;
  --gray-800: #E2E8F0;
  --gray-900: #F1F5F9;
  
  --bright-blue: #818CF8;
  --green: #34D399;
  --light-blue: rgba(99, 102, 241, 0.15);
  --ivory: #0B0B14;
}

/* ===== BASE STYLES ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    transition: background var(--transition-normal), color var(--transition-normal);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Background Pattern */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(ellipse at 0% 0%, rgba(99, 102, 241, 0.06) 0%, transparent 50%),
        radial-gradient(ellipse at 100% 100%, rgba(6, 182, 212, 0.05) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
    transition: background var(--transition-normal);
}

body.dark-mode::before {
    background: 
        radial-gradient(ellipse at 0% 0%, rgba(99, 102, 241, 0.12) 0%, transparent 50%),
        radial-gradient(ellipse at 100% 100%, rgba(6, 182, 212, 0.08) 0%, transparent 50%);
}

/* Main Content Area */
main.flex-grow-1 {
    background: var(--bg-primary);
    position: relative;
    z-index: 1;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    letter-spacing: -0.025em;
    color: var(--text-primary);
    transition: color var(--transition-normal);
}

p, span, div {
    color: var(--text-secondary);
    transition: color var(--transition-normal);
}

a {
    color: var(--bright-blue);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--green);
}

.gradient-text {
    /* Accessible high-contrast light-mode gradient: Indigo-600 to Teal-700 */
    background: linear-gradient(135deg, #4F46E5, #0F766E);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

body.dark-mode .gradient-text {
    /* Bright high-contrast dark-mode gradient: Indigo-400 to Cyan-400 */
    background: linear-gradient(135deg, #818CF8, #22D3EE);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-muted {
    color: var(--text-muted) !important;
}

.text-accent { color: var(--primary) !important; }
.text-success { color: var(--success) !important; }
.text-warning { color: var(--warning) !important; }
.text-danger { color: var(--danger) !important; }

/* ===== DARK MODE TOGGLE BUTTON ===== */
.dark-mode-toggle {
    position: fixed;
    bottom: 30px;
    left: 30px;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: linear-gradient(135deg, #6366F1, #06B6D4);
    border: none;
    color: white;
    font-size: 1.3rem;
    cursor: pointer;
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.35);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-normal);
}

.dark-mode-toggle:hover {
    transform: scale(1.1) rotate(15deg);
    box-shadow: 0 12px 35px rgba(99, 102, 241, 0.45);
}

body.dark-mode .dark-mode-toggle {
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
    box-shadow: 0 8px 25px rgba(251, 191, 36, 0.35);
}

/* ===== NAVBAR ===== */
.navbar {
    background: var(--bg-navbar) !important;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: var(--shadow-sm);
    padding: 0.75rem 0;
    transition: all var(--transition-normal);
    border-bottom: 1px solid rgba(148, 163, 184, 0.1);
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary) !important;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.brand-icon {
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, #6366F1, #06B6D4);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    transition: transform var(--transition-normal);
}

.navbar-brand:hover .brand-icon {
    transform: rotate(10deg) scale(1.05);
}

.brand-text {
    color: var(--text-primary);
}

.brand-pro {
    background: linear-gradient(135deg, #6366F1, #06B6D4);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-link {
    font-weight: 600;
    color: var(--text-secondary) !important;
    padding: 0.6rem 1rem !important;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-icon {
    font-size: 1.1rem;
}

.nav-link:hover {
    color: var(--bright-blue) !important;
    background: rgba(0, 171, 228, 0.1);
}

.nav-link.active {
    color: var(--bright-blue) !important;
}

/* User Avatar in Nav */
.user-menu-btn {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.4rem 0.8rem !important;
    background: rgba(0, 171, 228, 0.1) !important;
    border-radius: var(--radius-full) !important;
}

.user-avatar {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, #6366F1, #06B6D4);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 0.9rem;
}

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

/* Dropdown */
.dropdown-menu {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 0.5rem;
}

.dropdown-item {
    color: var(--text-secondary);
    padding: 0.65rem 1rem;
    border-radius: var(--radius-md);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.dropdown-item:hover {
    background: rgba(0, 171, 228, 0.1);
    color: var(--bright-blue);
}

/* ===== BUTTONS ===== */
.btn {
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    border: none;
}

