:root{color-scheme:light;--bg: #f2f5f3;--surface: #ffffff;--line: #dfe7e3;--line-strong: #c7d5cf;--ink: #16302c;--ink-dim: #5c6f6a;--accent: #17807a;--accent-ink: #10615c;--accent-soft: #e2f0ed;--accent-fill: #17807a;--hover: #eef4f2;--sunken: #f2f5f3;--danger: #a4342b;--shadow: rgb(22 48 44 / 14%);--gutter: 24px;--radius: 10px;--radius-card: 14px;--rail: 52px;--nav: 232px;--tap: 44px;--tile: 200px}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.6 system-ui,Segoe UI,PingFang SC,Microsoft YaHei UI,sans-serif;-webkit-font-smoothing:antialiased}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.app{display:flex;flex-direction:column;height:100%}.button{display:inline-flex;align-items:center;justify-content:center;height:var(--tap);padding:0 16px;border:1px solid var(--line-strong);border-radius:var(--radius);background:none;color:inherit;font:inherit;font-weight:600;white-space:nowrap;text-decoration:none;cursor:pointer}.button:hover{background:var(--hover)}.button.is-primary{border-color:transparent;background:var(--accent-fill);color:#fff}.button.is-primary:hover{background:#126a65}.button.is-small{height:36px;padding:0 12px;font-size:13px}.button.is-icon{width:36px;padding:0;font-size:15px}.button.is-off{border-color:var(--line);background:var(--sunken);color:var(--ink-dim);cursor:not-allowed}.button.is-off:hover{background:var(--sunken)}.shelf{display:flex;flex:1;min-height:0;flex-direction:column}.topbar{display:flex;align-items:center;gap:16px;padding:14px var(--gutter);background:var(--surface);border-bottom:1px solid var(--line)}.brand{display:flex;flex-direction:column;gap:2px;min-width:0}.brand-name{margin:0;font-size:22px;font-weight:600;line-height:1.25}.brand-sub{color:var(--ink-dim);font-size:13px}.search{flex:0 1 300px;margin-left:auto}.search input{width:100%;height:38px;padding:0 12px;border:1px solid var(--line);border-radius:var(--radius);background:var(--sunken);color:inherit;font:inherit;font-size:13px}.search input::placeholder{color:var(--ink-dim)}.nav-toggle{display:none;align-items:center;height:36px;padding:0 14px;border:1px solid var(--line-strong);border-radius:var(--radius);background:none;color:inherit;font:inherit;font-size:13px;font-weight:600;cursor:pointer}.nav-toggle:hover{background:var(--hover)}.account{display:flex;align-items:center;gap:8px;flex:0 1 auto;min-width:0}.account-note{color:var(--ink-dim);font-size:13px;white-space:nowrap}.account-name{max-width:12ch;overflow:hidden;color:var(--ink);font-size:13px;font-weight:600;text-overflow:ellipsis;white-space:nowrap}.account-problem{max-width:32ch;color:var(--danger);font-size:12px}.shelf-body{display:flex;flex:1;min-height:0}.nav{display:flex;flex-direction:column;flex:0 0 var(--nav);width:var(--nav);min-height:0;overflow:auto;background:var(--surface);border-right:1px solid var(--line)}.nav-head{padding:16px 18px 8px;color:var(--ink-dim);font-size:13px;font-weight:600}.nav-tree{display:flex;flex-direction:column;gap:2px;padding:0 10px 20px}.nav-row{display:flex;align-items:center;gap:2px;padding:0 6px;border-radius:8px}.nav-row:hover{background:var(--hover)}.nav-row.is-on{background:var(--accent-soft)}.nav-caret{display:inline-flex;flex-shrink:0;align-items:center;justify-content:center;width:20px;height:20px;padding:0;border:0;border-radius:6px;background:none;color:var(--ink-dim);font:inherit;font-size:11px;cursor:pointer}.nav-caret:hover{color:var(--ink)}.nav-caret-mark{display:inline-block;transition:transform .12s ease}.nav-caret[aria-expanded=true] .nav-caret-mark{transform:rotate(90deg)}.nav-gap{flex-shrink:0;width:20px}.nav-pick{display:flex;flex:1;align-items:center;gap:8px;min-width:0;height:34px;padding:0 6px;border:0;border-radius:8px;background:none;color:var(--ink-dim);font:inherit;font-size:14px;text-align:left;cursor:pointer}.nav-row:hover .nav-pick{color:var(--ink)}.nav-row.is-on .nav-pick{color:var(--accent-ink);font-weight:600}.nav-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.nav-count{margin-left:auto;color:var(--ink-dim);font-size:12px;font-variant-numeric:tabular-nums}.nav-row.is-on .nav-count{color:inherit;opacity:.8}.nav-scrim{display:none}.main{display:flex;flex:1;min-width:0;flex-direction:column}.main-head{display:flex;align-items:baseline;gap:10px;padding:20px var(--gutter) 14px}.main-title{margin:0;font-size:17px;font-weight:600;line-height:1.3}.main-sub{color:var(--ink-dim);font-size:13px;font-variant-numeric:tabular-nums}.main-body{flex:1;min-height:0;overflow:auto}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(var(--tile),1fr));align-items:stretch;gap:14px;padding:0 var(--gutter) var(--gutter)}.tile{display:flex;flex-direction:column;height:100%;border:1px solid var(--line);border-radius:var(--radius-card);background:var(--surface);box-shadow:0 1px 2px