/* ============================================================
   视频工具公共样式（用于 /video/ 下所有子工具页面）
   需在 common.css 和 tool-common.css 之后引入
   ============================================================ */

/* ---- 设置面板 ---- */
.settings-panel {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px 24px;
    margin: 20px 0 16px;
    padding: 20px 0;
    border-top: 1px solid #eef2f6;
    border-bottom: 1px solid #eef2f6;
}
.settings-panel .setting-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.settings-panel .setting-group label {
    font-size: 13px;
    font-weight: 500;
    color: #0f172a;
}
.settings-panel .setting-group select,
.settings-panel .setting-group input[type="number"],
.settings-panel .setting-group input[type="range"] {
    padding: 6px 10px;
    border-radius: 8px;
    border: 1px solid #cbd5e1;
    background: #fff;
    font-size: 14px;
    outline: none;
    transition: border 0.2s;
    width: 100%;
}
.settings-panel .setting-group select:focus,
.settings-panel .setting-group input[type="number"]:focus,
.settings-panel .setting-group input[type="range"]:focus {
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}
.settings-panel .setting-group .range-wrap {
    display: flex;
    align-items: center;
    gap: 12px;
}
.settings-panel .setting-group .range-wrap input[type="range"] {
    flex: 1;
    padding: 0;
    height: 6px;
    border-radius: 4px;
    background: #e2e8f0;
    -webkit-appearance: none;
    appearance: none;
    border: none;
}
.settings-panel .setting-group .range-wrap input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #2563eb;
    cursor: pointer;
    border: 2px solid #fff;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
}
.settings-panel .setting-group .range-wrap input[type="range"]::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #2563eb;
    cursor: pointer;
    border: 2px solid #fff;
}
.settings-panel .setting-group .range-value {
    min-width: 42px;
    font-weight: 600;
    color: #0f172a;
    font-size: 14px;
    text-align: center;
}
.settings-panel .setting-group .hint-text {
    font-size: 12px;
    color: #94a3b8;
    margin-top: 2px;
}
.settings-panel .setting-group .input-with-suffix {
    display: flex;
    align-items: center;
    gap: 4px;
}
.settings-panel .setting-group .input-with-suffix input {
    flex: 1;
}
.settings-panel .setting-group .input-with-suffix .suffix {
    font-size: 13px;
    color: #64748b;
    white-space: nowrap;
}
.settings-panel .setting-group .checkbox-group {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 4px;
}
.settings-panel .setting-group .checkbox-group input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: #2563eb;
    cursor: pointer;
}
.settings-panel .setting-group .checkbox-group label {
    font-weight: 400;
    font-size: 14px;
    color: #334155;
    cursor: pointer;
}

/* ---- 状态徽章 ---- */
.status-badge {
    display: inline-block;
    padding: 4px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
    background: #e2e8f0;
    color: #64748b;
    transition: all 0.3s;
}
.status-badge.ready {
    background: #dbeafe;
    color: #2563eb;
}
.status-badge.loading {
    background: #fef3c7;
    color: #d97706;
}
.status-badge.processing {
    background: #fef3c7;
    color: #d97706;
    animation: pulse-badge 1.2s ease-in-out infinite;
}
.status-badge.done {
    background: #dcfce7;
    color: #16a34a;
}
.status-badge.error {
    background: #fee2e2;
    color: #dc2626;
}
@keyframes pulse-badge {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

/* ---- 进度条 ---- */
.progress-wrap {
    display: none;
    margin: 16px 0 12px;
}
.progress-bar {
    width: 100%;
    height: 8px;
    background: #e2e8f0;
    border-radius: 8px;
    overflow: hidden;
}
.progress-bar .fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, #2563eb, #60a5fa);
    border-radius: 8px;
    transition: width 0.3s ease;
}
.progress-text {
    display: flex;
    justify-content: space-between;
    font-size: 13px;
    color: #64748b;
    margin-top: 6px;
}
.progress-text .percent {
    font-weight: 600;
    color: #0f172a;
}