.btn-primary {
    background: var(--bright-blue);
    color: white;
    box-shadow: 0 4px 15px rgba(0, 171, 228, 0.3);
}

.btn-primary:hover {
    background: var(--bright-blue-hover);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 171, 228, 0.4);
}

.btn-success {
    background: var(--success);
    color: white;
}

.btn-success:hover {
    background: #00b048;
    color: white;
    transform: translateY(-2px);
}

.btn-outline-primary {
    border: 2px solid var(--bright-blue);
    color: var(--bright-blue);
    background: transparent;
}

.btn-outline-primary:hover {
    background: var(--bright-blue);
    color: white;
}

.btn-outline-secondary {
    border: 2px solid var(--border-color);
    color: var(--text-secondary);
    background: transparent;
}

.btn-outline-secondary:hover {
    border-color: var(--text-secondary);
    background: var(--gray-100);
    color: var(--text-primary);
}

.btn-glow {
    background: linear-gradient(135deg, #6366F1, #06B6D4);
    color: white;
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.35);
}

.btn-glow:hover {
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(99, 102, 241, 0.45);
}

.btn-aurora {
    background: linear-gradient(135deg, #6366F1, #EC4899);
    color: white;
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.35);
}

.btn-aurora:hover {
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(99, 102, 241, 0.45);
}

/* ===== FORMS ===== */
.form-control, .form-select {
    background: var(--bg-card) !important;
    border: 2px solid var(--border-color) !important;
    border-radius: var(--radius-md) !important;
    padding: 0.85rem 1.1rem !important;
    font-weight: 500;
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.form-control:focus, .form-select:focus {
    border-color: var(--bright-blue) !important;
    box-shadow: 0 0 0 4px rgba(0, 171, 228, 0.15) !important;
}

.form-control::placeholder {
    color: var(--text-muted);
}

.form-label {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

/* ===== CARDS ===== */
.glass-card, .card {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.glass-card:hover, .card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.card-header {
    background: transparent;
    border-bottom: 1px solid var(--border-color);
    padding: 1.25rem 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.card-body {
    padding: 1.5rem;
}

/* ===== BADGES ===== */
.badge {
    padding: 0.4rem 0.8rem;
    font-weight: 600;
    font-size: 0.75rem;
    border-radius: var(--radius-full);
}

.badge-success {
    background: rgba(0, 200, 83, 0.15);
    color: var(--success);
}

.badge-danger {
    background: rgba(255, 59, 48, 0.15);
    color: var(--danger);
}

.badge-warning {
    background: rgba(255, 149, 0, 0.15);
    color: var(--warning);
}

.badge-info {
    background: rgba(0, 171, 228, 0.15);
    color: var(--info);
}

/* ===== TOAST NOTIFICATIONS ===== */
.toast-container {
    position: fixed;
    top: 100px;
    right: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.toast {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 1rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 320px;
    max-width: 420px;
    animation: slideIn 0.4s ease;
    border-left: 4px solid;
}

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

.toast-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.toast-success .toast-icon { background: rgba(0, 200, 83, 0.15); color: var(--success); }
.toast-error .toast-icon { background: rgba(255, 59, 48, 0.15); color: var(--danger); }
.toast-warning .toast-icon { background: rgba(255, 149, 0, 0.15); color: var(--warning); }
.toast-info .toast-icon { background: rgba(0, 171, 228, 0.15); color: var(--info); }

.toast-content { flex: 1; }
.toast-title { font-weight: 700; font-size: 0.95rem; color: var(--text-primary); }
.toast-message { font-size: 0.85rem; color: var(--text-muted); }

.toast-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.25rem;
    font-size: 1.1rem;
    transition: color var(--transition-fast);
}

.toast-close:hover { color: var(--text-primary); }

/* ===== CUSTOM ALERTS ===== */
.alert-custom {
    border-radius: var(--radius-lg);
    border: none;
    padding: 1rem 1.25rem;
    font-weight: 500;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    animation: fadeIn 0.3s ease;
}

.alert-success {
    background: rgba(0, 200, 83, 0.12);
    color: var(--success);
    border-left: 4px solid var(--success);
}

.alert-danger {
    background: rgba(255, 59, 48, 0.12);
    color: var(--danger);
    border-left: 4px solid var(--danger);
}

.alert-warning {
    background: rgba(255, 149, 0, 0.12);
    color: var(--warning);
    border-left: 4px solid var(--warning);
}

