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

:root {
    --primary-color: #3498db;
    --primary-dark: #2980b9;
    --secondary-color: #2c3e50;
    --background-dark: #1a1a2e;
    --background-medium: #16213e;
    --background-light: #0f3460;
    --text-light: #ecf0f1;
    --text-muted: #95a5a6;
    --success-color: #27ae60;
    --warning-color: #f39c12;
    --danger-color: #e74c3c;
    --border-color: #34495e;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--background-dark);
    color: var(--text-light);
    line-height: 1.6;
    min-height: 100vh;
}

/* Login Page Styles */
.login-page {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: linear-gradient(135deg, var(--background-dark) 0%, var(--background-medium) 100%);
}

.login-container {
    width: 100%;
    max-width: 420px;
    padding: 20px;
}

.login-box {
    background: var(--background-medium);
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
}

.login-box h1 {
    text-align: center;
    margin-bottom: 10px;
    color: var(--primary-color);
    font-size: 2rem;
}

.login-box .subtitle {
    text-align: center;
    color: var(--text-muted);
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-light);
}

.form-group input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    background: var(--background-dark);
    color: var(--text-light);
    transition: border-color 0.3s, box-shadow 0.3s;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
}

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.btn-full {
    width: 100%;
}

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

.btn-success:hover {
    background: #219a52;
}

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

.btn-danger:hover {
    background: #c0392b;
}

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

.btn-secondary:hover {
    background: #34495e;
}

.error-message {
    background: rgba(231, 76, 60, 0.2);
    border: 1px solid var(--danger-color);
    color: var(--danger-color);
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 20px;
    text-align: center;
}

.success-message {
    background: rgba(39, 174, 96, 0.2);
    border: 1px solid var(--success-color);
    color: var(--success-color);
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 20px;
    text-align: center;
}

/* Dashboard Layout */
.dashboard {
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
}

.header {
    background: var(--background-medium);
    padding: 15px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}

.header h1 {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.header-actions {
    display: flex;
    gap: 15px;
    align-items: center;
}

.user-info {
    color: var(--text-muted);
}

.main-content {
    display: flex;
    flex: 1;
    overflow: hidden;
}

/* Sidebar - File List */
.sidebar {
    width: 350px;
    background: var(--background-medium);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-header h2 {
    font-size: 1.1rem;
    margin-bottom: 15px;
    color: var(--text-light);
}

.search-box {
    position: relative;
}

.search-box input {
    width: 100%;
    padding: 10px 40px 10px 15px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--background-dark);
    color: var(--text-light);
    font-size: 0.9rem;
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.file-list {
    flex: 1;
    overflow-y: auto;
    padding: 10px;
}

.file-item {
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 8px;
    cursor: pointer;
    transition: all 0.2s;
    border: 1px solid transparent;
    background: var(--background-dark);
}

.file-item:hover {
    background: var(--background-light);
    border-color: var(--border-color);
}

.file-item.active {
    background: var(--background-light);
    border-color: var(--primary-color);
}

.file-item .file-name {
    font-weight: 500;
    margin-bottom: 5px;
    word-break: break-all;
    display: flex;
    align-items: center;
    gap: 8px;
}

.file-item .file-icon {
    font-size: 1.2rem;
}

.file-item .file-meta {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.file-item .file-parsed {
    font-size: 0.85rem;
    color: var(--success-color);
    margin-top: 5px;
}

.file-item .file-actions {
    margin-top: 10px;
    display: flex;
    gap: 8px;
}

.file-item .btn-small {
    padding: 5px 10px;
    font-size: 0.8rem;
    border-radius: 4px;
    text-decoration: none;
    display: inline-block;
}

/* Content Area - Preview */
.content-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: var(--background-dark);
    overflow: hidden;
}

.preview-container {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    position: relative;
    overflow: hidden;
}

.preview-placeholder {
    text-align: center;
    color: var(--text-muted);
}

.preview-placeholder .icon {
    font-size: 4rem;
    margin-bottom: 20px;
    opacity: 0.5;
}

/* Video Player Styles */
.video-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.video-container {
    flex: 1;
    position: relative;
    background: #000;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

.video-container video {
    max-width: 100%;
    max-height: 100%;
    transition: transform 0.3s;
}

.video-container.zoomed video {
    cursor: grab;
}

.video-container.zoomed.dragging video {
    cursor: grabbing;
}

/* Video Controls */
.video-controls {
    background: var(--background-medium);
    padding: 15px 20px;
    border-top: 1px solid var(--border-color);
}

.controls-row {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 10px;
}

.controls-row:last-child {
    margin-bottom: 0;
}

.progress-bar {
    flex: 1;
    height: 6px;
    background: var(--background-dark);
    border-radius: 3px;
    cursor: pointer;
    position: relative;
}

.progress-bar .progress {
    height: 100%;
    background: var(--primary-color);
    border-radius: 3px;
    position: relative;
}

