/* CPM Ad Network - Main Stylesheet */

:root {
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary-color: #64748b;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --light-bg: #f8fafc;
    --dark-text: #1e293b;
    --border-color: #e2e8f0;
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--dark-text);
    background-color: #ffffff;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 0.5rem;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
    margin-bottom: 1rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 500;
    text-align: center;
    text-decoration: none;
    border: none;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: all 0.2s ease;
    line-height: 1.5;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

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

.btn-secondary:hover {
    background-color: #475569;
}

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

.btn-success:hover {
    background-color: #059669;
}

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

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

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--dark-text);
}

.form-control {
    width: 100%;
    padding: 0.75rem;
    font-size: 1rem;
    border: 2px solid var(--border-color);
    border-radius: 0.5rem;
    transition: border-color 0.2s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Cards */
.card {
    background: white;
    border-radius: 0.75rem;
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

.card-header {
    padding: 1.5rem;
    background-color: var(--light-bg);
    border-bottom: 1px solid var(--border-color);
}

.card-body {
    padding: 1.5rem;
}

.card-footer {
    padding: 1rem 1.5rem;
    background-color: var(--light-bg);
    border-top: 1px solid var(--border-color);
}

/* Navigation */
.navbar {
    background: white;
    box-shadow: var(--shadow);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
}

.navbar-nav {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 2rem;
}

.nav-link {
    color: var(--dark-text);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
}

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

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 5rem 0;
    text-align: center;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

/* Features */
.features {
    padding: 5rem 0;
    background-color: var(--light-bg);
}

.feature-card {
    text-align: center;
    padding: 2rem;
    height: 100%;
}

.feature-icon {
    width: 4rem;
    height: 4rem;
    background-color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    font-size: 1.5rem;
}

/* Stats */
.stats {
    padding: 3rem 0;
    background: white;
}

.stat-item {
    text-align: center;
    padding: 1rem;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    display: block;
}

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

/* Dashboard */
.dashboard-header {
    background: white;
    padding: 2rem 0;
    border-bottom: 1px solid var(--border-color);
}

.dashboard-content {
    padding: 2rem 0;
    background-color: var(--light-bg);
    min-height: calc(100vh - 200px);
}

.dashboard-card {
    background: white;
    border-radius: 0.75rem;
    padding: 1.5rem;
    box-shadow: var(--shadow);
    margin-bottom: 1.5rem;
}

.dashboard-stat {
    text-align: center;
    padding: 1.5rem;
}

.dashboard-stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    display: block;
    margin-bottom: 0.5rem;
}

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

/* Tables */
.table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: 0.5rem;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.table th,
.table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

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

.table tbody tr:hover {
    background-color: #f8fafc;
}

/* Alerts */
.alert {
    padding: 1rem 1.5rem;
    border-radius: 0.5rem;
    margin-bottom: 1rem;
    border: 1px solid transparent;
}

.alert-success {
    background-color: #d1fae5;
    border-color: #a7f3d0;
    color: #065f46;
}

.alert-danger {
    background-color: #fee2e2;
    border-color: #fecaca;
    color: #991b1b;
}

.alert-warning {
    background-color: #fef3c7;
    border-color: #fde68a;
    color: #92400e;
}

.alert-info {
    background-color: #dbeafe;
    border-color: #bfdbfe;
    color: #1e40af;
}

/* Utilities */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 -0.75rem;
}

.col {
    flex: 1;
    padding: 0 0.75rem;
}

.col-md-4 {
    flex: 0 0 33.333333%;
    max-width: 33.333333%;
    padding: 0 0.75rem;
}

.col-md-6 {
    flex: 0 0 50%;
    max-width: 50%;
    padding: 0 0.75rem;
}

.col-md-8 {
    flex: 0 0 66.666667%;
    max-width: 66.666667%;
    padding: 0 0.75rem;
}

.col-md-12 {
    flex: 0 0 100%;
    max-width: 100%;
    padding: 0 0.75rem;
}

.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }
.mb-5 { margin-bottom: 3rem; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }
.mt-5 { margin-top: 3rem; }