.alert-info {
    background: rgba(0, 171, 228, 0.12);
    color: var(--info);
    border-left: 4px solid var(--info);
}

.alert-content {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.alert-icon { font-size: 1.25rem; }
.alert-close {
    background: none;
    border: none;
    color: inherit;
    opacity: 0.5;
    cursor: pointer;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--bg-card);
    border-top: 1px solid var(--border-color);
    padding: 3rem 0 1.5rem;
    margin-top: 4rem;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.brand-icon-sm {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, #6366F1, #06B6D4);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
}

.footer-desc {
    color: var(--text-muted);
    margin-bottom: 1rem;
    line-height: 1.7;
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.social-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    transition: all var(--transition-fast);
}

.social-link:hover {
    background: var(--bright-blue);
    color: white;
    transform: translateY(-3px);
}

.footer-title {
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1rem;
}

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

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--bright-blue);
}

.footer-divider {
    border-color: var(--border-color);
    margin: 2rem 0 1.5rem;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.copyright {
    color: var(--text-muted);
    margin: 0;
}

.footer-legal {
    display: flex;
    gap: 1.5rem;
}

.footer-legal a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
}

.footer-legal a:hover {
    color: var(--bright-blue);
}

/* ===== TABLE ===== */
.table {
    color: var(--text-primary);
}

.table thead th {
    background: rgba(0, 171, 228, 0.08);
    border-bottom: 2px solid var(--bright-blue);
    color: var(--text-primary);
    font-weight: 700;
    padding: 1rem;
    text-transform: uppercase;
    font-size: 0.7rem;
    letter-spacing: 0.05em;
}

.table td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
    vertical-align: middle;
}

.table tbody tr {
    transition: background var(--transition-fast);
}

.table tbody tr:hover {
    background: rgba(0, 171, 228, 0.05);
}

body.dark-mode .table {
    --bs-table-bg: transparent;
    --bs-table-striped-bg: rgba(0, 0, 0, 0.05);
    --bs-table-hover-bg: rgba(0, 171, 228, 0.1);
}

/* ===== ANIMATIONS ===== */
@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

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

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

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

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.1); opacity: 0.8; }
}

/* ===== ANIMATIONS CSS ===== */
/* Page Load Animation */
.page-loaded {
    animation: fadeIn 0.5s ease;
}

/* Fade Up Animation */
.fade-up {
    animation: fadeUp 0.6s ease;
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Scale In Animation */
.scale-in {
    animation: scaleIn 0.4s ease;
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Slide In Right */
.slide-in-right {
    animation: slideInRight 0.5s ease;
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Hover Lift */
.hover-lift {
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.hover-lift:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

/* Hover Glow */
.hover-glow {
    transition: box-shadow var(--transition-normal);
}

.hover-glow:hover {
    box-shadow: 0 0 30px rgba(0, 171, 228, 0.3);
}

/* Stagger Animation Children */
.stagger-children > * {
    opacity: 0;
    animation: fadeUp 0.5s ease forwards;
}

.stagger-children > *:nth-child(1) { animation-delay: 0.1s; }
.stagger-children > *:nth-child(2) { animation-delay: 0.2s; }
.stagger-children > *:nth-child(3) { animation-delay: 0.3s; }
.stagger-children > *:nth-child(4) { animation-delay: 0.4s; }
.stagger-children > *:nth-child(5) { animation-delay: 0.5s; }
.stagger-children > *:nth-child(6) { animation-delay: 0.6s; }

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--gray-100);
}

body.dark-mode ::-webkit-scrollbar-track {
    background: var(--gray-800);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(var(--bright-blue), var(--green));
    border-radius: var(--radius-full);
}

/* ===== SELECTION ===== */
::selection {
    background: rgba(0, 171, 228, 0.3);
    color: var(--text-primary);
}

/* ===== FOCUS STATES ===== */
*:focus-visible {
    outline: 2px solid var(--bright-blue);
    outline-offset: 2px;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 992px) {
    .navbar-collapse { 
        background: var(--bg-card); 
        padding: 1rem; 
        border-radius: var(--radius-md);
        margin-top: 1rem;
        box-shadow: var(--shadow-md);
    }
}

/* ===== COMPREHENSIVE MOBILE RESPONSIVENESS ===== */
@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 991px) {
    /* Prevent floating toggle overlapping the menu card */
    .dark-mode-toggle {
        z-index: 990 !important;
    }

