/* =====================================================
   XSystemAuthenticator - Modern Dark Theme
   Design System & Base Styles
   ===================================================== */

/* Google Fonts - Inter */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* =====================================================
   CSS Variables - Design Tokens
   ===================================================== */
:root {
    /* Colors */
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --primary-gradient-hover: linear-gradient(135deg, #5a6fd6 0%, #6a4294 100%);
    --accent-gradient: linear-gradient(135deg, #00d4ff 0%, #667eea 100%);

    --bg-dark: #0f0f23;
    --bg-darker: #0a0a1a;
    --bg-card: rgba(255, 255, 255, 0.03);
    --bg-card-hover: rgba(255, 255, 255, 0.06);

    --border-glass: rgba(255, 255, 255, 0.08);
    --border-light: rgba(255, 255, 255, 0.15);

    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-muted: rgba(255, 255, 255, 0.5);

    --accent-cyan: #00d4ff;
    --accent-purple: #667eea;
    --accent-pink: #764ba2;
    --accent-green: #00c853;
    --accent-orange: #ff9800;
    --accent-red: #ff5252;

    /* Effects */
    --glass-blur: blur(20px);
    --glass-blur-light: blur(10px);
    --glow-primary: 0 0 30px rgba(102, 126, 234, 0.4);
    --glow-cyan: 0 0 30px rgba(0, 212, 255, 0.4);
    --glow-pink: 0 0 30px rgba(118, 75, 162, 0.4);

    --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.5);

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 50%;
}

/* =====================================================
   Base Reset & Typography
   ===================================================== */
*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
}

/* Animated Background */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(ellipse at 20% 20%, rgba(102, 126, 234, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(118, 75, 162, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 40% 60%, rgba(0, 212, 255, 0.08) 0%, transparent 40%);
    pointer-events: none;
    z-index: -1;
}

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

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.25rem;
}

p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

a {
    color: var(--accent-cyan);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--accent-purple);
}

/* =====================================================
   Glass Card Component
   ===================================================== */
.glass-card {
    background: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: all var(--transition-normal);
}

.glass-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-light);
    box-shadow: var(--shadow-md);
}

.glass-card-sm {
    padding: 1.5rem;
    border-radius: var(--radius-md);
}

.glass-card-glow {
    box-shadow: var(--glow-primary);
}

/* =====================================================
   Modern Navbar
   ===================================================== */
.navbar-modern {
    background: rgba(15, 15, 35, 0.8);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-bottom: 1px solid var(--border-glass);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar-modern .navbar-brand {
    font-weight: 700;
    font-size: 1.25rem;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.navbar-modern .nav-link {
    color: var(--text-secondary) !important;
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.navbar-modern .nav-link:hover {
    color: var(--text-primary) !important;
    background: rgba(255, 255, 255, 0.05);
}

.navbar-modern .nav-link.active {
    color: var(--accent-cyan) !important;
}

/* User Dropdown */
.user-dropdown-btn {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-xl);
    padding: 0.4rem 1rem 0.4rem 0.4rem;
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.user-dropdown-btn:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-light);
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    object-fit: cover;
    border: 2px solid var(--accent-purple);
}

.user-avatar-placeholder {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    background: var(--primary-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.dropdown-menu-modern {
    background: rgba(20, 20, 40, 0.95);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    padding: 0.5rem;
    box-shadow: var(--shadow-lg);
    min-width: 200px;
}

.dropdown-menu-modern .dropdown-item {
    color: var(--text-secondary);
    padding: 0.6rem 1rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.dropdown-menu-modern .dropdown-item:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}

.dropdown-menu-modern .dropdown-item.text-danger {
    color: var(--accent-red) !important;
}

.dropdown-menu-modern .dropdown-divider {
    border-color: var(--border-glass);
    margin: 0.5rem 0;
}

