/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2563eb;
    --secondary-color: #64748b;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --dark-bg: #0f172a;
    --card-bg: #1e293b;
    --border-color: #334155;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

/* Header */
.header {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 20px 30px;
    margin-bottom: 30px;
    box-shadow: var(--shadow);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo i {
    font-size: 32px;
    color: var(--primary-color);
}

.logo h1 {
    font-size: 28px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), #3b82f6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav {
    display: flex;
    gap: 10px;
}

.nav-btn {
    padding: 12px 24px;
    background: transparent;
    border: 2px solid var(--border-color);
    color: var(--text-secondary);
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-2px);
}

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

/* Main Content */
.main-content {
    min-height: calc(100vh - 200px);
}

.tab-content {
    display: none;
    animation: fadeIn 0.3s ease;
}

.tab-content.active {
    display: block;
}

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

/* Upload Section */
.upload-card {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 40px;
    box-shadow: var(--shadow-lg);
    max-width: 800px;
    margin: 0 auto;
}

.upload-area {
    border: 3px dashed var(--border-color);
    border-radius: 12px;
    padding: 60px 40px;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
}

.upload-area:hover {
    border-color: var(--primary-color);
    background: rgba(37, 99, 235, 0.05);
}

.upload-area.drag-over {
    border-color: var(--primary-color);
    background: rgba(37, 99, 235, 0.1);
    transform: scale(1.02);
}

.upload-icon {
    font-size: 64px;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.upload-area h2 {
    font-size: 24px;
    margin-bottom: 10px;
}

.upload-area p {
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.file-info {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.file-info p {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 5px 0;
}

/* Buttons */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

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

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

.btn-primary:hover {
    background: #1d4ed8;
}

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

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

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

.btn-block {
    width: 100%;
    justify-content: center;
}

.btn-icon {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 20px;
    padding: 8px;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.btn-icon:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

/* Selected File */
.selected-file {
    margin-top: 30px;
}

.file-details {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px;
    background: rgba(37, 99, 235, 0.1);
    border: 2px solid var(--primary-color);
    border-radius: 8px;
    margin-bottom: 20px;
}

.file-icon {
    font-size: 40px;
    color: var(--primary-color);
}

.file-meta {
    flex: 1;
}

.file-meta h3 {
    font-size: 16px;
    margin-bottom: 5px;
}

.file-meta p {
    font-size: 14px;
    color: var(--text-secondary);
}

/* Progress */
.upload-progress,
.processing-status {
    margin-top: 30px;
}

.progress-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.progress-bar {
    height: 12px;
    background: var(--border-color);
    border-radius: 6px;
    overflow: hidden;
    margin-bottom: 10px;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), #3b82f6);
    transition: width 0.3s ease;
    border-radius: 6px;
}

.progress-status {
    color: var(--text-secondary);
    font-size: 14px;
}

.progress-percent {
    text-align: center;
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
    margin: 10px 0;
}

/* Processing Status */
.status-card {
    text-align: center;
    padding: 40px;
    background: rgba(37, 99, 235, 0.05);
    border: 2px solid var(--primary-color);
    border-radius: 12px;
}

.status-icon {
    font-size: 64px;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.resolution-status {
    margin-top: 20px;
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.resolution-badge {
    padding: 8px 16px;
    background: var(--border-color);
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
}

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

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

/* Success Message */
.success-card {
    text-align: center;
    padding: 40px;
}

.success-icon {
    font-size: 80px;
    color: var(--success-color);
    margin-bottom: 20px;
}

.success-card h3 {
    font-size: 28px;
    margin-bottom: 10px;
}

.success-card p {
    color: var(--text-secondary);
    margin-bottom: 30px;
}

.video-info {
    background: rgba(16, 185, 129, 0.1);
    border: 2px solid var(--success-color);
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 30px;
    text-align: left;
}

.video-info p {
    margin: 8px 0;
    font-size: 14px;
}

.action-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
}

/* Videos Grid */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.section-header h2 {
    display: flex;
    align-items: center;
    gap: 10px;
}

.videos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.video-card {
    background: var(--card-bg);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    cursor: pointer;
}

.video-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.video-thumbnail {
    width: 100%;
    height: 180px;
    background: linear-gradient(135deg, #1e293b, #334155);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.video-thumbnail i {
    font-size: 48px;
    color: var(--primary-color);
}

.play-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.video-card:hover .play-overlay {
    opacity: 1;
}

.play-button {
    width: 60px;
    height: 60px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.video-card-body {
    padding: 20px;
}

.video-card-body h3 {
    font-size: 16px;
    margin-bottom: 10px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.video-meta {
    display: flex;
    justify-content: space-between;
    font-size: 14px;
    color: var(--text-secondary);
}

/* Jobs List */
.filter-buttons {
    display: flex;
    gap: 10px;
}

.filter-btn {
    padding: 8px 16px;
    background: transparent;
    border: 2px solid var(--border-color);
    color: var(--text-secondary);
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.filter-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

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

.jobs-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.job-card {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 20px;
    box-shadow: var(--shadow);
}

.job-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.job-title {
    font-size: 16px;
    font-weight: 600;
}

.job-status {
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.job-status.active {
    background: rgba(37, 99, 235, 0.2);
    color: var(--primary-color);
}

.job-status.completed {
    background: rgba(16, 185, 129, 0.2);
    color: var(--success-color);
}

.job-status.failed {
    background: rgba(239, 68, 68, 0.2);
    color: var(--danger-color);
}

.job-status.waiting {
    background: rgba(245, 158, 11, 0.2);
    color: var(--warning-color);
}

.job-progress {
    margin-top: 15px;
}

.job-meta {
    display: flex;
    justify-content: space-between;
    font-size: 14px;
    color: var(--text-secondary);
    margin-top: 10px;
}

/* Loading */
.loading {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
}

.loading i {
    font-size: 48px;
    margin-bottom: 15px;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--card-bg);
    border-radius: 12px;
    max-width: 900px;
    width: 100%;
    max-height: 90vh;
    overflow: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 30px;
    border-bottom: 1px solid var(--border-color);
}

.modal-body {
    padding: 30px;
}

#videoPlayer {
    width: 100%;
    border-radius: 8px;
    margin-bottom: 20px;
}

/* Footer */
.footer {
    text-align: center;
    padding: 30px 20px;
    color: var(--text-secondary);
    font-size: 14px;
    margin-top: 50px;
}

/* Responsive */
@media (max-width: 768px) {
    .header {
        flex-direction: column;
        text-align: center;
    }

    .nav {
        width: 100%;
        flex-wrap: wrap;
    }

    .nav-btn {
        flex: 1;
        min-width: 120px;
    }

    .upload-card {
        padding: 20px;
    }

    .upload-area {
        padding: 40px 20px;
    }

    .videos-grid {
        grid-template-columns: 1fr;
    }

    .action-buttons {
        flex-direction: column;
    }

    .section-header {
        flex-direction: column;
        gap: 15px;
    }

    .filter-buttons {
        width: 100%;
        flex-wrap: wrap;
    }

    .filter-btn {
        flex: 1;
    }
}