*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--primary:#6366f1;--primary-hover:#4f46e5;--primary-light:#6366f11a;--green:#22c55e;--red:#ef4444;--orange:#f59e0b;--gray-50:#f9fafb;--gray-100:#f3f4f6;--gray-200:#e5e7eb;--gray-300:#d1d5db;--gray-400:#9ca3af;--gray-500:#6b7280;--gray-700:#374151;--gray-900:#111827;--radius:12px;--shadow:0 1px 3px #0000001a, 0 1px 2px #0000000f;--shadow-lg:0 4px 6px #00000012, 0 10px 15px #0000001a}body{background:var(--gray-50);color:var(--gray-700);min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;line-height:1.6}.app-layout{flex-direction:column;min-height:100vh;display:flex}.app-header{border-bottom:1px solid var(--gray-200);z-index:50;box-shadow:var(--shadow);background:#fff;position:sticky;top:0}.header-inner{justify-content:space-between;align-items:center;max-width:960px;height:60px;margin:0 auto;padding:0 24px;display:flex}.app-title{color:var(--gray-900);cursor:pointer;-webkit-user-select:none;user-select:none;font-size:20px;font-weight:700}.app-nav{gap:4px;display:flex}.nav-btn{cursor:pointer;color:var(--gray-500);background:0 0;border:none;border-radius:8px;padding:8px 16px;font-size:14px;transition:all .15s}.nav-btn:hover{background:var(--gray-100);color:var(--gray-700)}.nav-btn.active{background:var(--primary-light);color:var(--primary);font-weight:600}.app-main{flex:1;width:100%;max-width:960px;margin:0 auto;padding:32px 24px}.upload-card{border-radius:var(--radius);text-align:center;box-shadow:var(--shadow);border:1px solid var(--gray-200);background:#fff;padding:48px 32px}.upload-icon{margin-bottom:12px;font-size:48px}.upload-card h2{color:var(--gray-900);margin-bottom:8px;font-size:22px}.upload-hint{color:var(--gray-400);margin-bottom:24px;font-size:14px}.file-input{display:none}.file-label{border:2px dashed var(--gray-300);cursor:pointer;color:var(--gray-500);border-radius:8px;margin-bottom:16px;padding:10px 24px;font-size:14px;transition:all .15s;display:inline-block}.file-label:hover{border-color:var(--primary);color:var(--primary)}.btn{cursor:pointer;border:none;border-radius:8px;align-items:center;gap:6px;padding:10px 24px;font-size:14px;font-weight:600;text-decoration:none;transition:all .15s;display:inline-flex}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-hover)}.btn-secondary{background:var(--gray-100);color:var(--gray-700)}.btn-secondary:hover{background:var(--gray-200)}.upload-progress{margin:16px 0}.progress-bar{background:var(--gray-100);border-radius:3px;height:6px;margin-bottom:12px;overflow:hidden}.progress-fill{background:var(--primary);border-radius:3px;height:100%;transition:width .3s}.progress-fill.indeterminate{width:30%;animation:1.5s infinite progress-indeterminate}@keyframes progress-indeterminate{0%{transform:translate(-100%)}to{transform:translate(400%)}}.upload-success p{font-size:15px}.task-id{color:var(--gray-400);margin-top:4px;font-family:monospace;font-size:12px}.upload-error p{color:var(--red);margin-bottom:12px}.status-card{border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid var(--gray-200);text-align:center;background:#fff;margin-top:24px;padding:32px}.status-header{justify-content:center;align-items:center;gap:8px;margin-bottom:16px;display:flex}.status-icon{font-size:32px}.status-label{color:var(--gray-900);font-size:18px;font-weight:600}.progress-text{color:var(--gray-500);margin:8px 