/* Video Recorder - Main Styles */

/* CSS Variables */
:root {
    --primary-color: #4A90D9;
    --primary-dark: #3A7BC8;
    --secondary-color: #6C757D;
    --success-color: #28A745;
    --danger-color: #DC3545;
    --warning-color: #FFC107;
    --dark-bg: #1a1a2e;
    --darker-bg: #16162a;
    --card-bg: #252540;
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --border-color: #3a3a5c;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    --radius: 12px;
    --radius-sm: 8px;
    --transition: 0.3s ease;
}

/* Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html, body {
    height: 100%;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: var(--dark-bg);
    color: var(--text-primary);
    overflow-x: hidden;
}

/* App Container */
.app-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    max-width: 600px;
    margin: 0 auto;
    padding: 20px;
}

/* Header */
.app-header {
    text-align: center;
    padding: 20px 0;
}

.app-header h1 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 5px;
}

.app-header .tagline {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Main Content */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* Mode Selector */
.mode-selector {
    display: flex;
    gap: 10px;
    justify-content: center;
}

.mode-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
    padding: 12px 24px;
    background: var(--card-bg);
    border: 2px solid transparent;
    border-radius: var(--radius);
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
}

.mode-btn:hover {
    background: var(--border-color);
    color: var(--text-primary);
}

.mode-btn.active {
    border-color: var(--primary-color);
    color: var(--primary-color);
    background: rgba(74, 144, 217, 0.1);
}

.mode-btn i {
    font-size: 1.4rem;
}

.mode-btn span {
    font-size: 0.8rem;
    font-weight: 500;
}

/* Preview Container */
.preview-container {
    position: relative;
    background: var(--darker-bg);
    border-radius: var(--radius);
    overflow: hidden;
    aspect-ratio: 16/9;
    display: flex;
    align-items: center;
    justify-content: center;
}

#preview-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    background: #000;
}

#preview-video.mirrored {
    transform: scaleX(-1);
}

/* Upload Zone */
.upload-zone {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--darker-bg);
    border: 3px dashed var(--border-color);
    border-radius: var(--radius);
    margin: 10px;
}

.upload-zone.drag-over {
    border-color: var(--primary-color);
    background: rgba(74, 144, 217, 0.1);
}

.upload-content {
    text-align: center;
    color: var(--text-secondary);
}

.upload-content i {
    font-size: 3rem;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.upload-content p {
    font-size: 1.1rem;
    margin-bottom: 10px;
}

.upload-content span {
    display: block;
    margin: 10px 0;
    font-size: 0.9rem;
}

.upload-btn {
    display: inline-block;
    padding: 10px 24px;
    background: var(--primary-color);
    color: white;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
}

.upload-btn:hover {
    background: var(--primary-dark);
}

/* Recording Overlay */
.recording-overlay {
    position: absolute;
    top: 15px;
    left: 15px;
    right: 15px;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    pointer-events: none;
}

.recording-indicator {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: rgba(0, 0, 0, 0.6);
    border-radius: 20px;
}

.rec-dot {
    width: 12px;
    height: 12px;
    background: var(--danger-color);
    border-radius: 50%;
    animation: pulse 1s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.rec-text {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--danger-color);
}

.timer {
    padding: 8px 14px;
    background: rgba(0, 0, 0, 0.6);
    border-radius: 20px;
    font-family: 'SF Mono', 'Consolas', monospace;
    font-size: 1rem;
    font-weight: 500;
}

/* Countdown Overlay */
.countdown-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.7);
}

.countdown-number {
    font-size: 8rem;
    font-weight: 700;
    color: white;
    animation: countdownPop 1s ease-out;
}

@keyframes countdownPop {
    0% { transform: scale(0.5); opacity: 0; }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); opacity: 1; }
}

/* Audio Meter */
.audio-meter-container {
    position: absolute;
    bottom: 15px;
    left: 15px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.audio-meter {
    width: 100px;
    height: 8px;
    background: rgba(0, 0, 0, 0.5);
    border-radius: 4px;
    overflow: hidden;
}

.meter-bar {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--success-color), var(--warning-color), var(--danger-color));
    border-radius: 4px;
    transition: width 0.05s linear;
}

.meter-label {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.7);
}

/* Device Selectors */
.device-selectors {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.selector-group {
    flex: 1;
    min-width: 150px;
    max-width: 100%;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 14px;
    background: var(--card-bg);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.selector-group label {
    color: var(--text-secondary);
    font-size: 1rem;
    flex-shrink: 0;
}

.selector-group select {
    flex: 1;
    min-width: 0;
    background: var(--darker-bg);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 0.85rem;
    padding: 8px 30px 8px 10px;
    cursor: pointer;
    outline: none;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23a0a0b0' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    text-overflow: ellipsis;
    white-space: nowrap;
    overflow: hidden;
}

.selector-group select:focus {
    border-color: var(--primary-color);
}

.selector-group select option {
    background: var(--card-bg);
    color: var(--text-primary);
    padding: 8px;
}

/* Recording Controls */
.recording-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 30px;
    padding: 20px 0;
}

.control-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--card-bg);
    border: none;
    color: var(--text-primary);
    font-size: 1.2rem;
    cursor: pointer;
    transition: var(--transition);
}

