:root{--bg: #f6f7fb;--surface: #ffffff;--border: #e3e6ef;--text: #1c2233;--muted: #6b7280;--brand: #4f46e5;--brand-ink: #ffffff;--ok: #0f7b4f;--err: #b42318;--radius: 10px;--shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 4px 12px rgba(16, 24, 40, .06)}*,*:before,*:after{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.5 -apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}.app{display:flex;flex-direction:column;min-height:100vh}.toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 20px;background:var(--surface);border-bottom:1px solid var(--border)}.toolbar__left{display:flex;align-items:baseline;gap:12px;min-width:0}.toolbar__title{font-size:16px;font-weight:650;margin:0}.toolbar__site{color:var(--muted);font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.toolbar__right{display:flex;align-items:center;gap:8px;flex-shrink:0}.pill{font-size:12px;padding:3px 9px;border-radius:999px;background:#eef0f6;color:var(--muted)}.pill--busy{background:#fff4e5;color:#9a5b00}.app__body{display:flex;flex:1;min-height:0}.app__main{flex:1;min-width:0;padding:20px;display:flex;flex-direction:column;gap:16px}.strip{width:232px;flex-shrink:0;background:var(--surface);border-right:1px solid var(--border);overflow-y:auto}.strip__list{list-style:none;margin:0;padding:10px;display:flex;flex-direction:column;gap:8px}.thumb{display:grid;grid-template-columns:22px 1fr;grid-template-rows:auto auto;gap:4px 8px;width:100%;text-align:left;cursor:pointer;padding:8px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);font:inherit;color:inherit}.thumb:hover{border-color:#c7ccdb}.thumb--active{border-color:var(--brand);box-shadow:0 0 0 1px var(--brand)}.thumb__n{grid-row:1 / span 2;font-size:12px;color:var(--muted)}.thumb__img{width:100%;aspect-ratio:16 / 10;object-fit:cover;border-radius:6px;background:#eef0f6;display:block}.thumb__img--none{display:block}.thumb__label{font-size:12px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.viewer{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}.viewer__frame{position:relative;background:#0f172a}.viewer__shot{display:block;width:100%;height:auto}.viewer__shot--none{display:grid;place-items:center;min-height:280px;color:#94a3b8;font-size:14px}.hotspot{position:absolute;width:20px;height:20px;margin:-10px 0 0 -10px;border-radius:50%;background:#4f46e559;box-shadow:0 0 0 3px #4f46e5e6;pointer-events:none}.popup{position:absolute;transform:translate(14px,14px);max-width:min(320px,60%);background:var(--surface);border-radius:8px;box-shadow:var(--shadow);padding:10px 12px;pointer-events:none}.popup__text{margin:0;font-size:13px}.viewer__meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding:10px 14px;border-top:1px solid var(--border);font-size:12px;color:var(--muted)}.viewer__counter{font-variant-numeric:tabular-nums}.viewer__path{background:#eef0f6;padding:2px 6px;border-radius:4px}.editor{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:14px}.editor__head{display:flex;align-items:center;gap:8px;margin-bottom:8px}.editor__label{font-weight:600;font-size:13px}.tag{font-size:11px;padding:2px 7px;border-radius:999px;background:#eef2ff;color:var(--brand)}.editor__input{width:100%;padding:10px 12px;font:inherit;color:inherit;border:1px solid var(--border);border-radius:8px;resize:vertical}.editor__input:focus{outline:2px solid var(--brand);outline-offset:-1px;border-color:transparent}.editor__actions{display:flex;align-items:center;gap:8px;margin-top:10px}.editor__source{margin:10px 0 0;font-size:12px;color:var(--muted)}.editor__source span{color:var(--text)}.btn{font:inherit;font-size:13px;padding:7px 13px;border-radius:8px;border:1px solid var(--border);background:var(--surface);color:inherit;cursor:pointer}.btn:hover:not(:disabled){border-color:#c7ccdb}.btn:disabled{opacity:.5;cursor:default}.btn--primary{background:var(--brand);border-color:var(--brand);color:var(--brand-ink)}.btn--ghost{background:transparent}.btn--link{border-color:transparent;background:transparent;color:var(--brand);padding-inline:4px}.screen-msg{max-width:560px;margin:80px auto;padding:24px;text-align:center;color:var(--muted)}.screen-msg h1{font-size:18px;color:var(--text);margin:0 0 8px}.screen-msg--error h1{color:var(--err)}.screen-msg .hint{font-size:13px;margin-top:12px}.screen-msg code{background:#eef0f6;padding:2px 6px;border-radius:4px}.toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%);padding:9px 16px;border-radius:999px;font-size:13px;background:#101828;color:#fff;box-shadow:var(--shadow);z-index:50}.toast--err{background:var(--err)}@media (max-width: 780px){.app__body{flex-direction:column}.strip{width:auto;border-right:0;border-bottom:1px solid var(--border)}.strip__list{flex-direction:row;overflow-x:auto}.thumb{width:180px;flex-shrink:0}}