/* GitHub Explorer - Dark Theme with Neon Accents */

:root {
    --bg-primary: #0a0a0a;
    --bg-secondary: #1a1a1a;
    --bg-card: #1e1e1e;
    --bg-dark: #0f0f0f;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --text-muted: #666666;
    --neon-blue: #00d4ff;
    --neon-blue-glow: #00d4ff80;
    --border-color: #333333;
    --hover-color: #2a2a2a;
    --success-color: #28a745;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --info-color: #17a2b8;
}

/* Base Styles */
* {
    box-sizing: border-box;
}

body {
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    color: var(--text-primary);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    min-height: 100vh;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    color: var(--text-primary);
    font-weight: 600;
}

.text-neon {
    color: var(--neon-blue) !important;
    text-shadow: 0 0 10px var(--neon-blue-glow);
}

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

/* Navigation */
.navbar {
    background: var(--bg-dark) !important;
    border-bottom: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--text-primary) !important;
}

.brand-text {
    background: linear-gradient(45deg, var(--neon-blue), #ffffff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-link {
    color: var(--text-secondary) !important;
    transition: all 0.3s ease;
}

.nav-link:hover {
    color: var(--neon-blue) !important;
    text-shadow: 0 0 5px var(--neon-blue-glow);
}

/* Main Content */
.main-content {
    padding-top: 80px;
    min-height: calc(100vh - 80px);
}

/* Cards */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.bg-dark-card {
    background: var(--bg-card) !important;
}

.border-neon {
    border-color: var(--neon-blue) !important;
    box-shadow: 0 0 10px var(--neon-blue-glow);
}

/* Buttons */
.btn-neon {
    background: var(--neon-blue);
    border: 1px solid var(--neon-blue);
    color: #000;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-neon:hover {
    background: transparent;
    border-color: var(--neon-blue);
    color: var(--neon-blue);
    box-shadow: 0 0 15px var(--neon-blue-glow);
    transform: translateY(-1px);
}

.btn-outline-neon {
    border: 1px solid var(--neon-blue);
    color: var(--neon-blue);
    background: transparent;
    transition: all 0.3s ease;
}

.btn-outline-neon:hover {
    background: var(--neon-blue);
    color: #000;
    box-shadow: 0 0 15px var(--neon-blue-glow);
}

/* Forms */
.form-control {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.form-control:focus {
    background: var(--bg-card);
    border-color: var(--neon-blue);
    color: var(--text-primary);
    box-shadow: 0 0 0 0.2rem var(--neon-blue-glow);
}

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

.form-select:focus {
    border-color: var(--neon-blue);
    box-shadow: 0 0 0 0.2rem var(--neon-blue-glow);
}

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

/* Hero Section */
.hero-section {
    padding: 80px 0;
    background: radial-gradient(circle at center, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    position: relative;
    overflow: hidden;
}

.hero-section::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"><circle cx="50" cy="50" r="1" fill="%2300d4ff" opacity="0.1"/></svg>');
    background-size: 50px 50px;
    animation: float 20s infinite linear;
}

@keyframes float {
    0% { transform: translateY(0px) rotate(0deg); }
    100% { transform: translateY(-10px) rotate(360deg); }
}

.hero-icon {
    font-size: 4rem;
    margin-bottom: 2rem;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    text-shadow: 0 0 20px var(--neon-blue-glow);
}

.hero-description {
    font-size: 1.2rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.login-card {
    max-width: 500px;
    margin: 0 auto;
}

/* Dashboard */
.dashboard-section {
    padding: 2rem 0;
}

.user-header {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    margin-bottom: 2rem;
}

.user-avatar {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    border: 2px solid var(--neon-blue);
    object-fit: cover;
}

.user-name {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.user-info {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Statistics Cards */
.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    transition: all 0.3s ease;
    height: 100%;
}

.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    border-color: var(--neon-blue);
}

.stat-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--neon-blue);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0;
}

/* Repository Cards */
.repo-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    height: 100%;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.repo-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    border-color: var(--neon-blue);
}

.repo-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.repo-name {
    font-size: 1.2rem;
    font-weight: 600;
    flex: 1;
}