.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }

.justify-content-center { justify-content: center; }
.justify-content-between { justify-content: space-between; }
.align-items-center { align-items: center; }

/* Footer */
.footer {
    background-color: var(--dark-text);
    color: white;
    padding: 3rem 0 1rem;
    margin-top: auto;
}

.footer-links {
    display: flex;
    gap: 2rem;
    justify-content: center;
    margin-bottom: 2rem;
}

.footer-link {
    color: #cbd5e1;
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer-link:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #374151;
    color: #9ca3af;
}

/* Mobile-First Responsive Design */

/* Base styles are mobile-first */
.navbar-nav {
    flex-direction: column;
    gap: 1rem;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    box-shadow: var(--shadow);
    padding: 1rem;
    display: none;
}

.navbar-nav.active {
    display: flex;
}

.navbar-toggle {
    display: block;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--dark-text);
}

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

/* Hero responsive */
.hero {
    padding: 3rem 0;
}

.hero h1 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1rem;
    margin-bottom: 1.5rem;
}

/* Grid system - mobile first */
.col-md-4,
.col-md-6,
.col-md-8,
.col-md-12 {
    flex: 0 0 100%;
    max-width: 100%;
    margin-bottom: 1rem;
}

/* Features mobile */
.features {
    padding: 3rem 0;
}

.feature-card {
    padding: 1.5rem;
    margin-bottom: 1rem;
}

/* Dashboard mobile */
.dashboard-content {
    padding: 1rem 0;
}

.dashboard-card {
    margin-bottom: 1rem;
    padding: 1rem;
}

/* Table responsive */
.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.table {
    min-width: 600px;
}

/* Forms mobile */
.form-control {
    font-size: 16px; /* Prevents zoom on iOS */
}

/* Buttons mobile */
.btn {
    
    margin-bottom: 0.5rem;
}

.btn-group .btn {
    width: auto;
    margin-bottom: 0;
}

/* Footer mobile */
.footer-links {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
}

/* Tablet styles */
@media (min-width: 768px) {
    .navbar-nav {
        position: static;
        flex-direction: row;
        gap: 2rem;
        display: flex;
        background: none;
        box-shadow: none;
        padding: 0;
    }
    
    .navbar-toggle {
        display: none;
    }
    
    .hero {
        padding: 4rem 0;
    }
    
    .hero h1 {
        font-size: 3rem;
    }
    
    .hero p {
        font-size: 1.125rem;
    }
    
    .col-md-6 {
        flex: 0 0 50%;
        max-width: 50%;
    }
    
    .features {
        padding: 4rem 0;
    }
    
    .btn {
        width: auto;
        margin-bottom: 0;
    }
    
    .footer-links {
        flex-direction: row;
        justify-content: center;
    }
}

/* Desktop styles */
@media (min-width: 992px) {
    .hero {
        padding: 5rem 0;
    }
    
    .hero h1 {
        font-size: 3.5rem;
    }
    
    .hero p {
        font-size: 1.25rem;
    }
    
    .col-md-4 {
        flex: 0 0 33.333333%;
        max-width: 33.333333%;
    }
    
    .col-md-8 {
        flex: 0 0 66.666667%;
        max-width: 66.666667%;
    }
    
    .features {
        padding: 5rem 0;
    }
    
    .dashboard-content {
        padding: 2rem 0;
    }
    
    .dashboard-card {
        padding: 1.5rem;
    }
}

/* Large desktop */
@media (min-width: 1200px) {
    .container {
        max-width: 1140px;
    }
}

/* Touch-friendly improvements */
@media (hover: none) and (pointer: coarse) {
    .btn {
        min-height: 44px;
        padding: 0.875rem 1.5rem;
    }
    
    .form-control {
        min-height: 44px;
        padding: 0.875rem;
    }
    
    .nav-link {
        padding: 0.75rem 0;
        min-height: 44px;
        display: flex;
        align-items: center;
    }
    
    .table td,
    .table th {
        padding: 1rem 0.5rem;
    }
}

/* High DPI displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .card {
        border: 1px solid var(--border-color);
    }
}

/* Landscape phone orientation */
@media (max-width: 767px) and (orientation: landscape) {
    .hero {
        padding: 2rem 0;
    }
    
