:root{--ink-0:#0a0b0f;--ink-1:#101218;--ink-2:#16191f;--ink-3:#1d212a;--ink-4:#262b36;--ink-5:#323846;--line:hsla(0,0%,100%,0.07);--line-2:hsla(0,0%,100%,0.12);--fg:#edeff4;--fg-2:#a7aebd;--fg-3:#6d7686;--iris:#5b6bff;--iris-hi:#6e7cff;--iris-soft:rgba(91,107,255,0.16);--coral:#ff4d5e;--sel:#8fa3ff;--mint:#2fd3a5;--violet:#b57bff;--sky:#5b8cff;--amber:#ffb44d;--r-sm:6px;--r-md:10px;--r-lg:14px;--r-pill:99px;--e1:0 1px 2px rgba(0,0,0,0.4);--e2:0 4px 12px rgba(0,0,0,0.35),0 1px 2px rgba(0,0,0,0.4);--e3:0 16px 40px rgba(0,0,0,0.5),0 2px 8px rgba(0,0,0,0.4);--gloss:inset 0 1px 0 hsla(0,0%,100%,0.055);--ease:cubic-bezier(0.32,0.72,0,1);--ease-c:cubic-bezier(0.4,0,0.2,1);--t-micro:120ms;--t-base:180ms;--t-panel:260ms;--panel-heading:48px;color-scheme:dark;font-family:Inter,PingFang SC,Hiragino Sans GB,Microsoft 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4px;background:transparent;color:var(--fg-2);cursor:pointer;white-space:nowrap}.top-link--active{position:relative;color:var(--fg);font-weight:550;display:inline-flex;align-items:center}.top-link--active:after{content:"";position:absolute;left:4px;right:4px;bottom:-10px;height:2px;background:var(--sel)}.project-title{justify-content:center;gap:14px;font-size:13px}.save-state{display:inline-flex;align-items:center;gap:6px;min-width:120px;border:0;padding:0;background:transparent;color:var(--fg-3);font-size:11px;white-space:nowrap}.save-state i{width:6px;height:6px;flex:0 0 auto;border-radius:var(--r-pill);background:currentColor;opacity:.8}.save-state--reading,.save-state--saving{color:var(--sel)}.save-state--pending{color:var(--amber)}.save-state--restored,.save-state--saved{color:var(--mint)}.save-state--error{color:var(--coral);cursor:pointer}.save-state--error:hover{color:#ff7a86}.save-state--reading i,.save-state--saving i{animation:save-status-pulse 1.2s var(--ease-c) 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3px;color:var(--fg-3);font-size:10.5px;line-height:1.35}.media-card__preview{position:relative;height:74px;display:flex;align-items:center;justify-content:center;overflow:hidden;border:1px solid var(--line-2);background:#0b0d11}.media-card--selected .media-card__preview{border-color:var(--sel);box-shadow:inset 0 0 0 1px var(--sel),0 0 0 3px rgba(143,163,255,.1)}.media-card img,.media-card video{width:100%;height:100%;display:block;object-fit:cover}.media-card__type-icon{width:40px;height:40px;display:flex;align-items:center;justify-content:center;border-radius:var(--r-pill);background:var(--ink-3);color:#7f96bd}.media-card__kind{left:5px}.media-card__duration,.media-card__kind{position:absolute;bottom:5px;height:17px;padding:0 5px;border-radius:var(--r-sm);background:rgba(4,6,10,.8);color:#d9dee8;font-size:10.5px;line-height:17px}.media-card__duration{right:5px;font-family:SFMono-Regular,Consolas,Liberation 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textarea:focus{border-color:var(--iris);outline:0}.text-count{position:absolute;right:9px;bottom:8px;color:var(--fg-3);font-family:SFMono-Regular,Consolas,Liberation Mono,monospace;font-size:11px;font-variant-numeric:tabular-nums;pointer-events:none}.control-reason,.text-tool__hint{margin:0;color:var(--fg-3);font-size:11px;line-height:1.55}.text-tool .range-field{grid-template-columns:36px minmax(0,1fr) 46px;gap:8px}.text-size-number,.text-tool .range-field__value{width:100%}.text-size-number{height:28px;border:1px solid var(--line-2);border-radius:var(--r-sm);padding:0 5px;background:var(--ink-3);color:var(--fg);font-family:SFMono-Regular,Consolas,Liberation Mono,monospace;font-size:11px;font-variant-numeric:tabular-nums;text-align:center;box-shadow:var(--gloss)}.text-color-row{display:flex;gap:8px}.color-picker{position:relative;min-width:0;flex:1}.color-picker__trigger{width:100%;height:32px;display:flex;align-items:center;gap:8px;border:1px solid var(--line-2);border-radius:var(--r-md);padding:0 9px;background:var(--ink-3);color:var(--fg-2);font-size:11.5px;box-shadow:var(--gloss);cursor:pointer}.color-picker__trigger:hover,.color-picker__trigger[aria-expanded=true]{border-color:var(--sel);color:var(--fg)}.color-picker__swatch{width:16px;height:16px;flex:0 0 auto;border:1px solid hsla(0,0%,100%,.22);border-radius:var(--r-sm);box-shadow:0 1px 3px rgba(0,0,0,.35)}.color-picker__popover{width:212px;position:absolute;top:38px;left:0;z-index:30;padding:10px;border:1px solid var(--line-2);border-radius:var(--r-md);background:var(--ink-4);box-shadow:var(--e3),var(--gloss)}.color-picker:last-child .color-picker__popover{right:0;left:auto}.color-picker__palette{display:grid;grid-template-columns:repeat(4,1fr);gap:7px}.color-picker__option{height:30px;display:flex;align-items:center;justify-content:center;border:1px solid hsla(0,0%,100%,.2);border-radius:var(--r-sm);color:#fff;cursor:pointer;box-shadow:inset 0 0 0 1px rgba(0,0,0,.18)}.color-picker__option[aria-pressed=true]{outline:2px solid var(--sel);outline-offset:2px}.color-picker__hex{height:32px;display:grid;grid-template-columns:auto 1fr;align-items:center;gap:8px;margin-top:10px;border:1px solid var(--line-2);border-radius:var(--r-sm);padding:0 8px;background:var(--ink-2)}.color-picker__hex span{color:var(--fg-3);font-size:10.5px;font-weight:600;letter-spacing:.06em}.color-picker__hex input{width:100%;min-width:0;border:0;outline:0;background:transparent;color:var(--fg);font-family:SFMono-Regular,Consolas,Liberation Mono,monospace;font-size:11.5px;text-transform:uppercase}.color-picker__apply{width:100%;height:30px;margin-top:8px;border:0;border-radius:var(--r-sm);background:var(--iris);color:#fff;cursor:pointer;font-size:11.5px}.text-toggle-row{display:grid;gap:4px}.toggle-switch{width:100%;height:32px;display:flex;align-items:center;justify-content:space-between;border:0;border-radius:var(--r-sm);padding:0;background:transparent;color:var(--fg-2);cursor:pointer;font-size:12px;text-align:left}.toggle-switch__track{width:32px;height:18px;position:relative;flex:0 0 auto;border:1px solid var(--line-2);border-radius:var(--r-pill);background:var(--ink-5);transition:background-color var(--t-micro) var(--ease-c),border-color var(--t-micro) var(--ease-c)}.toggle-switch__thumb{width:14px;height:14px;position:absolute;top:1px;left:1px;border-radius:var(--r-pill);background:var(--fg-2);box-shadow:0 1px 3px rgba(0,0,0,.42);transition:transform var(--t-base) var(--ease),background-color var(--t-micro) var(--ease-c)}.toggle-switch--checked .toggle-switch__track{border-color:var(--iris);background:var(--iris)}.toggle-switch--checked .toggle-switch__thumb{background:#fff;transform:translateX(14px)}.text-preview-frame{position:relative;aspect-ratio:16/9;overflow:hidden;display:flex;align-items:flex-end;justify-content:center;border:1px solid var(--line-2);border-radius:var(--r-md);padding:0 12px 14px;background:var(--ink-0);box-shadow:var(--gloss)}.text-preview-frame__shade,.text-preview-frame img,.text-preview-frame video{width:100%;height:100%;position:absolute;inset:0}.text-preview-frame img,.text-preview-frame video{object-fit:cover}.text-preview-frame__shade{background:rgba(0,0,0,.22)}.text-preview-frame__empty{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:var(--fg-3)}.text-preview-frame strong{max-width:100%;position:relative;z-index:1;overflow:hidden;padding:1px 5px;line-height:1.35;text-align:center;text-overflow:ellipsis;text-shadow:0 2px 8px #000;white-space:nowrap}.text-action-row{display:flex;align-items:center;gap:8px}.text-action-footer{position:absolute;right:0;bottom:0;left:0;z-index:12;display:grid;gap:7px;border-top:1px solid var(--line);padding:10px 14px 14px;background:var(--ink-2);box-shadow:0 -10px 24px rgba(10,11,15,.78)}.text-action-row button{flex:1;height:34px;display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid var(--line-2);border-radius:var(--r-md);background:var(--ink-3);color:var(--fg-2);cursor:pointer}.text-action-row .primary-button{margin:0;border-color:transparent;background:var(--iris);color:#fff}.subtitle-tool{height:calc(100% - var(--panel-heading));padding:14px;overflow-y:auto}.subtitle-tabs{display:grid;grid-template-columns:repeat(3,1fr);gap:4px;border-bottom:1px solid var(--line);padding-bottom:10px}.subtitle-tabs button{height:30px;border:0;border-radius:var(--r-sm);background:transparent;color:var(--fg-3);font-size:11px;cursor:pointer}.subtitle-tabs button.is-active,.subtitle-tabs button:hover{background:var(--ink-3);color:var(--sel)}.subtitle-tabs button:disabled{cursor:help;opacity:.58}.subtitle-tabs+.control-reason{margin-top:9px}.subtitle-recognition-note{display:flex;flex-direction:column;gap:5px;margin:14px 0;border:1px solid var(--line-2);border-radius:var(--r-sm);padding:10px;background:#141820}.subtitle-recognition-note strong{font-size:12px}.subtitle-help,.subtitle-recognition-note span{color:var(--fg-3);font-size:10.5px;line-height:1.5}.subtitle-import-button{height:34px;display:inline-flex;align-items:center;justify-content:center;gap:7px;background:var(--ink-3);color:var(--fg-2);cursor:pointer}.subtitle-import-button,.subtitle-tool textarea{width:100%;border:1px solid var(--line-2);border-radius:var(--r-sm)}.subtitle-tool 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