.progress-bar .progress::after {
    content: '';
    position: absolute;
    right: -6px;
    top: 50%;
    transform: translateY(-50%);
    width: 12px;
    height: 12px;
    background: var(--primary-color);
    border-radius: 50%;
    opacity: 0;
    transition: opacity 0.2s;
}

.progress-bar:hover .progress::after {
    opacity: 1;
}

.control-btn {
    background: transparent;
    border: none;
    color: var(--text-light);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 8px;
    border-radius: 4px;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.control-btn:hover {
    background: var(--background-light);
    color: var(--primary-color);
}

.control-btn.active {
    color: var(--primary-color);
}

.time-display {
    font-size: 0.9rem;
    color: var(--text-muted);
    min-width: 100px;
}

.speed-control {
    display: flex;
    align-items: center;
    gap: 8px;
}

.speed-control select {
    background: var(--background-dark);
    border: 1px solid var(--border-color);
    color: var(--text-light);
    padding: 5px 10px;
    border-radius: 4px;
    cursor: pointer;
}

.zoom-control {
    display: flex;
    align-items: center;
    gap: 5px;
}

.zoom-control span {
    min-width: 50px;
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Image Preview */
.image-preview {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    transition: transform 0.3s;
}

.image-container {
    position: relative;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 100%;
}

.image-controls {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.8);
    padding: 10px 20px;
    border-radius: 8px;
    display: flex;
    gap: 15px;
}

/* Upload Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--background-medium);
    border-radius: 12px;
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    overflow: hidden;
    transform: translateY(-20px);
    transition: transform 0.3s;
}

.modal-overlay.active .modal {
    transform: translateY(0);
}

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

.modal-header h2 {
    font-size: 1.2rem;
}

.modal-close {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 5px;
    line-height: 1;
}

.modal-close:hover {
    color: var(--text-light);
}

.modal-body {
    padding: 20px;
    max-height: 60vh;
    overflow-y: auto;
}

/* Drop Zone */
.drop-zone {
    border: 2px dashed var(--border-color);
    border-radius: 12px;
    padding: 60px 40px;
    text-align: center;
    transition: all 0.3s;
    cursor: pointer;
}

.drop-zone:hover,
.drop-zone.dragover {
    border-color: var(--primary-color);
    background: rgba(52, 152, 219, 0.1);
}

.drop-zone .icon {
    font-size: 3rem;
    margin-bottom: 15px;
    color: var(--text-muted);
}

.drop-zone h3 {
    margin-bottom: 10px;
}

.drop-zone p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.drop-zone input[type="file"] {
    display: none;
}

/* Upload Progress */
.upload-list {
    margin-top: 20px;
}

.upload-item {
    background: var(--background-dark);
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 10px;
}

.upload-item .file-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
}

.upload-item .file-name {
    font-weight: 500;
    word-break: break-all;
}

.upload-item .file-size {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.upload-item .upload-progress {
    height: 4px;
    background: var(--border-color);
    border-radius: 2px;
    overflow: hidden;
}

.upload-item .upload-progress .bar {
    height: 100%;
    background: var(--primary-color);
    transition: width 0.3s;
}

.upload-item.success .upload-progress .bar {
    background: var(--success-color);
}

.upload-item.error .upload-progress .bar {
    background: var(--danger-color);
}

.upload-item .status {
    margin-top: 5px;
    font-size: 0.85rem;
}

.upload-item.success .status {
    color: var(--success-color);
}

.upload-item.error .status {
    color: var(--danger-color);
}

/* Rename Modal */
.rename-input {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--background-dark);
    color: var(--text-light);
    font-size: 1rem;
    margin-bottom: 20px;
}

.rename-input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.modal-actions {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
}

/* Fullscreen */
.fullscreen .header,
.fullscreen .sidebar {
    display: none;
}

.fullscreen .content-area {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 2000;
}

/* Snapshot notification */
.snapshot-notification {
    position: fixed;
    bottom: 100px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--success-color);
    color: white;
    padding: 15px 30px;
    border-radius: 8px;
    z-index: 3000;
    animation: fadeInOut 3s forwards;
}

@keyframes fadeInOut {
    0% { opacity: 0; transform: translateX(-50%) translateY(20px); }
    15% { opacity: 1; transform: translateX(-50%) translateY(0); }
    85% { opacity: 1; transform: translateX(-50%) translateY(0); }
    100% { opacity: 0; transform: translateX(-50%) translateY(-20px); }
}

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

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

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

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

/* Responsive */
@media (max-width: 768px) {
    .main-content {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        height: 40vh;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }

    .content-area {
        height: 60vh;
    }
}

/* Filter Tabs */
.filter-tabs {
    display: flex;
    gap: 5px;
    margin-top: 15px;
}

.filter-tab {
    flex: 1;
    padding: 8px;
    background: var(--background-dark);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.85rem;
    text-align: center;
    transition: all 0.2s;
}

.filter-tab:hover {
    border-color: var(--primary-color);
    color: var(--text-light);
}

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

/* Empty state */
.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-muted);
}

.empty-state .icon {
    font-size: 3rem;
    margin-bottom: 15px;
    opacity: 0.5;
}