/* public/assets/css/video/ts-merger.css */

.tsm-wrapper { padding: 32px; border-radius: var(--radius-lg); }
.tsm-header { text-align: center; margin-bottom: 32px; }
.tsm-title { font-size: 2rem; font-weight: 800; color: var(--text-main); margin-bottom: 12px; letter-spacing: -0.5px; }
.tsm-subtitle { font-size: 1.05rem; color: var(--text-muted); max-width: 700px; margin: 0 auto; line-height: 1.6; }

/* 核心布局：自上而下的流程 */
.tsm-workspace { display: flex; flex-direction: column; gap: 24px; max-width: 900px; margin: 0 auto; }

.tsm-panel { background: var(--bg-surface); padding: 24px; border: 1px solid var(--border-color); border-radius: 16px; box-shadow: 0 4px 20px rgba(0,0,0,0.03); display: flex; flex-direction: column; }
.tsm-panel-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; border-bottom: 1px dashed var(--border-color); padding-bottom: 12px; }
.tsm-panel-title { font-size: 1.1rem; font-weight: 700; color: var(--text-main); margin: 0; display: flex; align-items: center; gap: 8px; }
.tsm-badge { background: rgba(var(--primary-rgb), 0.1); color: var(--primary-color); padding: 2px 10px; border-radius: 12px; font-weight: bold; font-size: 0.85rem; }

/* 巨型拖拽区 */
.tsm-drop-zone { background: rgba(var(--primary-rgb), 0.03); border: 2px dashed rgba(var(--primary-rgb), 0.3); border-radius: 16px; padding: 48px 24px; text-align: center; transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1); cursor: pointer; display: flex; flex-direction: column; align-items: center; justify-content: center; }
.tsm-drop-zone.dragover { background: rgba(var(--primary-rgb), 0.1); border-color: var(--primary-color); transform: scale(1.02); }
.tsm-drop-icon { font-size: 3rem; margin-bottom: 12px; opacity: 0.8; }
.tsm-drop-title { font-size: 1.25rem; font-weight: 700; color: var(--text-main); margin: 0 0 8px 0; }
.tsm-drop-sub { font-size: 0.95rem; color: var(--text-muted); margin: 0 0 20px 0; }

.tsm-btn-outline { background: var(--bg-body); border: 1.5px solid var(--border-color); color: var(--text-main); padding: 10px 24px; border-radius: 10px; font-size: 0.95rem; font-weight: bold; cursor: pointer; transition: 0.2s; }
.tsm-btn-outline:hover { border-color: var(--primary-color); color: var(--primary-color); background: rgba(var(--primary-rgb), 0.05); }

/* 文件列表 */
.tsm-list-container { background: var(--bg-body); border: 1px solid var(--border-color); border-radius: 12px; overflow: hidden; margin-bottom: 12px; }
.tsm-file-list { max-height: 350px; overflow-y: auto; display: flex; flex-direction: column; }
.tsm-file-list::-webkit-scrollbar { width: 8px; }
.tsm-file-list::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 4px; }
.tsm-empty-state { text-align: center; padding: 60px 20px; color: var(--text-muted); font-size: 0.95rem; }

.tsm-file-item { display: flex; align-items: center; justify-content: space-between; padding: 12px 16px; border-bottom: 1px solid var(--border-color); transition: 0.2s; font-size: 0.9rem; }
.tsm-file-item:hover { background: rgba(0,0,0,0.01); }
.tsm-item-left { display: flex; align-items: center; gap: 12px; flex: 1; min-width: 0; }
.tsm-item-idx { font-weight: bold; color: var(--text-muted); width: 30px; text-align: center; background: rgba(0,0,0,0.04); border-radius: 6px; padding: 2px 0; font-size: 0.8rem; }
.tsm-item-name { font-weight: 600; color: var(--text-main); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; font-family: ui-monospace, monospace; }
.tsm-item-size { color: var(--text-muted); font-size: 0.8rem; white-space: nowrap; }

.tsm-item-del { background: none; border: none; color: #94a3b8; cursor: pointer; padding: 4px; border-radius: 6px; transition: 0.2s; display: flex; align-items: center; justify-content: center; }
.tsm-item-del:hover { background: #fee2e2; color: #ef4444; }

.tsm-total-size { text-align: right; font-size: 0.95rem; font-weight: 700; color: var(--text-main); padding-right: 8px; }

/* 按钮组 */
.tsm-btn-group-sm { display: flex; gap: 8px; align-items: center; }
.tsm-btn-sm { background: var(--bg-body); color: var(--text-main); border: 1px solid var(--border-color); padding: 8px 16px; border-radius: 8px; font-size: 0.85rem; font-weight: 600; cursor: pointer; transition: 0.2s; }
.tsm-btn-sm:hover { background: #e2e8f0; border-color: #cbd5e1; }
.tsm-btn-sm-primary { background: var(--primary-color); color: #fff; border-color: var(--primary-color); }
.tsm-btn-sm-primary:hover { background: #2563eb; }
.tsm-btn-sm-danger { background: #fee2e2; color: #ef4444; border-color: #fca5a5; }
.tsm-btn-sm-danger:hover { background: #fecaca; color: #b91c1c; border-color: #f87171; }