    .hero h1 {
        font-size: 1.75rem;
    }
    
    .features {
        padding: 2rem 0;
    }
}

/* Print styles */
@media print {
    .navbar,
    .footer,
    .btn {
        display: none;
    }
    
    .container {
        max-width: none;
        padding: 0;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid #ccc;
    }
}

/* Loading spinner */
.spinner {
    border: 4px solid #f3f3f3;
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 20px auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Status badges */
.badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: 0.25rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

.badge-warning {
    background-color: var(--warning-color);
    color: white;
}

.badge-danger {
    background-color: var(--danger-color);
    color: white;
}

.badge-secondary {
    background-color: var(--secondary-color);
    color: white;
}



/* Enhanced Monetag-style Design */

/* Hero Section Enhancements */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 6rem 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    background: linear-gradient(45deg, #fff, #f0f9ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    line-height: 1.6;
    margin-bottom: 3rem;
    opacity: 0.9;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-bottom: 3rem;
}

.hero-stat {
    text-align: center;
}

.hero-stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.3rem;
}

.hero-stat-label {
    font-size: 0.875rem;
    opacity: 0.8;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    text-align: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.hero-trust {
    text-align: center;
    opacity: 0.8;
}

.trust-badges {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 1rem;
}

.trust-badges i {
    font-size: 1.5rem;
    opacity: 0.7;
}

/* Live Stats Ticker */
.live-stats {
    background: #1a1a1a;
    color: white;
    padding: 1rem 0;
    overflow: hidden;
}

.ticker {
    display: flex;
    animation: scroll 30s linear infinite;
    white-space: nowrap;
}

.ticker-item {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-right: 3rem;
    font-size: 0.875rem;
    font-weight: 500;
}

.ticker-item i {
    color: var(--primary-color);
}

@keyframes scroll {
    0% { transform: translateX(100%); }
    100% { transform: translateX(-100%); }
}

/* Enhanced Button Styles */
.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), #4f46e5);
    color: white;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.4);
}

.btn-outline {
    background: transparent;
    color: white;
    border-color: rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
}

/* Enhanced Feature Cards */
.feature-card {
    background: white;
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.05);
    height: 100%;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    width: 4rem;
    height: 4rem;
    background: linear-gradient(135deg, var(--primary-color), #4f46e5);
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: white;
    font-size: 1.5rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--dark-text);
}

.feature-card p {
    color: var(--secondary-color);
    line-height: 1.6;
}

/* Enhanced Dashboard Cards */
.dashboard-card {
    background: white;
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.dashboard-card:hover {
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.dashboard-stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), #4f46e5);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
    margin-bottom: 0.5rem;
}

.dashboard-stat-label {
    color: var(--secondary-color);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 500;
}

/* Enhanced Navigation */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), #4f46e5);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Enhanced Forms */
.form-control {
    border: 2px solid #e5e7eb;
    border-radius: 0.75rem;
    padding: 0.875rem 1rem;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: white;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
    outline: none;
}

/* Enhanced Tables */
.table {
    border-radius: 0.75rem;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.table th {
    background: var(--light-bg);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    color: var(--secondary-color);
    border: none;
    padding: 1rem;
}

.table td {
    padding: 1rem;
    border-color: rgba(0, 0, 0, 0.05);
    vertical-align: middle;
}

/* Enhanced Badges */
.badge {
    padding: 0.375rem 0.75rem;
    border-radius: 0.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badge-success {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
}

.badge-warning {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: white;
}

.badge-danger {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: white;
}

/* Professional Loading Animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Professional Toast Notifications */
.toast {
    position: fixed;
    top: 20px;
    right: 20px;
    background: white;
    border-radius: 0.75rem;
    padding: 1rem 1.5rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    border-left: 4px solid var(--primary-color);
    z-index: 10000;
    transform: translateX(400px);
    transition: transform 0.3s ease;
}

.toast.show {
    transform: translateX(0);
}

.toast.success {
    border-left-color: var(--success-color);
}

.toast.error {
    border-left-color: var(--danger-color);
}

/* Mobile Navigation Styles */
.navbar-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--dark-text);
    cursor: pointer;
    padding: 0.5rem;
}

