:root{color-scheme:dark;font-family:Inter,SF Pro Text,Segoe UI,Microsoft YaHei,PingFang SC,Arial,sans-serif;font-synthesis:none;line-height:1.45;text-rendering:optimizeLegibility;--bg: #151515;--panel: #1f1f1f;--panel-2: #282828;--panel-3: #202020;--border: #3a3a3a;--border-soft: #303030;--red: #c40000;--red-hover: #e00000;--text: #eeeeee;--muted: #a8a8a8;--muted-2: #777777;--green: #2fa66a;--amber: #d69328;--danger: #ff5a5a;background:var(--bg);color:var(--text)}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh;background:var(--bg)}button,input,select{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.48}.app-shell{min-height:100vh;background:var(--bg)}.topbar{height:62px;display:flex;align-items:center;justify-content:space-between;padding:0 28px;background:#b90000;border-bottom:1px solid #7f0000;color:#fff}.brand,.topbar-actions,.queue-actions,.row-actions,.storage-line,.target-row{display:flex;align-items:center}.brand{gap:14px;min-width:0}.brand-title{font-size:21px;font-weight:800;white-space:nowrap}.brand-divider{height:24px;width:1px;background:#ffffff59}.brand-subtitle{font-size:15px;font-weight:650;white-space:nowrap}.topbar-actions{gap:12px}.ghost-button,.icon-text-button{border:0;background:transparent;color:inherit;display:inline-flex;align-items:center;gap:8px;height:36px;padding:0 10px;border-radius:6px}.ghost-button:hover,.icon-text-button:hover{background:#ffffff1f}.workbench{display:grid;grid-template-columns:368px minmax(0,1fr);gap:14px;padding:14px;min-height:calc(100vh - 62px)}.settings-panel,.queue-panel{background:var(--panel);border:1px solid var(--border);border-radius:8px}.settings-panel{padding:20px 18px;display:flex;flex-direction:column;gap:22px}.setting-section h2,.section-label{margin:0 0 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input{min-width:0;flex:1;padding:0 12px}.target-row select{width:86px;padding:0 10px}.full-select{width:100%;padding:0 12px}.target-row input:focus,.target-row select:focus,.full-select:focus{border-color:var(--red-hover)}.hint{margin:9px 0 0;color:var(--muted);font-size:13px}.storage-section{border-top:1px solid var(--border-soft);padding-top:18px}.storage-line{justify-content:space-between;gap:8px;color:var(--muted)}.storage-line strong{color:var(--text)}.meter{height:8px;margin-top:12px;background:#363636;border-radius:999px;overflow:hidden}.meter span{display:block;height:100%;background:var(--red)}.notice{border:1px solid #7c5200;background:#221b10;color:#ffc166;border-radius:6px;padding:10px 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button{width:32px;height:32px;display:inline-flex;align-items:center;justify-content:center;border:1px solid transparent;border-radius:6px;background:transparent;color:#dedede}.row-actions button:hover:not(:disabled){border-color:var(--border);background:#303030}.empty-state{min-height:440px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;color:var(--muted)}.empty-state strong{color:var(--text);font-size:16px}.result-bar{min-height:96px;border-top:1px solid var(--border);background:var(--panel-3);display:grid;grid-template-columns:repeat(3,minmax(120px,1fr)) minmax(190px,auto);gap:18px;align-items:center;padding:18px 24px}.metric{display:flex;flex-direction:column;gap:5px}.metric span{color:var(--muted);font-size:13px}.metric strong{font-size:18px}.metric.highlight strong{color:#f55}.download-all{height:48px;min-width:190px;border:0;background:var(--red);color:#fff;font-weight:800;white-space:nowrap}.spin{animation:spin .9s linear 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