var(--shadow);transition:transform .12s ease,box-shadow .12s ease,border-color .12s ease}.tile:hover{transform:translateY(-1px);border-color:var(--line-strong);box-shadow:0 6px 16px var(--shadow)}.tile:focus-within{border-color:var(--accent)}.tile.is-off{background:#fafbfa}.tile.is-off:hover{transform:none;border-color:var(--line);box-shadow:0 1px 2px var(--shadow)}.tile.is-off .tile-mark,.tile.is-off .tile-name,.tile.is-off .tile-desc{opacity:.55}.tile-needs{align-self:flex-start;margin-top:auto;padding:2px 8px;border:1px dashed var(--line-strong);border-radius:999px;color:var(--ink-dim);font-size:12px;font-weight:600}.tile-open{display:flex;flex:1;flex-direction:column;gap:10px;padding:16px 16px 10px;border-radius:var(--radius-card) var(--radius-card) 0 0;color:inherit;text-decoration:none}.tile-foot{display:flex;align-items:center;gap:8px;padding:0 16px 14px}.tile-detail{margin-left:auto;color:var(--accent-ink);font-size:13px;font-weight:600;text-decoration:none}.tile-detail:hover{text-decoration:underline}.tile-mark{flex-shrink:0;width:40px;height:40px;border-radius:12px;background:var(--sunken);color:var(--ink-dim);font-size:17px;font-weight:600;line-height:40px;text-align:center}.tile-mark[data-tint="0"],.detail-mark[data-tint="0"]{background:var(--accent-soft);color:var(--accent-ink)}.tile-mark[data-tint="1"],.detail-mark[data-tint="1"]{background:#d6ebe7;color:var(--accent-ink)}.tile-mark[data-tint="2"],.detail-mark[data-tint="2"]{background:#c8e3de;color:var(--accent-ink)}.tile-name{font-size:15px;font-weight:600;line-height:1.35}.tile-desc{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden;color:var(--ink-dim);font-size:13px;line-height:1.5}.notice{padding:12px var(--gutter);border-bottom:1px solid var(--line);background:var(--hover);color:var(--ink);font-size:13px}.notice ul{margin:4px 0 0;padding-left:18px;color:var(--ink-dim)}.empty{display:flex;flex-direction:column;align-items:center;gap:8px;padding:48px var(--gutter);color:var(--ink-dim);text-align:center}.empty strong{color:var(--ink);font-size:15px;font-weight:600}.empty code,.blocked code{padding:1px 4px;border:1px solid var(--line);border-radius:4px;background:var(--sunken);font-family:ui-monospace,Cascadia Mono,Consolas,monospace;font-size:12px}.detail{display:flex;flex:1;min-height:0;flex-direction:column}.detail-top{padding:16px var(--gutter)}.detail-body{flex:1;min-height:0;overflow:auto}.detail-card{display:flex;flex-direction:column;gap:16px;max-width:640px;margin:0 auto var(--gutter);padding:24px;border:1px solid var(--line);border-radius:var(--radius-card);background:var(--surface);box-shadow:0 1px 2px var(--shadow)}.detail-head{display:flex;align-items:center;gap:16px}.detail-mark{flex-shrink:0;width:56px;height:56px;border-radius:16px;background:var(--sunken);color:var(--ink-dim);font-size:24px;font-weight:600;line-height:56px;text-align:center}.detail-title{display:flex;flex-direction:column;gap:8px;min-width:0}.detail-name{margin:0;font-size:22px;font-weight:600;line-height:1.25}.detail-meta{display:flex;align-items:center;gap:8px;color:var(--ink-dim);font-size:13px}.detail-desc{margin:0;font-size:15px;line-height:1.6}.detail-actions{display:flex;align-items:center;gap:12px}.detail-problem{margin:0;color:var(--danger);font-size:13px}.rail{display:flex;align-items:center;gap:12px;height:var(--rail);padding:0 var(--gutter);background:var(--surface);border-bottom:1px solid var(--line)}.rail-name{font-size:15px;font-weight:600}.rail-end{display:flex;align-items:center;gap:8px;margin-left:auto}.frame-wrap{position:relative;flex:1;min-height:0;background:var(--surface)}.frame{display:block;width:100%;height:100%;border:0;background:var(--surface)}.blocked{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;padding:var(--gutter);background:var(--bg)}.blocked-card{display:flex;flex-direction:column;align-items:center;gap:12px;max-width:520px;padding:24px;border:1px solid var(--line);border-radius:var(--radius-card);background:var(--surface);text-align:center}.blocked-card strong{font-size:15px;font-weight:600}.blocked-card p{margin:0;color:var(--ink-dim);font-size:13px}.blocked-actions{display:flex;align-items:center;gap:12px}@media(max-width:760px){.topbar{flex-wrap:wrap;padding:12px 16px}.nav-toggle{display:inline-flex}.search{order:3;flex:1 1 100%;margin-left:0}.nav{position:fixed;top:0;bottom:0;left:0;z-index:30;width:min(300px,84vw);flex:none;transform:translate(-100%);transition:transform .16s ease;box-shadow:0 8px 32px var(--shadow)}.nav.is-open{transform:none}.nav-scrim{display:block;position:fixed;inset:0;z-index:20;margin:0;padding:0;border:0;background:#16302c57}.main-head{padding:16px 16px 12px}.grid{gap:12px;padding:0 16px 16px}}@media(prefers-reduced-motion:reduce){.tile,.nav,.nav-caret-mark{transition:none}.tile:hover{transform:none}}