    /* Modern collapse dropdown menu */
    .navbar-collapse {
        position: absolute;
        top: 100%;
        left: 1rem;
        right: 1rem;
        background: var(--bg-surface);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-lg);
        box-shadow: var(--shadow-lg);
        padding: 1.25rem;
        max-height: 80vh;
        overflow-y: auto;
        z-index: 1000;
        display: none;
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
    }
    
    .navbar-collapse.show {
        display: block !important;
        animation: slideDown 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    }
    
    body.dark-mode .navbar-collapse {
        background: rgba(26, 26, 46, 0.95);
        border-color: var(--gray-700);
    }
    
    .navbar-nav {
        width: 100%;
        align-items: stretch !important;
    }
    
    .nav-item {
        width: 100%;
        margin-bottom: 0.35rem;
    }
    
    .nav-link {
        width: 100%;
        padding: 0.75rem 1rem !important;
        font-size: 1.05rem;
        background: var(--bg-secondary);
        border-radius: var(--radius-md);
        display: flex;
        align-items: center;
        gap: 0.75rem;
        min-height: 44px; /* Ensure 44px+ touch target */
    }
    
    body.dark-mode .nav-link {
        background: var(--gray-100);
    }
    
    .nav-link:hover {
        background: rgba(0, 171, 228, 0.15);
    }
    
    /* Responsive Dropdown within collapse */
    .navbar-collapse .dropdown-menu {
        position: static !important;
        float: none;
        width: 100%;
        background: var(--bg-secondary);
        border: none;
        box-shadow: none;
        padding: 0.5rem;
        margin-top: 0.25rem;
        border-radius: var(--radius-md);
    }
    
    body.dark-mode .navbar-collapse .dropdown-menu {
        background: var(--gray-100);
    }
    
    .navbar-collapse .dropdown-item {
        padding: 0.8rem 1.25rem;
        font-size: 0.95rem;
        min-height: 44px; /* Ensure 44px+ touch target */
        display: flex;
        align-items: center;
    }
    
    .mobile-nav-actions {
        padding-top: 0.75rem;
        border-top: 1px solid var(--border-color);
        margin-top: 0.75rem;
    }
    
    body.dark-mode .mobile-nav-actions {
        border-top-color: var(--gray-700);
    }
    
    /* Force buttons to span full width */
    .mobile-nav-actions .btn {
        width: 100%;
        min-height: 48px;
        justify-content: center;
        margin-top: 0.5rem;
    }
    
    .mobile-nav-actions .nav-item {
        display: block;
        width: 100%;
    }
}

@media (max-width: 768px) {
    /* Typography Scaling */
    h1 { font-size: 2.2rem; line-height: 1.2; }
    h2 { font-size: 1.75rem; }
    
    /* Layout Spacing */
    .container { padding-left: 1.25rem; padding-right: 1.25rem; }
    .card-body { padding: 1.5rem !important; }
    
    /* Dark Mode Toggle - avoid bottom bar overlaps on mobile browsers */
    .dark-mode-toggle {
        bottom: 25px;
        right: 25px;
        left: auto;
        width: 52px;
        height: 52px;
    }
    
    /* Forms & Buttons */
    .form-control, .btn {
        min-height: 48px;
        font-size: 1rem;
    }
}

@media (max-width: 576px) {
    h1 { font-size: 1.85rem; }
    h2 { font-size: 1.4rem; }
    .card-body { padding: 1.25rem !important; }
    
    /* Adjust specific feature cards */
    .feature-card {
        padding: 1.5rem;
        margin-bottom: 1rem;
    }
}

/* ===== EXTRACTED DESIGN SYSTEM CLASSES (CLEANING INLINE STYLES) ===== */
.brand-gradient-text {
    /* Accessible high-contrast light-mode gradient: Indigo-600 to Teal-700 */
    background: linear-gradient(135deg, #4F46E5, #0F766E) !important;
    -webkit-background-clip: text !important;
    -webkit-text-fill-color: transparent !important;
}

body.dark-mode .brand-gradient-text {
    /* Bright high-contrast dark-mode gradient: Indigo-400 to Cyan-400 */
    background: linear-gradient(135deg, #818CF8, #22D3EE) !important;
}