.repo-name a {
    transition: all 0.3s ease;
}

.repo-name a:hover {
    text-shadow: 0 0 10px var(--neon-blue-glow);
}

.repo-description {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1rem;
    flex-grow: 1;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.repo-stats {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.repo-actions {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.repo-actions .btn {
    font-size: 0.8rem;
    padding: 0.4rem 0.8rem;
}

.repo-footer {
    margin-top: auto;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

/* Repository Details */
.repository-section {
    padding: 2rem 0;
}

.repo-header-section {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
}

.repo-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.owner-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    object-fit: cover;
}

.repo-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.info-item {
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

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

.info-item strong {
    color: var(--text-primary);
    margin-right: 0.5rem;
}

.topics-container {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.quick-links .btn {
    justify-content: flex-start;
}

.clone-options .form-label {
    font-weight: 600;
    color: var(--text-primary);
}

/* Features Section */
.features-section {
    padding: 80px 0;
    background: var(--bg-secondary);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.section-description {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    height: 100%;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    border-color: var(--neon-blue);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.feature-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.feature-description {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Empty State */
.empty-state {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 4rem 2rem;
}

.empty-icon {
    font-size: 4rem;
    color: var(--text-muted);
}

.empty-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.empty-description {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

/* Footer */
.footer {
    background: var(--bg-dark) !important;
    border-top: 1px solid var(--border-color);
    margin-top: auto;
}

/* Breadcrumb */
.breadcrumb {
    background: transparent;
    padding: 0;
    margin-bottom: 1rem;
}

.breadcrumb-item {
    color: var(--text-secondary);
}

.breadcrumb-item.active {
    color: var(--text-primary);
}

.breadcrumb-item + .breadcrumb-item::before {
    content: "›";
    color: var(--text-muted);
}

/* Alerts */
.alert {
    border: none;
    border-radius: 8px;
    font-weight: 500;
}

.alert-success {
    background: rgba(40, 167, 69, 0.1);
    color: var(--success-color);
    border: 1px solid rgba(40, 167, 69, 0.3);
}

.alert-danger {
    background: rgba(220, 53, 69, 0.1);
    color: var(--danger-color);
    border: 1px solid rgba(220, 53, 69, 0.3);
}

/* Badges */
.badge {
    font-size: 0.75rem;
    font-weight: 500;
    padding: 0.4rem 0.8rem;
    border-radius: 6px;
}

/* Loading Spinner */
.spinner-border {
    width: 3rem;
    height: 3rem;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .user-name {
        font-size: 1.5rem;
    }
    
    .repo-title {
        font-size: 1.8rem;
    }
    
    .stat-card {
        padding: 1rem;
    }
    
    .repo-card {
        padding: 1rem;
    }
    
    .feature-card {
        padding: 1.5rem;
    }
    
    .repo-actions {
        flex-direction: column;
    }
    
    .repo-actions .btn {
        width: 100%;
    }
}

@media (max-width: 576px) {
    .hero-section {
        padding: 40px 0;
    }
    
    .features-section {
        padding: 40px 0;
    }
    
    .user-header {
        padding: 1.5rem;
    }
    
    .repo-header-section {
        padding: 1.5rem;
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
}

/* Animation delays for AOS */
[data-aos] {
    pointer-events: none;
}

[data-aos].aos-animate {
    pointer-events: auto;
}

/* Notifications */
.notifications-section {
    padding: 2rem 0;
}

.notifications-header {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    margin-bottom: 2rem;
}

.page-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.page-description {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 0;
}

.notification-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    transition: all 0.3s ease;
}

.notification-card.unread {
    border-left: 4px solid var(--neon-blue);
    background: rgba(0, 212, 255, 0.05);
}

.notification-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.notification-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.notification-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.notification-meta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.notification-body {
    margin-bottom: 1rem;
}

.repository-info {
    margin-bottom: 0.5rem;
}

.repository-info a {
    text-decoration: none;
    transition: all 0.3s ease;
}

.repository-info a:hover {
    text-shadow: 0 0 10px var(--neon-blue-glow);
}

.notification-reason {
    margin-bottom: 0.5rem;
}

.notification-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.filter-toggle .btn-group {
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

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

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

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

::-webkit-scrollbar-thumb:hover {
    background: #00b8d4;
}