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

.control-btn.muted {
    color: var(--danger-color);
}

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

/* Record Button */
.record-btn {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    border: 4px solid var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.record-btn:hover {
    border-color: var(--danger-color);
}

.record-btn .record-icon {
    width: 60px;
    height: 60px;
    background: var(--danger-color);
    border-radius: 50%;
    transition: var(--transition);
}

.record-btn.recording .record-icon {
    width: 30px;
    height: 30px;
    border-radius: 6px;
}

.record-btn.paused .record-icon {
    background: var(--warning-color);
}

/* Settings Row */
.settings-row {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.setting-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    cursor: pointer;
}

.setting-toggle input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--primary-color);
}

/* Hidden */
.hidden {
    display: none !important;
}

/* Review Panel */
.review-panel {
    position: fixed;
    inset: 0;
    background: var(--dark-bg);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    padding: 20px;
    overflow-y: auto;
}

.review-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.review-header h2 {
    font-size: 1.5rem;
}

.close-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--card-bg);
    border: none;
    color: var(--text-primary);
    font-size: 1.2rem;
    cursor: pointer;
    transition: var(--transition);
}

.close-btn:hover {
    background: var(--border-color);
}

.review-preview {
    background: #000;
    border-radius: var(--radius);
    overflow: hidden;
    margin-bottom: 20px;
}

#review-video {
    width: 100%;
    max-height: 50vh;
    object-fit: contain;
}

.review-info {
    display: flex;
    gap: 30px;
    justify-content: center;
    margin-bottom: 20px;
    color: var(--text-secondary);
}

.info-item {
    display: flex;
    gap: 8px;
}

.info-value {
    color: var(--text-primary);
    font-weight: 500;
}

/* Processing Status */
.processing-status {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 15px;
    background: var(--card-bg);
    border-radius: var(--radius-sm);
    margin-bottom: 20px;
}

/* Download Options */
.download-options {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 20px;
}

.download-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 15px 20px;
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
}

.download-btn:hover {
    border-color: var(--primary-color);
    background: rgba(74, 144, 217, 0.1);
}

.download-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

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

.download-btn.primary:hover {
    background: var(--primary-dark);
}

.download-btn i {
    font-size: 1.3rem;
    width: 30px;
}

.download-btn span {
    flex: 1;
    text-align: left;
}

.download-btn small {
    color: var(--text-secondary);
    font-size: 0.8rem;
}

/* Review Actions */
.review-actions {
    display: flex;
    gap: 15px;
}

.action-btn {
    flex: 1;
    padding: 14px 20px;
    border-radius: var(--radius-sm);
    border: none;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.action-btn.secondary {
    background: var(--card-bg);
    color: var(--text-primary);
}

.action-btn.secondary:hover {
    background: var(--border-color);
}

.action-btn:not(.secondary) {
    background: var(--primary-color);
    color: white;
}

.action-btn:not(.secondary):hover {
    background: var(--primary-dark);
}

/* FFmpeg Loading */
.ffmpeg-loading {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.9);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.loading-content {
    text-align: center;
    padding: 40px;
}

.loading-content h3 {
    margin: 20px 0 10px;
    font-size: 1.4rem;
}

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

.progress-bar {
    width: 250px;
    height: 8px;
    background: var(--card-bg);
    border-radius: 4px;
    overflow: hidden;
    margin: 0 auto 10px;
}

.progress {
    height: 100%;
    width: 0%;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

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

/* Spinner */
.spinner {
    width: 24px;
    height: 24px;
    border: 3px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.spinner.large {
    width: 50px;
    height: 50px;
    border-width: 4px;
}

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

/* Toast Container */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 3000;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    padding: 12px 20px;
    background: var(--card-bg);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow);
    transform: translateX(120%);
    transition: transform 0.3s ease;
}

.toast.toast-visible {
    transform: translateX(0);
}

.toast-success {
    border-left: 4px solid var(--success-color);
}

.toast-error {
    border-left: 4px solid var(--danger-color);
}

.toast-info {
    border-left: 4px solid var(--primary-color);
}

/* Responsive */
@media (max-width: 480px) {
    .app-container {
        padding: 15px;
    }

    .app-header h1 {
        font-size: 1.4rem;
    }

    .mode-btn {
        padding: 10px 16px;
    }

    .mode-btn i {
        font-size: 1.2rem;
    }

    .device-selectors {
        flex-direction: column;
    }

    .selector-group {
        min-width: 100%;
    }

    .selector-group select {
        font-size: 0.8rem;
    }

    .recording-controls {
        gap: 20px;
    }

    .record-btn {
        width: 70px;
        height: 70px;
    }

    .record-btn .record-icon {
        width: 52px;
        height: 52px;
    }

    .control-btn {
        width: 44px;
        height: 44px;
    }
}

/* Screen Recording Mode Indicator */
.preview-container.screen-mode::before {
    content: 'Screen Sharing Active';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    padding: 10px 20px;
    background: rgba(0, 0, 0, 0.7);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.9rem;
    z-index: 1;
}

.preview-container.screen-mode #preview-video {
    opacity: 0.3;
}

/* Pause Button State */
.record-btn.can-pause:hover .record-icon {
    background: var(--warning-color);
}