@media (max-width: 768px) {
    .navbar-toggle {
        display: block;
    }
    
    .navbar-nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
        border-radius: 0 0 0.75rem 0.75rem;
        padding: 1rem 0;
        transform: translateY(-10px);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        z-index: 1000;
    }
    
    .navbar-nav.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .navbar-nav li {
        margin: 0;
    }
    
    .navbar-nav .nav-link {
        display: block;
        padding: 0.75rem 1.5rem;
        border-bottom: 1px solid rgba(0, 0, 0, 0.05);
        transition: all 0.2s ease;
    }
    
    .navbar-nav .nav-link:hover {
        background: var(--light-bg);
        color: var(--primary-color);
    }
}

/* Button Fixes */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    cursor: pointer;
    font-size: 1rem;
    line-height: 1.5;
    background: transparent;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), #4f46e5);
    color: white !important;
    border-color: var(--primary-color);
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.4);
    color: white !important;
}

.btn-secondary {
    background: var(--secondary-color);
    color: white !important;
    border-color: var(--secondary-color);
}

.btn-secondary:hover {
    background: #4b5563;
    border-color: #4b5563;
    color: white !important;
}

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

.btn-success:hover {
    background: #059669;
    border-color: #059669;
    color: white !important;
}

.btn-warning {
    background: var(--warning-color);
    color: white !important;
    border-color: var(--warning-color);
}

.btn-warning:hover {
    background: #d97706;
    border-color: #d97706;
    color: white !important;
}

.btn-danger {
    background: var(--danger-color);
    color: white !important;
    border-color: var(--danger-color);
}

.btn-danger:hover {
    background: #dc2626;
    border-color: #dc2626;
    color: white !important;
}

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

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

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

/* Fix for invisible buttons */
.btn:not(.btn-outline):not(.btn-primary):not(.btn-secondary):not(.btn-success):not(.btn-warning):not(.btn-danger) {
    background: var(--primary-color);
    color: white !important;
    border-color: var(--primary-color);
}

/* Form Control Improvements */
.form-control {
    border: 2px solid #e5e7eb;
    border-radius: 0.75rem;
    padding: 0.875rem 1rem;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: white;
    width: 100%;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
    outline: none;
}

.form-control::placeholder {
    color: #9ca3af;
    opacity: 1;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--dark-text);
}

/* Dashboard Improvements */
.dashboard-header {
    background: linear-gradient(135deg, var(--primary-color), #4f46e5);
    color: white;
    padding: 2rem 0;
    margin-bottom: 2rem;
}

.dashboard-content {
    padding: 0 0 2rem 0;
}

.dashboard-card {
    background: white;
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    margin-bottom: 1.5rem;
}

.dashboard-card:hover {
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.dashboard-stat {
    text-align: center;
}

.dashboard-stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), #4f46e5);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
    margin-bottom: 0.5rem;
}

.dashboard-stat-label {
    color: var(--secondary-color);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 500;
}

/* Table Improvements */
.table-responsive {
    overflow-x: auto;
    border-radius: 0.75rem;
}

.table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: 0.75rem;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.table th {
    background: var(--light-bg);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    color: var(--secondary-color);
    border: none;
    padding: 1rem;
    text-align: left;
}

.table td {
    padding: 1rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    vertical-align: middle;
}

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

.table tbody tr:hover {
    background: rgba(59, 130, 246, 0.02);
}

/* Badge Improvements */
.badge {
    padding: 0.375rem 0.75rem;
    border-radius: 0.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: inline-block;
}

.badge-success {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
}

.badge-warning {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: white;
}

.badge-danger {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: white;
}

.badge-secondary {
    background: var(--secondary-color);
    color: white;
}

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

/* Flash Message Improvements */
.flash-message {
    padding: 1rem 1.5rem;
    border-radius: 0.75rem;
    margin-bottom: 1rem;
    border-left: 4px solid;
    transition: opacity 0.3s ease;
}

.flash-message.success {
    background: rgba(16, 185, 129, 0.1);
    border-left-color: var(--success-color);
    color: #065f46;
}