.footer-gradient-border {
    border-top: 2px solid transparent !important;
    border-image: linear-gradient(to right, #4F46E5, #0F766E) 1 !important;
}

body.dark-mode .footer-gradient-border {
    border-image: linear-gradient(to right, #818CF8, #22D3EE) 1 !important;
}

.dark-mode-toggle:focus-visible {
    outline: 3px solid var(--accent, #6366F1) !important;
    outline-offset: 3px !important;
}

.stat-icon-blue {
    background: #dbeafe !important;
    color: #3b82f6 !important;
}

.stat-icon-green {
    background: #dcfce7 !important;
    color: #22c55e !important;
}

.stat-icon-red {
    background: #fee2e2 !important;
    color: #ef4444 !important;
}

.preview-container {
    background: #0f172a !important;
    min-height: 200px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
}

.preview-img-blur {
    filter: blur(10px) !important;
    transition: filter 0.3s ease, opacity 0.3s ease !important;
    opacity: 0.8 !important;
}

.reveal-btn {
    z-index: 10 !important;
}

.modal-header-gradient {
    background: linear-gradient(135deg, var(--light-blue), var(--ivory)) !important;
}

.badge-scan-type {
    background: var(--light-blue) !important;
    color: var(--bright-blue) !important;
    border: 1px solid var(--border-color) !important;
}

.color-success-icon {
    color: var(--success, #10B981) !important;
}

.color-secondary-icon {
    color: var(--secondary, #06B6D4) !important;
}

/* Bento grid feature card themes */
.feature-card.theme-indigo { background: rgba(99, 102, 241, 0.03) !important; }
.feature-card.theme-indigo .feature-icon-wrapper { background: linear-gradient(135deg, #e0e7ff, #c7d2fe) !important; }
.feature-card.theme-indigo .feature-icon-wrapper i { color: #6366F1 !important; }

.feature-card.theme-green { background: rgba(16, 185, 129, 0.03) !important; }
.feature-card.theme-green .feature-icon-wrapper { background: linear-gradient(135deg, #d1fae5, #a7f3d0) !important; }
.feature-card.theme-green .feature-icon-wrapper i { color: #10B981 !important; }

.feature-card.theme-cyan { background: rgba(6, 182, 212, 0.03) !important; }
.feature-card.theme-cyan .feature-icon-wrapper { background: linear-gradient(135deg, #cffafe, #a5f3fc) !important; }
.feature-card.theme-cyan .feature-icon-wrapper i { color: #06B6D4 !important; }

.feature-card.theme-pink { background: rgba(236, 72, 153, 0.03) !important; }
.feature-card.theme-pink .feature-icon-wrapper { background: linear-gradient(135deg, #fce7f3, #fbcfe8) !important; }
.feature-card.theme-pink .feature-icon-wrapper i { color: #EC4899 !important; }

.feature-card.theme-amber { background: rgba(245, 158, 11, 0.03) !important; }
.feature-card.theme-amber .feature-icon-wrapper { background: linear-gradient(135deg, #fef3c7, #fde68a) !important; }
.feature-card.theme-amber .feature-icon-wrapper i { color: #F59E0B !important; }

.feature-card.theme-slate { background: rgba(100, 116, 139, 0.03) !important; }
.feature-card.theme-slate .feature-icon-wrapper { background: linear-gradient(135deg, #f1f5f9, #e2e8f0) !important; }
.feature-card.theme-slate .feature-icon-wrapper i { color: #64748B !important; }

/* Dark mode additional overrides */
body.dark-mode .dropdown-menu {
    background: #1e1e2e;
    border: 1px solid var(--border-color);
}

body.dark-mode .dropdown-item {
    color: var(--text-primary);
}

body.dark-mode .dropdown-item:hover {
    background: var(--accent-light);
    color: var(--accent);
}

body.dark-mode .stat-card-admin {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

body.dark-mode .form-control::placeholder {
    color: var(--text-muted);
}

body.dark-mode .form-control:focus, 
body.dark-mode .form-select:focus {
    border-color: var(--accent) !important;
}

body.dark-mode .form-select {
    background-color: var(--bg-card) !important;
    color: var(--text-primary);
}

body.dark-mode .table td,
body.dark-mode .table th {
    border-color: var(--border-color);
    color: var(--text-primary);
}

body.dark-mode .table tbody tr:hover {
    background: var(--accent-light);
}