0;font-size:14px}.elapsed-text{color:var(--gray-400);margin-bottom:8px;font-family:monospace;font-size:12px}.status-meta{color:var(--gray-400);justify-content:center;gap:16px;font-size:12px;display:flex}.status-actions{flex-direction:column;align-items:center;gap:16px;margin-top:20px;display:flex}.video-preview{width:100%;max-width:560px;box-shadow:var(--shadow-lg);border-radius:8px}.status-error{color:var(--red);margin-top:16px;font-size:14px}.confirm-cancel{text-align:center;background:#fef2f2;border:1px solid #fecaca;border-radius:10px;padding:16px 20px}.confirm-cancel-text{color:#991b1b;margin-bottom:12px;font-size:14px;font-weight:500}.confirm-cancel-actions{justify-content:center;gap:8px;display:flex}.status-card.loading{flex-direction:column;align-items:center;gap:12px;display:flex}.spinner{border:3px solid var(--gray-200);border-top-color:var(--primary);border-radius:50%;width:32px;height:32px;animation:.6s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.loading-text,.empty-text{text-align:center;color:var(--gray-400);padding:32px;font-size:14px}.task-list{flex-direction:column;gap:8px;display:flex}.task-item{border:1px solid var(--gray-200);cursor:pointer;background:#fff;border-radius:8px;justify-content:space-between;align-items:center;padding:16px 20px;transition:all .15s;display:flex}.task-item:hover{border-color:var(--primary);box-shadow:var(--shadow)}.task-item-left,.task-item-right{align-items:center;gap:12px;display:flex}.task-filename{color:var(--gray-900);font-weight:500}.task-time{color:var(--gray-400);font-size:12px}.task-arrow{color:var(--gray-300);font-size:14px}.badge{border-radius:999px;align-items:center;padding:2px 10px;font-size:12px;font-weight:600;display:inline-flex}.badge-pending{color:#92400e;background:#fef3c7}.badge-processing{color:#1e40af;background:#dbeafe}.badge-completed{color:#166534;background:#dcfce7}.badge-failed{color:#991b1b;background:#fee2e2}.badge-cancelled{color:#6b7280;background:#f3f4f6}.login-page{background:var(--gray-50);justify-content:center;align-items:center;min-height:100vh;padding:24px;display:flex}.login-card{border-radius:var(--radius);width:100%;max-width:400px;box-shadow:var(--shadow-lg);border:1px solid var(--gray-200);text-align:center;background:#fff;padding:48px 36px}.login-icon{margin-bottom:12px;font-size:56px}.login-card h2{color:var(--gray-900);margin-bottom:4px;font-size:24px}.login-subtitle{color:var(--gray-400);margin-bottom:28px;font-size:14px}.login-form{flex-direction:column;gap:14px;display:flex}.login-input{border:1px solid var(--gray-200);border-radius:8px;outline:none;width:100%;padding:12px 16px;font-size:15px;transition:border-color .15s}.login-input:focus{border-color:var(--primary)}.code-row{gap:8px;display:flex}.code-input{flex:1}.code-btn{white-space:nowrap;flex-shrink:0;padding:12px 14px;font-size:13px}.login-success{color:var(--green);text-align:left;background:#f0fdf4;border-radius:6px;padding:8px 12px;font-size:13px}.login-btn{justify-content:center;width:100%;padding:12px;font-size:16px}.login-error{color:var(--red);text-align:left;background:#fef2f2;border-radius:6px;padding:8px 12px;font-size:13px}.login-switch{color:var(--gray-400);margin-top:20px;font-size:14px}.link-btn{color:var(--primary);cursor:pointer;background:0 0;border:none;padding:0;font-size:14px;font-weight:600;text-decoration:underline}.link-btn:hover{color:var(--primary-hover)}.login-loading{min-height:100vh;color:var(--gray-400);flex-direction:column;justify-content:center;align-items:center;gap:12px;display:flex}.header-right{align-items:center;gap:20px;display:flex}.user-info{align-items:center;gap:8px;display:flex}.user-name{color:var(--gray-700);font-size:13px;font-weight:500}.user-level{background:var(--primary-light);color:var(--primary);border-radius:4px;padding:2px 