.flash-message.error {
    background: rgba(239, 68, 68, 0.1);
    border-left-color: var(--danger-color);
    color: #991b1b;
}

.flash-message.warning {
    background: rgba(245, 158, 11, 0.1);
    border-left-color: var(--warning-color);
    color: #92400e;
}

.flash-message.info {
    background: rgba(59, 130, 246, 0.1);
    border-left-color: var(--primary-color);
    color: #1e40/* Enhanced Mobile Responsiveness and UI Improvements */

/* Mobile Navigation Improvements */
@media (max-width: 768px) {
    .navbar {
        padding: 0.75rem 0;
    }
    
    .navbar-brand {
        font-size: 1.25rem;
    }
    
    .navbar-nav {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: rgba(30, 41, 59, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        padding: 1rem;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        z-index: 1000;
        border-radius: 0 0 1rem 1rem;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    }
    
    .navbar-nav.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .navbar-nav .nav-link {
        padding: 1rem;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        margin: 0;
        border-radius: 0.5rem;
        margin-bottom: 0.5rem;
        transition: all 0.2s ease;
    }
    
    .navbar-nav .nav-link:hover {
        background: rgba(59, 130, 246, 0.2);
        transform: translateX(0.5rem);
    }
    
    .navbar-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 40px;
        height: 40px;
        border: none;
        background: rgba(59, 130, 246, 0.1);
        color: var(--primary-color);
        border-radius: 0.5rem;
        cursor: pointer;
        transition: all 0.2s ease;
    }
    
    .navbar-toggle:hover {
        background: var(--primary-color);
        color: white;
        transform: scale(1.05);
    }
    
    .navbar-toggle.active {
        background: var(--primary-color);
        color: white;
        transform: rotate(90deg);
    }
}

/* Enhanced Form Styling */
.form-control {
    border: 2px solid var(--border-color);
    border-radius: 0.75rem;
    padding: 0.875rem 1rem;
    font-size: 1rem;
    transition: all 0.2s ease;
    background: white;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
    outline: none;
    transform: translateY(-1px);
}

.form-control::placeholder {
    color: #9ca3af;
    font-weight: 400;
}

.form-label {
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.5rem;
    display: block;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Enhanced Button Styling */
.btn {
    padding: 0.75rem 1.5rem;
    border-radius: 0.75rem;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    position: relative;
    overflow: hidden;
}

.btn::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 0.5s ease;
}

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

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.btn:active {
    transform: translateY(0);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), #4f46e5);
    color: white;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #2563eb, #4338ca);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.4);
}

.btn-success {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

.btn-success:hover {
    background: linear-gradient(135deg, #059669, #047857);
    box-shadow: 0 8px 25px rgba(16, 185, 129, 0.4);
}

.btn-warning {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: white;
    box-shadow: 0 4px 15px rgba(245, 158, 11, 0.3);
}

.btn-warning:hover {
    background: linear-gradient(135deg, #d97706, #b45309);
    box-shadow: 0 8px 25px rgba(245, 158, 11, 0.4);
}

.btn-danger {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: white;
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.3);
}

.btn-danger:hover {
    background: linear-gradient(135deg, #dc2626, #b91c1c);
    box-shadow: 0 8px 25px rgba(239, 68, 68, 0.4);
}

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

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

.btn-secondary {
    background: linear-gradient(135deg, #6b7280, #4b5563);
    color: white;
    box-shadow: 0 4px 15px rgba(107, 114, 128, 0.3);
}

.btn-secondary:hover {
    background: linear-gradient(135deg, #4b5563, #374151);
    box-shadow: 0 8px 25px rgba(107, 114, 128, 0.4);
}

/* Enhanced Card Styling */
.dashboard-card {
    background: white;
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.dashboard-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), #4f46e5, #7c3aed);
}

.dashboard-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
}

/* Enhanced Stats Cards */
.stats-card {
    background: white;
    border-radius: 1rem;
    padding: 1.5rem;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.stats-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), #4f46e5);
}

.stats-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.stats-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    display: block;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, var(--primary-color), #4f46e5);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

/* Enhanced Mobile Responsiveness */
@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }
    