/* =====================================================
   Buttons
   ===================================================== */
.btn-gradient {
    background: var(--primary-gradient);
    border: none;
    color: var(--text-primary);
    font-weight: 600;
    padding: 0.75rem 2rem;
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.btn-gradient::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left var(--transition-slow);
}

.btn-gradient:hover {
    transform: translateY(-2px);
    box-shadow: var(--glow-primary);
    color: var(--text-primary);
}

.btn-gradient:hover::before {
    left: 100%;
}

.btn-glass {
    background: var(--bg-card);
    backdrop-filter: var(--glass-blur-light);
    border: 1px solid var(--border-glass);
    color: var(--text-primary);
    font-weight: 500;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

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

.btn-outline-glass {
    background: transparent;
    border: 1px solid var(--border-light);
    color: var(--text-secondary);
    font-weight: 500;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.btn-outline-glass:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
}

.btn-danger-glass {
    background: rgba(255, 82, 82, 0.15);
    border: 1px solid rgba(255, 82, 82, 0.3);
    color: var(--accent-red);
}

.btn-danger-glass:hover {
    background: rgba(255, 82, 82, 0.25);
    border-color: var(--accent-red);
    color: var(--accent-red);
}

.btn-success-glass {
    background: rgba(0, 200, 83, 0.15);
    border: 1px solid rgba(0, 200, 83, 0.3);
    color: var(--accent-green);
}

.btn-success-glass:hover {
    background: rgba(0, 200, 83, 0.25);
    border-color: var(--accent-green);
    color: var(--accent-green);
}

/* =====================================================
   Form Controls
   ===================================================== */
.form-control-modern {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    padding: 0.875rem 1.25rem;
    font-size: 1rem;
    transition: all var(--transition-fast);
}

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

.form-control-modern:focus {
    background: var(--bg-card-hover);
    border-color: var(--accent-purple);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.15);
    outline: none;
    color: var(--text-primary);
}

.form-label-modern {
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.form-check-modern .form-check-input {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    width: 1.25rem;
    height: 1.25rem;
}

.form-check-modern .form-check-input:checked {
    background: var(--primary-gradient);
    border-color: var(--accent-purple);
}

.form-check-modern .form-check-label {
    color: var(--text-secondary);
    margin-left: 0.5rem;
}

/* =====================================================
   Footer
   ===================================================== */
.footer-modern {
    background: rgba(10, 10, 26, 0.8);
    backdrop-filter: var(--glass-blur-light);
    border-top: 1px solid var(--border-glass);
    padding: 1.5rem 0;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer-modern a {
    color: var(--text-secondary);
}

.footer-modern a:hover {
    color: var(--accent-cyan);
}

/* =====================================================
   Utility Classes
   ===================================================== */
.text-gradient {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

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

.glow-cyan {
    box-shadow: var(--glow-cyan);
}

.glow-primary {
    box-shadow: var(--glow-primary);
}

.bg-glass {
    background: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
}

/* =====================================================
   Page Layout
   ===================================================== */
.main-container {
    min-height: calc(100vh - 160px);
    padding: 2rem 0;
}

/* =====================================================
   Animations
   ===================================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse-glow {

    0%,
    100% {
        box-shadow: 0 0 20px rgba(102, 126, 234, 0.4);
    }

    50% {
        box-shadow: 0 0 40px rgba(102, 126, 234, 0.6);
    }
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-10px);
    }
}

.animate-fade-in {
    animation: fadeInUp 0.5s ease forwards;
}

.animate-pulse-glow {
    animation: pulse-glow 2s ease-in-out infinite;
}

.animate-float {
    animation: float 3s ease-in-out infinite;
}

/* =====================================================
   Badges
   ===================================================== */
.badge-modern {
    padding: 0.4rem 0.8rem;
    border-radius: var(--radius-sm);
    font-weight: 500;
    font-size: 0.8rem;
}

.badge-cyan {
    background: rgba(0, 212, 255, 0.15);
    color: var(--accent-cyan);
    border: 1px solid rgba(0, 212, 255, 0.3);
}

