/* NTB OS：Obsidian 里的 Dashboard 界面 */
.nb-base{background:linear-gradient(160deg,#2b2b2e 0%,#0b0b0c 50%,#000 100%)}
.nb-bar{position:absolute;height:17.6%;border-radius:18%/50%;background:var(--c);opacity:0;transform:translateX(-30%)}
.hero-reveal[data-film=bridging] .nb-bar{animation:nb-bar-in .7s cubic-bezier(.2,.8,.25,1) var(--d) forwards}
@keyframes nb-bar-in{to{opacity:var(--o,1);transform:none}}
.brand img{transform:scale(1.25)}
.ob-tab img{transform:scale(1.25)}

.nb-win{background:#1e1e1e;color:#dadada;font-family:var(--font-text);display:grid;grid-template-rows:auto 1fr;position:relative;overflow:hidden}
.nb-body{position:relative;min-height:0;overflow:hidden}
.nb-page{position:absolute;inset:0;padding:22px 26px 96px;transition:opacity .35s,transform .35s;overflow:hidden}
.nb-page.is-off{opacity:0;transform:translateY(10px);pointer-events:none}
.nb-head{display:flex;align-items:baseline;gap:14px;margin:0 0 16px}
.nb-head b{font-size:24px;font-weight:600;color:#f2f2f2}
.nb-head span{font-size:13px;color:#8a8a8a}
.nb-nav{position:absolute;left:50%;bottom:18px;transform:translateX(-50%);display:flex;gap:2px;padding:6px;border-radius:999px;background:#1a1a1a;border:1px solid #3a3a3a;box-shadow:0 12px 30px rgba(0,0,0,.45);z-index:5;white-space:nowrap}
.nb-nav span{padding:10px 18px;border-radius:999px;font-size:15px;font-weight:500;color:#cfcfcf;transition:background .2s,color .2s}
.nb-nav span.is-on{background:#3a3a3a;color:#fff}
.nb-nav span.is-hot{background:#2c2c2c}
.nb-cards{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.nb-card{border:1px solid #363636;border-radius:14px;background:#262626;overflow:hidden;transition:border-color .2s,transform .2s}
.nb-card.is-hot{border-color:#8b7cf6;transform:translateY(-2px)}
.nb-cover{height:104px;background:var(--cv);background-size:cover;background-position:center;position:relative}
.nb-cover b{position:absolute;left:12px;bottom:8px;font-size:30px;font-weight:700;color:rgba(255,255,255,.85)}
.nb-card p{margin:0;padding:10px 12px 12px;font-size:13.5px;font-weight:600;color:#ececec;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.nb-list{display:grid;gap:8px}
.nb-item{display:flex;align-items:center;gap:12px;padding:11px 14px;border:1px solid #363636;border-radius:10px;background:#262626;transition:border-color .2s,background .2s}
.nb-item.is-hot{border-color:#8b7cf6;background:#2c2840}
.nb-item b{font-size:14px;font-weight:600;color:#ececec;flex:none}
.nb-item small{color:#8a8a8a;font-size:12px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.nb-tags{display:flex;gap:5px;margin-left:auto;flex:none}
.nb-tag{padding:2px 8px;border-radius:999px;background:#2f2a45;border:1px solid #4d4390;color:#ddd6ff;font-size:11px}
.nb-search{height:42px;border-radius:10px;border:1px solid #8b7cf6;background:#232323;display:flex;align-items:center;padding:0 14px;font-size:15px;margin-bottom:14px;gap:8px}
.nb-search .ph{color:#777}
/* 浮层阅读器 */
.nb-reader{position:absolute;z-index:8;right:40px;top:30px;bottom:30px;width:52%;border-radius:16px;background:#202020;border:1px solid #444;box-shadow:0 30px 80px rgba(0,0,0,.6);padding:22px 26px;opacity:0;transform:translateY(16px) scale(.98);transition:opacity .3s,transform .3s;overflow:hidden}
.nb-reader.on{opacity:1;transform:none}
.nb-reader h3{margin:0 0 14px;font-size:24px;font-weight:600;color:#f3f3f3}
.nb-props{display:grid;grid-template-columns:90px 1fr;gap:8px 10px;padding:12px 14px;border-radius:10px;background:#262626;font-size:12.5px;margin-bottom:16px}
.nb-props dt{color:#8a8a8a}.nb-props dd{margin:0;display:flex;flex-wrap:wrap;gap:5px;color:#dcdcdc}
.nb-md h4{margin:16px 0 8px;font-size:15px;color:#eaeaea}
.nb-md i{display:block;height:10px;border-radius:5px;background:#2e2e2e;margin:8px 0}
.nb-x{position:absolute;right:16px;top:16px;width:28px;height:28px;border-radius:8px;display:grid;place-items:center;color:#aaa;background:#2a2a2a}