/* ---- 预览对比网格 ---- */
.preview-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin: 16px 0 20px;
}
.preview-item {
    background: #0f172a;
    border-radius: 12px;
    overflow: hidden;
    position: relative;
    min-height: 160px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.preview-item video,
.preview-item img {
    display: block;
    width: 100%;
    max-height: 320px;
    object-fit: contain;
    background: #0f172a;
}
.preview-item .label {
    position: absolute;
    top: 12px;
    left: 12px;
    background: rgba(0, 0, 0, 0.7);
    color: #fff;
    padding: 2px 14px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
    backdrop-filter: blur(4px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 2;
}
.preview-item .placeholder {
    color: #94a3b8;
    text-align: center;
    padding: 30px 16px;
    font-size: 14px;
    z-index: 1;
}
.preview-item .placeholder .icon {
    font-size: 40px;
    display: block;
    margin-bottom: 8px;
}
.preview-item .size-tag {
    position: absolute;
    bottom: 12px;
    right: 12px;
    background: rgba(0, 0, 0, 0.7);
    color: #e2e8f0;
    padding: 2px 12px;
    border-radius: 10px;
    font-size: 11px;
    backdrop-filter: blur(4px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    z-index: 2;
}
.preview-item .size-tag .highlight {
    color: #60a5fa;
    font-weight: 600;
}
.preview-item .size-tag .saved {
    color: #4ade80;
}
@media (max-width: 768px) {
    .preview-grid {
        grid-template-columns: 1fr;
    }
}

/* ---- 视频控制条 ---- */
.video-controls {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    padding: 8px 12px;
    background: #f8fafc;
    border-radius: 10px;
    border: 1px solid #eef2f6;
    margin: 4px 0 12px;
}
.video-controls button {
    background: #e2e8f0;
    border: none;
    padding: 4px 16px;
    border-radius: 16px;
    font-size: 13px;
    cursor: pointer;
    transition: background 0.2s;
    color: #1e293b;
}
.video-controls button:hover {
    background: #cbd5e1;
}
.video-controls .time-display {
    font-size: 14px;
    font-weight: 500;
    color: #0f172a;
    min-width: 70px;
    font-variant-numeric: tabular-nums;
}
.video-controls input[type="range"] {
    flex: 1;
    min-width: 80px;
    accent-color: #2563eb;
}

/* ---- 时间轴 ---- */
.timeline-section {
    margin: 12px 0 8px;
    padding: 16px 18px;
    background: #f8fafc;
    border-radius: 12px;
    border: 1px solid #eef2f6;
}
.timeline-section .time-labels {
    display: flex;
    justify-content: space-between;
    font-size: 13px;
    color: #64748b;
    margin-bottom: 4px;
}
.timeline-section .time-labels .start-label {
    color: #2563eb;
    font-weight: 500;
}
.timeline-section .time-labels .end-label {
    color: #dc2626;
    font-weight: 500;
}
.timeline-section .range-slider-wrap {
    position: relative;
    height: 32px;
    display: flex;
    align-items: center;
}
.timeline-section input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    position: absolute;
    width: 100%;
    height: 6px;
    background: transparent;
    pointer-events: none;
    outline: none;
}
.timeline-section input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    cursor: pointer;
    pointer-events: auto;
    border: 2px solid #fff;
    box-shadow: 0 1px 6px rgba(0, 0, 0, 0.25);
    z-index: 2;
    position: relative;
}
.timeline-section input[type="range"]::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    cursor: pointer;
    pointer-events: auto;
    border: 2px solid #fff;
    box-shadow: 0 1px 6px rgba(0, 0, 0, 0.25);
}
.timeline-section input[type="range"]::-webkit-slider-runnable-track {
    height: 6px;
    background: #e2e8f0;
    border-radius: 4px;
}
.timeline-section input[type="range"]::-moz-range-track {
    height: 6px;
    background: #e2e8f0;
    border-radius: 4px;
}
.timeline-section #startSlider::-webkit-slider-thumb {
    background: #2563eb;
    z-index: 3;
}
.timeline-section #startSlider::-moz-range-thumb {
    background: #2563eb;
}
.timeline-section #endSlider::-webkit-slider-thumb {
    background: #dc2626;
    z-index: 3;
}
.timeline-section #endSlider::-moz-range-thumb {
    background: #dc2626;
}
.timeline-section .track-highlight {
    position: absolute;
    height: 6px;
    background: #2563eb;
    border-radius: 4px;
    top: 50%;
    transform: translateY(-50%);
    left: 0%;
    width: 100%;
    pointer-events: none;
    opacity: 0.25;
}
.timeline-section .track-selected {
    position: absolute;
    height: 6px;
    background: #2563eb;
    border-radius: 4px;
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
    z-index: 1;
}
.timeline-section .time-details {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 8px;
    font-size: 14px;
    color: #475569;
    flex-wrap: wrap;
    gap: 8px;
}
.timeline-section .time-details .segment {
    display: flex;
    align-items: center;
    gap: 6px;
}
.timeline-section .time-details .segment .val {
    font-weight: 600;
    color: #0f172a;
    font-variant-numeric: tabular-nums;
}
.timeline-section .time-details .segment .val.start-val {
    color: #2563eb;
}
.timeline-section .time-details .segment .val.end-val {
    color: #dc2626;
}
.timeline-section .time-details .segment .val.dur-val {
    color: #16a34a;
}