    .dashboard-header {
        padding: 2rem 0;
        text-align: center;
    }
    
    .dashboard-header h1 {
        font-size: 2rem;
        margin-bottom: 0.5rem;
    }
    
    .dashboard-content {
        padding: 1rem 0;
    }
    
    .dashboard-card {
        padding: 1.5rem;
        margin-bottom: 1.5rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .stats-number {
        font-size: 2rem;
    }
    
    .btn {
        padding: 0.875rem 1.25rem;
        font-size: 0.875rem;
        width: 100%;
        justify-content: center;
    }
    
    .btn-sm {
        padding: 0.5rem 1rem;
        font-size: 0.75rem;
        width: auto;
    }
    
    .form-control {
        padding: 1rem;
        font-size: 1rem;
    }
    
    .row {
        margin: 0 -0.5rem;
    }
    
    .col-md-6, .col-md-4, .col-md-3, .col-md-8, .col-md-9 {
        padding: 0 0.5rem;
        margin-bottom: 1rem;
    }
}

/* Enhanced Input Styling */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group:last-child {
    margin-bottom: 0;
}

/* Enhanced Alert Styling */
.alert {
    padding: 1rem 1.5rem;
    border-radius: 0.75rem;
    border: none;
    margin-bottom: 1.5rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.alert-success {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1), rgba(5, 150, 105, 0.1));
    color: #059669;
    border-left: 4px solid #10b981;
}

.alert-danger {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.1), rgba(220, 38, 38, 0.1));
    color: #dc2626;
    border-left: 4px solid #ef4444;
}

.alert-warning {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.1), rgba(217, 119, 6, 0.1));
    color: #d97706;
    border-left: 4px solid #f59e0b;
}

/* Enhanced Badge Styling */
.badge {
    padding: 0.375rem 0.75rem;
    border-radius: 0.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.badge-success {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
}

.badge-warning {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: white;
}

.badge-danger {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: white;
}

.badge-primary {
    background: linear-gradient(135deg, var(--primary-color), #4f46e5);
    color: white;
}

.badge-secondary {
    background: linear-gradient(135deg, #6b7280, #4b5563);
    color: white;
}

/* Enhanced Table Styling */
.table-responsive {
    border-radius: 0.75rem;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.table {
    margin: 0;
    background: white;
}

.table th {
    background: linear-gradient(135deg, #f8fafc, #f1f5f9);
    color: var(--text-color);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: 0.75rem;
    padding: 1rem;
    border: none;
    border-bottom: 2px solid var(--border-color);
}

.table td {
    padding: 1rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    vertical-align: middle;
}

.table tbody tr:hover {
    background: rgba(59, 130, 246, 0.02);
}

/* Enhanced Loading States */
.loading {
    position: relative;
    overflow: hidden;
}

.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% { left: -100%; }
    100% { left: 100%; }
}

/* Enhanced Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Enhanced Focus States */
*:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.btn:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

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

::-webkit-scrollbar-track {
    background: #f1f5f9;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--primary-color), #4f46e5);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #2563eb, #4338ca);
}max-width: 768px) {
    .container {
        padding: 0 1rem;
    }
    
    .dashboard-header {
        padding: 1.5rem 0;
        text-align: center;
    }
    
    .dashboard-header h1 {
        font-size: 1.75rem;
        margin-bottom: 0.5rem;
    }
    
    .dashboard-card {
        padding: 1.5rem;
        margin-bottom: 1rem;
    }
    
    .dashboard-stat-number {
        font-size: 2rem;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
        margin-bottom: 0.5rem;
    }
    
    .btn-sm {
        width: auto;
        display: inline-flex;
    }
    
    .table {
        font-size: 0.875rem;
    }
    
    .table th,
    .table td {
        padding: 0.75rem 0.5rem;
    }
}

@media (max-width: 480px) {
    .dashboard-header h1 {
        font-size: 1.5rem;
    }
    
    .dashboard-stat-number {
        font-size: 1.75rem;
    }
    
    .form-control {
        padding: 0.75rem;
    }
    
    .btn {
        padding: 0.75rem 1rem;
        font-size: 0.875rem;
    }
}