/* Workflow */
.nb-wf{display:grid;grid-template-columns:240px 1fr;gap:14px;height:100%}
.nb-side{display:grid;gap:4px;align-content:start}
.nb-side span{padding:9px 12px;border-radius:8px;font-size:13.5px;color:#cfcfcf;transition:background .2s}
.nb-side span.is-on{background:#2f2a45;color:#fff}
.nb-side span.is-off{color:#666}
.nb-gh{border:1px solid #363636;border-radius:12px;background:#0d1117;padding:18px 20px;color:#c9d1d9;overflow:hidden;transition:opacity .3s}
.nb-gh .repo{font-size:15px;color:#58a6ff;margin-bottom:6px}.nb-gh .repo b{font-weight:600}
.nb-gh .meta{display:flex;gap:8px;margin-bottom:14px}.nb-gh .meta span{padding:2px 8px;border:1px solid #30363d;border-radius:999px;font-size:11px;color:#8b949e}
.nb-gh .files{border:1px solid #30363d;border-radius:8px;margin-bottom:14px}
.nb-gh .files div{display:flex;gap:10px;padding:7px 12px;border-top:1px solid #21262d;font-size:12.5px}.nb-gh .files div:first-child{border-top:0}
.nb-gh .files em{font-style:normal;color:#8b949e;margin-left:auto}
.nb-gh h4{margin:0 0 8px;font-size:18px;color:#e6edf3}
.nb-gh i{display:block;height:9px;border-radius:5px;background:#21262d;margin:7px 0}
/* 规则导图 */
.nb-map{position:relative;height:100%}
.nb-node{position:absolute;transform:translate(-50%,-50%);padding:6px 12px;border-radius:7px;border:1px solid #3c4466;background:#1d2236;color:#dfe5ff;font-size:12px;white-space:nowrap;opacity:0;transition:opacity .35s,transform .35s}
.nb-node.on{opacity:1}
.nb-node.root{font-size:14px;font-weight:600;border-color:#5b6bb0}
.nb-map svg{position:absolute;inset:0;width:100%;height:100%;overflow:visible}
.nb-map path{fill:none;stroke:#3c4466;stroke-width:1.2;opacity:0;transition:opacity .35s}
.nb-map path.on{opacity:1}
.nb-mapbg{background:radial-gradient(ellipse at 50% 55%,#1c2a6b 0%,#121628 55%,#0d0f18 100%)}
/* 标签地图 */
.nb-tagmap{position:absolute;inset:0;background:radial-gradient(ellipse at 50% 50%,#1b2350 0%,#111426 60%,#0c0e18 100%)}
.nb-tagmap svg{position:absolute;inset:0;width:100%;height:100%}
.nb-tagmap line{stroke:#5866b8;stroke-width:1.5;opacity:.5}
.nb-tagmap line.is-new{stroke:#8b7cf6;opacity:1;stroke-width:2.5}
.nb-tn{position:absolute;transform:translate(-50%,-50%);border-radius:50%;display:grid;place-items:center;text-align:center;color:#fff;font-weight:600;background:radial-gradient(circle at 35% 30%,rgba(255,255,255,.25),transparent 60%),var(--c);box-shadow:0 0 0 0 rgba(139,124,246,.0);transition:box-shadow .3s,transform .3s}
.nb-tn small{display:block;font-size:12px;font-weight:500;opacity:.8}
.nb-tn.is-hot{box-shadow:0 0 0 10px rgba(139,124,246,.35);transform:translate(-50%,-50%) scale(1.06)}
.nb-note{position:absolute;transform:translate(-50%,-50%);padding:5px 10px;border-radius:8px;background:#262626;border:1px solid #444;font-size:12px;color:#ddd;white-space:nowrap;animation:entry-in .4s}
/* 空间 Finder */
.nb-finder{display:grid;grid-template-columns:220px 1fr;height:100%}
.nb-fside{background:#232325;border-right:1px solid #333;padding:14px 10px;font-size:13px;color:#aaa;display:grid;gap:4px;align-content:start}
.nb-fside span{padding:6px 10px;border-radius:6px}.nb-fside span.is-on{background:#3a3a3c;color:#fff}
.nb-fgrid{padding:22px;display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:18px 10px;align-content:start}
.nb-folder{text-align:center;font-size:12.5px;color:#e5e5e5;animation:entry-in .35s both}
.nb-folder i{display:block;width:74px;height:56px;margin:0 auto 6px;border-radius:6px;background:linear-gradient(180deg,#6cb6ff,#3d8bf2);position:relative}
.nb-folder i::before{content:"";position:absolute;left:0;top:-7px;width:32px;height:12px;border-radius:5px 5px 0 0;background:#5aa8fb}
.nb-folder small{display:block;color:#8a8a8a;font-size:11px;margin-top:2px}
.rp-demo .nb-win{width:880px;height:580px}
.rp-demo .nb-page{padding:18px 20px 90px}
.rp-demo .nb-win{grid-template-rows:1fr}