/* ---- 视频预览包裹器（带 Canvas 覆盖） ---- */
.preview-wrapper {
    position: relative;
    margin: 16px 0 12px;
    background: #0f172a;
    border-radius: 12px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 240px;
}
.preview-wrapper video {
    display: block;
    width: 100%;
    max-height: 480px;
    object-fit: contain;
    background: #0f172a;
}
.preview-wrapper canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    cursor: crosshair;
    touch-action: none;
}
.preview-wrapper .placeholder {
    color: #94a3b8;
    text-align: center;
    padding: 40px 20px;
    font-size: 15px;
    position: absolute;
    z-index: 1;
}
.preview-wrapper .placeholder .big-icon {
    font-size: 56px;
    display: block;
    margin-bottom: 12px;
}

/* ---- iframe 内嵌适配 ---- */
body.in-iframe .header,
body.in-iframe .category-nav,
body.in-iframe .breadcrumb,
body.in-iframe .footer,
body.in-iframe .tool-header {
    display: none !important;
}
body.in-iframe .upload-area {
    display: none !important;
}
body.in-iframe .container {
    max-width: 100%;
    padding: 0;
}
body.in-iframe .tool-main {
    border-radius: 0;
    border: none;
    box-shadow: none;
    padding: 16px 20px;
    margin: 0;
    background: transparent;
}
body.in-iframe .settings-panel {
    padding: 12px 0;
    margin: 12px 0;
}
body.in-iframe .action-buttons {
    gap: 12px;
}
body.in-iframe .action-buttons .btn-primary,
body.in-iframe .action-buttons .btn-secondary,
body.in-iframe .action-buttons .btn-success {
    padding: 8px 24px;
    font-size: 15px;
}
body.in-iframe .preview-item {
    min-height: 120px;
}
body.in-iframe .preview-item video {
    max-height: 200px;
}

/* ---- 响应式 ---- */
@media (max-width: 768px) {
    .settings-panel {
        grid-template-columns: 1fr 1fr;
        gap: 12px 16px;
    }
    .preview-wrapper {
        min-height: 160px;
    }
    .timeline-section {
        padding: 12px;
    }
    .timeline-section .time-details {
        flex-direction: column;
        align-items: stretch;
        gap: 4px;
    }
    .video-controls {
        flex-wrap: wrap;
    }
    .video-controls input[type="range"] {
        flex: 1 1 100%;
    }
    body.in-iframe .tool-main {
        padding: 12px 12px;
    }
    body.in-iframe .preview-item video {
        max-height: 160px;
    }
}
@media (max-width: 480px) {
    .settings-panel {
        grid-template-columns: 1fr;
    }
    .preview-wrapper {
        min-height: 120px;
    }
    .preview-item {
        min-height: 120px;
    }
    body.in-iframe .preview-item video {
        max-height: 120px;
    }
}