.badge-purple {
    background: rgba(102, 126, 234, 0.15);
    color: var(--accent-purple);
    border: 1px solid rgba(102, 126, 234, 0.3);
}

.badge-green {
    background: rgba(0, 200, 83, 0.15);
    color: var(--accent-green);
    border: 1px solid rgba(0, 200, 83, 0.3);
}

.badge-orange {
    background: rgba(255, 152, 0, 0.15);
    color: var(--accent-orange);
    border: 1px solid rgba(255, 152, 0, 0.3);
}

.badge-red {
    background: rgba(255, 82, 82, 0.15);
    color: var(--accent-red);
    border: 1px solid rgba(255, 82, 82, 0.3);
}

/* =====================================================
   Alerts
   ===================================================== */
.alert-modern {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    padding: 1rem 1.25rem;
    color: var(--text-secondary);
}

.alert-modern.alert-info {
    border-left: 3px solid var(--accent-cyan);
}

.alert-modern.alert-warning {
    border-left: 3px solid var(--accent-orange);
}

.alert-modern.alert-danger {
    border-left: 3px solid var(--accent-red);
}

.alert-modern.alert-success {
    border-left: 3px solid var(--accent-green);
}

/* =====================================================
   Tables
   ===================================================== */
.table-modern {
    color: var(--text-secondary);
}

.table-modern thead th {
    background: var(--bg-card);
    border: none;
    color: var(--text-primary);
    font-weight: 600;
    padding: 1rem;
}

.table-modern tbody td {
    border-color: var(--border-glass);
    padding: 1rem;
    vertical-align: middle;
}

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

/* =====================================================
   Icons
   ===================================================== */
.icon-circle {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.icon-circle-lg {
    width: 80px;
    height: 80px;
    font-size: 2rem;
}

.icon-gradient {
    background: var(--primary-gradient);
    color: white;
}

.icon-cyan {
    background: rgba(0, 212, 255, 0.15);
    color: var(--accent-cyan);
}

.icon-purple {
    background: rgba(102, 126, 234, 0.15);
    color: var(--accent-purple);
}

/* =====================================================
   Scrollbar
   ===================================================== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-darker);
}

::-webkit-scrollbar-thumb {
    background: var(--border-light);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* =====================================================
   Responsive
   ===================================================== */
@media (max-width: 768px) {
    html {
        font-size: 14px;
    }

    .glass-card {
        padding: 1.5rem;
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.5rem;
    }
}

/* =====================================================
   Bootstrap Overrides
   ===================================================== */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
}

.card-header {
    background: transparent;
    border-bottom: 1px solid var(--border-glass);
}

.modal-content {
    background: rgba(20, 20, 40, 0.95);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
}

.modal-header {
    border-bottom: 1px solid var(--border-glass);
}

.modal-footer {
    border-top: 1px solid var(--border-glass);
}

.form-control,
.form-select {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    color: var(--text-primary);
}

.form-control:focus,
.form-select:focus {
    background: var(--bg-card-hover);
    border-color: var(--accent-purple);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.15);
    color: var(--text-primary);
}

.btn-primary {
    background: var(--primary-gradient);
    border: none;
}

.btn-primary:hover {
    background: var(--primary-gradient-hover);
    box-shadow: var(--glow-primary);
}

.btn-secondary {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    color: var(--text-secondary);
}

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

.btn-danger {
    background: rgba(255, 82, 82, 0.2);
    border: 1px solid var(--accent-red);
    color: var(--accent-red);
}

.btn-danger:hover {
    background: var(--accent-red);
    color: white;
}

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

.text-danger {
    color: var(--accent-red) !important;
}

.bg-danger {
    background: rgba(255, 82, 82, 0.2) !important;
}

.alert-info {
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.2);
    color: var(--text-secondary);
}

.alert-warning {
    background: rgba(255, 152, 0, 0.1);
    border: 1px solid rgba(255, 152, 0, 0.2);
    color: var(--text-secondary);
}

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