6px;font-size:11px}.logout-btn{border:1px solid var(--gray-200);cursor:pointer;color:var(--gray-400);background:0 0;border-radius:6px;padding:4px 10px;font-size:12px;transition:all .15s}.logout-btn:hover{border-color:var(--red);color:var(--red)}.page-home{flex-direction:column;gap:0;display:flex}.page-history h2{color:var(--gray-900);margin-bottom:16px;font-size:20px}.history-detail{margin-top:24px}.history-detail h3{color:var(--gray-700);margin-bottom:8px;font-size:16px}.page-task{flex-direction:column;display:flex}.task-tabs{white-space:nowrap;flex-shrink:0;gap:8px;padding:0 0 20px;display:flex;overflow-x:auto}.task-tab{background:var(--gray-100);color:var(--gray-500);border:1px solid var(--gray-200);cursor:pointer;text-overflow:ellipsis;border-radius:8px;flex-shrink:0;max-width:160px;padding:6px 16px;font-size:13px;font-weight:500;transition:all .15s;overflow:hidden}.task-tab:hover{background:var(--gray-200);color:var(--gray-700)}.task-tab.active{background:var(--primary-light);color:var(--primary);border-color:var(--primary);font-weight:600}.task-tab-new{border:1px dashed var(--gray-300);color:var(--gray-500);background:0 0}.task-tab-new:hover{border-color:var(--primary);color:var(--primary)}.active-tasks-banner{background:var(--primary-light);cursor:pointer;color:var(--primary);border:1px solid #6366f133;border-radius:10px;align-items:center;gap:8px;margin-bottom:16px;padding:10px 16px;font-size:14px;transition:all .15s;display:flex}.active-tasks-banner:hover{background:#6366f12e}.active-tasks-dot{background:var(--primary);border-radius:50%;width:8px;height:8px;animation:1.5s infinite pulse}.active-tasks-arrow{margin-left:auto;font-size:16px;font-weight:600}@keyframes pulse{0%,to{opacity:1}50%{opacity:.4}}.pagination{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;padding:16px 0;display:flex}.pagination-info{color:var(--gray-400);font-size:13px}.pagination-btns{gap:8px;display:flex}.pagination-btns .btn{padding:6px 14px;font-size:13px}.pagination-btns .btn:disabled{opacity:.4;cursor:not-allowed}@media (width<=768px){.header-inner{gap:8px;padding:0 12px}.app-title{white-space:nowrap;font-size:17px}.header-right{gap:8px}.app-nav{gap:2px}.nav-btn{padding:6px 10px;font-size:13px}.user-name{display:none}.user-level{padding:1px 4px;font-size:10px}.app-main{padding:16px}.status-meta{flex-direction:column;gap:4px}}@media (width<=640px){.app-main{padding:12px}.upload-card{padding:24px 12px}.upload-icon{font-size:36px}.upload-card h2{font-size:18px}.upload-hint{font-size:12px}.login-card{padding:28px 16px}.login-card h2{font-size:20px}.login-icon{font-size:40px}.login-input{padding:10px 12px;font-size:14px}.code-btn{padding:10px 8px;font-size:12px}.task-item{flex-direction:column;align-items:flex-start;gap:6px}.task-item-right{justify-content:space-between;width:100%}.task-filename{word-break:break-all;font-size:13px}.task-time{font-size:11px}.status-card{padding:20px 12px}.status-icon{font-size:28px}.status-label{font-size:16px}.video-preview{max-width:100%}.confirm-cancel{padding:12px}.confirm-cancel-text{font-size:13px}.confirm-cancel-actions{flex-direction:column;gap:6px}}@media (width<=400px){.login-card{padding:20px 12px}.code-row{flex-direction:column}.code-btn{width:100%}.header-inner{padding:0 8px}.nav-btn{padding:4px 8px;font-size:12px}}