:root {
    --primary-color: #FFC107;
    --secondary-color: #FF9800;
    --dark-bg: #121212;
    --dark-surface: #1E1E1E;
    --dark-card: #2A2A2A;
    --text-primary: #FFFFFF;
    --text-secondary: #B0B0B0;
    --border-color: #333333;
    --success-color: #4CAF50;
    --danger-color: #F44336;
    --warning-color: #FFC107;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
}

[data-theme="dark"] {
    background-color: var(--dark-bg);
    color: var(--text-primary);
}

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

.navbar {
    backdrop-filter: blur(10px);
    background-color: rgba(30, 30, 30, 0.95) !important;
    border-bottom: 1px solid var(--border-color);
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 800;
}

.nav-link {
    color: var(--text-secondary) !important;
    transition: color 0.3s ease;
    font-weight: 500;
}

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

.btn-warning {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: #000 !important;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-warning:hover {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
    color: #000 !important;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 193, 7, 0.3);
}

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

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    border-color: var(--primary-color);
}

.hero-section {
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(255, 193, 7, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-section .container,
.hero-section .row,
.hero-section .col-lg-6 {
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 4px;
    background-color: var(--primary-color);
    border-radius: 2px;
}

.project-card {
    position: relative;
    overflow: hidden;
    border-radius: 12px;
    background-color: var(--dark-card);
}

.project-card-image {
    width: 100%;
    height: 220px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.project-card:hover .project-card-image {
    transform: scale(1.05);
}

.project-card-body {
    padding: 1.5rem;
}

.project-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.project-category {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background-color: rgba(255, 193, 7, 0.1);
    color: var(--primary-color);
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.75rem;
}

.progress {
    height: 8px;
    background-color: var(--dark-surface);
    border-radius: 10px;
    overflow: hidden;
}

.progress-bar {
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    transition: width 0.3s ease;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.stat-item {
    text-align: center;
    padding: 1rem;
    background-color: var(--dark-surface);
    border-radius: 8px;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

.video-feed-container {
    position: relative;
    height: calc(100vh - 70px);
    overflow-y: scroll;
    scroll-snap-type: y mandatory;
    -webkit-overflow-scrolling: touch;
}

.video-feed-item {
    position: relative;
    height: calc(100vh - 70px);
    scroll-snap-align: start;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #000;
}

.video-feed-video {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.video-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 2rem;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8) 0%, transparent 100%);
}

.video-actions {
    position: absolute;
    right: 1rem;
    bottom: 8rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.video-action-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border: none;
    color: white;
    font-size: 1.25rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}

.video-action-btn:hover {
    background-color: var(--primary-color);
    transform: scale(1.1);
}

.video-action-count {
    font-size: 0.75rem;
    margin-top: 0.25rem;
}

.badge-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background-color: var(--dark-card);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.badge-icon {
    font-size: 2.5rem;
}

.badge-info h6 {
    margin: 0;
    font-weight: 600;
}

.badge-info p {
    margin: 0;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.form-control,
.form-select {
    background-color: var(--dark-surface);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 8px;
    padding: 0.75rem 1rem;
}

.form-control:focus,
.form-select:focus {
    background-color: var(--dark-surface);
    border-color: var(--primary-color);
    color: var(--text-primary);
    box-shadow: 0 0 0 0.2rem rgba(255, 193, 7, 0.25);
}

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

.auth-container {
    min-height: calc(100vh - 70px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 0;
}

.auth-card {
    max-width: 450px;
    width: 100%;
    padding: 2.5rem;
    background-color: var(--dark-card);
    border-radius: 16px;
    border: 1px solid var(--border-color);
}

.auth-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    text-align: center;
}

.auth-subtitle {
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 2rem;
}

.mobile-bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--dark-surface);
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-around;
    padding: 0.75rem 0;
    z-index: 1000;
}

.mobile-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.75rem;
    transition: color 0.3s ease;
}

.mobile-nav-item i {
    font-size: 1.25rem;
}

.mobile-nav-item.active,
.mobile-nav-item:hover {
    color: var(--primary-color);
}

.filter-pills {
    display: flex;
    gap: 0.5rem;
    overflow-x: auto;
    padding: 1rem 0;
    -webkit-overflow-scrolling: touch;
}

.filter-pill {
    padding: 0.5rem 1.25rem;
    background-color: var(--dark-surface);
    border: 1px solid var(--border-color);
    border-radius: 25px;
    color: var(--text-secondary);
    text-decoration: none;
    white-space: nowrap;
    transition: all 0.3s ease;
    font-weight: 500;
}

.filter-pill:hover,
.filter-pill.active {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: #000;
}

.alert {
    border-radius: 8px;
    border: none;
    padding: 1rem 1.25rem;
}

.alert-success {
    background-color: rgba(76, 175, 80, 0.1);
    color: var(--success-color);
    border-left: 4px solid var(--success-color);
}

.alert-danger {
    background-color: rgba(244, 67, 54, 0.1);
    color: var(--danger-color);
    border-left: 4px solid var(--danger-color);
}

.alert-warning {
    background-color: rgba(255, 193, 7, 0.1);
    color: var(--warning-color);
    border-left: 4px solid var(--warning-color);
}

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

.table-dark {
    background-color: var(--dark-card);
    border-color: var(--border-color);
}

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

.modal-content {
    background-color: var(--dark-card);
    border: 1px solid var(--border-color);
}

.modal-header {
    border-bottom-color: var(--border-color);
}

.modal-footer {
    border-top-color: var(--border-color);
}

.dropdown-menu {
    background-color: var(--dark-card);
    border: 1px solid var(--border-color);
}

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

.dropdown-item:hover {
    background-color: var(--dark-surface);
    color: var(--primary-color);
}

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

.text-muted {
    color: #999999 !important;
}

.bg-dark .text-muted {
    color: #AAAAAA !important;
}

/* Testimonials Gallery Styles */
.testimonials-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.testimonial-card {
    background: var(--dark-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.testimonial-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 10px 30px rgba(255, 193, 7, 0.2);
}

.testimonial-content {
    flex: 1;
    padding: 2rem;
}

.quote-icon {
    font-size: 2rem;
    color: var(--primary-color);
    opacity: 0.3;
    margin-bottom: 1rem;
}

.stars {
    color: var(--primary-color);
}

.stars i {
    font-size: 1rem;
    margin-right: 0.25rem;
}

.testimonial-text {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    font-style: italic;
}

.project-badge {
    display: inline-block;
    background: rgba(255, 193, 7, 0.1);
    color: var(--primary-color);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    margin-bottom: 1.5rem;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem 2rem;
    border-top: 1px solid var(--border-color);
}

.testimonial-author img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--primary-color);
}

.avatar-placeholder {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--dark-surface);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 1.5rem;
}

.author-info h6 {
    margin: 0;
    font-weight: 600;
    color: var(--text-primary);
}

.author-info span {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

@media (max-width: 768px) {
    .testimonials-gallery {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .testimonial-card {
        padding: 1.5rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .main-content {
        margin-bottom: 70px;
    }
    
    .video-feed-container {
        height: calc(100vh - 140px);
    }
    
    .video-feed-item {
        height: calc(100vh - 140px);
    }
}

@media (min-width: 769px) {
    .mobile-bottom-nav {
        display: none;
    }
}

.spinner-border {
    border-color: var(--primary-color);
    border-right-color: transparent;
}

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--dark-surface);
}

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

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}