/* 底部操作区 */
.tsm-action-panel { background: rgba(var(--primary-rgb), 0.02); border-color: rgba(var(--primary-rgb), 0.2); }
.tsm-form-group { margin-bottom: 20px; }
.tsm-label { display: block; font-weight: 600; color: var(--text-main); font-size: 0.95rem; margin-bottom: 8px; }
.tsm-input-row { display: flex; align-items: center; gap: 12px; }
.tsm-input { flex: 1; padding: 14px 16px; border: 1.5px solid var(--border-color); border-radius: 10px; font-size: 1rem; background: var(--bg-body); color: var(--text-main); outline: none; transition: 0.2s; font-family: ui-monospace, monospace; }
.tsm-input:focus { border-color: var(--primary-color); box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.15); }
.tsm-ext-label { font-weight: 800; font-size: 1.1rem; color: var(--text-muted); }

.tsm-btn-hero { width: 100%; border: none; padding: 16px 12px; border-radius: 12px; font-size: 1.1rem; font-weight: 800; cursor: pointer; transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1); color: #fff; text-shadow: 0 1px 2px rgba(0,0,0,0.2); display: flex; justify-content: center; align-items: center; gap: 8px; margin-bottom: 12px; }
.tsm-btn-hero:hover { transform: translateY(-3px); }
.tsm-btn-hero:active { transform: translateY(0); }
.tsm-btn-hero:disabled { opacity: 0.6; cursor: not-allowed; transform: none; box-shadow: none; }
.tsm-btn-blue { background: linear-gradient(135deg, #3b82f6, #2563eb); box-shadow: 0 8px 20px rgba(37, 99, 235, 0.3); }
.tsm-btn-blue:hover:not(:disabled) { box-shadow: 0 12px 25px rgba(37, 99, 235, 0.4); }

.tsm-progress-container { margin-bottom: 20px; animation: tsmFadeIn 0.3s ease; }
.tsm-progress-text { font-size: 0.9rem; font-weight: 600; color: var(--text-main); margin-bottom: 8px; text-align: center; }
.tsm-progress-bar { width: 100%; height: 10px; background: var(--bg-body); border-radius: 5px; overflow: hidden; border: 1px solid var(--border-color); }
.tsm-progress-fill { height: 100%; width: 0%; background: linear-gradient(90deg, #3b82f6, #60a5fa); transition: width 0.1s linear; }

.tsm-status-box { font-size: 0.9rem; font-weight: bold; text-align: center; color: var(--text-muted); transition: 0.3s; }
.tsm-status-box.success { color: #10b981; }
@keyframes tsmFadeIn { from { opacity: 0; transform: translateY(-5px); } to { opacity: 1; transform: translateY(0); } }

/* SEO Blocks */
.tsm-info-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; max-width: 900px; margin: 0 auto; }
.tsm-info-card { background: var(--bg-surface); padding: 24px; border-radius: 16px; border: 1px solid var(--border-color); }
.tsm-info-card h3 { color: var(--text-main); font-size: 1.15rem; margin-bottom: 16px; }
.tsm-desc-text { font-size: 0.95rem; color: var(--text-muted); margin: 0; }
.tsm-desc-text strong { color: var(--text-main); }

@media (max-width: 768px) {
    .tsm-info-grid { grid-template-columns: 1fr; }
    .tsm-drop-zone { padding: 32px 16px; }
}

/* 深色模式适配 */
[data-theme="dark"] .tsm-panel, [data-theme="dark"] .tsm-info-card { background: #1e293b; border-color: #334155; }
[data-theme="dark"] .tsm-drop-zone { background: rgba(var(--primary-rgb), 0.1); border-color: rgba(var(--primary-rgb), 0.4); }
[data-theme="dark"] .tsm-input, [data-theme="dark"] .tsm-btn-outline { background: #0f172a; border-color: #475569; color: #f8fafc; }
[data-theme="dark"] .tsm-list-container, [data-theme="dark"] .tsm-progress-bar { background: #0f172a; border-color: #334155; }
[data-theme="dark"] .tsm-file-item { border-color: #334155; }
[data-theme="dark"] .tsm-file-item:hover { background: rgba(255,255,255,0.02); }
[data-theme="dark"] .tsm-item-idx { background: rgba(255,255,255,0.05); }
[data-theme="dark"] .tsm-item-del:hover { background: #334155; color: #ef4444; }

[data-theme="dark"] .tsm-btn-sm { background: #0f172a; border-color: #475569; color: #f8fafc; }
[data-theme="dark"] .tsm-btn-sm:hover { background: #1e293b; }
[data-theme="dark"] .tsm-btn-sm-primary { background: var(--primary-color); border-color: var(--primary-color); }
[data-theme="dark"] .tsm-btn-sm-danger { background: rgba(239,68,68,0.1); color: #f87171; border-color: rgba(239,68,68,0.3); }
[data-theme="dark"] .tsm-btn-sm-danger:hover { background: rgba(239,68,68,0.2); }