:root{
  --paper:#EAE7DF; --paper-2:#E2DED4; --card:#FBFAF6; --ink:#1A1A16; --ink-2:#605E54;
  --ink-3:#8C897D; --line:#DEDACE; --line-2:#ECE9E0; --signal:#2840EC; --signal-soft:#8493F4;
  --signal-wash:#E7EAFC; --clay:#C2673D; --green:#4C7A5E; --plum:#6B4E8A;
  --display:'Bricolage Grotesque',sans-serif; --body:'Hanken Grotesk',sans-serif; --mono:'DM Mono',monospace;
}
*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}
html,body{height:100%}
body{
  font-family:var(--body);background:var(--paper);color:var(--ink);line-height:1.5;
  -webkit-font-smoothing:antialiased;
  background-image:radial-gradient(circle at 12% 4%,rgba(40,64,236,.05),transparent 40%),
                   radial-gradient(circle at 90% 98%,rgba(194,103,61,.05),transparent 44%);
  padding-bottom:env(safe-area-inset-bottom);
}
.hidden{display:none!important}

/* ---------- login ---------- */
#login{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;padding:24px;background:var(--paper);z-index:50}
.login-card{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:28px 24px;max-width:360px;width:100%;text-align:center;box-shadow:0 20px 50px -30px rgba(26,26,22,.5)}
.login-card .mark{width:44px;height:44px;margin:0 auto 14px}
.login-card h1{font-family:var(--display);font-size:26px;font-weight:600;letter-spacing:-.02em;margin-bottom:6px}
.login-card p{color:var(--ink-2);font-size:13px;margin-bottom:18px}
.login-card input{width:100%;border:1px solid var(--line);border-radius:12px;padding:13px 14px;font-family:var(--mono);font-size:14px;background:var(--paper);color:var(--ink);margin-bottom:10px}
.login-card button{width:100%;border:none;border-radius:12px;padding:13px;background:var(--signal);color:#fff;font-weight:600;font-size:15px;font-family:var(--body)}
.login-err{color:var(--clay);font-size:12px;font-family:var(--mono);min-height:16px;margin-top:6px}

/* ---------- header ---------- */
header{position:sticky;top:0;z-index:20;background:rgba(234,231,223,.86);backdrop-filter:blur(10px);
  padding:calc(env(safe-area-inset-top) + 12px) 16px 10px;border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:9px;margin-bottom:12px}
.brand .mark{width:26px;height:26px}
.brand h1{font-family:var(--display);font-size:22px;font-weight:600;letter-spacing:-.02em}
.brand h1 .dot{color:var(--signal)}
.brand .count{margin-left:auto;font-family:var(--mono);font-size:10.5px;color:var(--ink-3);text-align:right;line-height:1.4}
.search{display:flex;align-items:center;gap:9px;background:var(--card);border:1px solid var(--line);border-radius:13px;padding:11px 13px}
.search svg{flex:none}
.search input{flex:1;border:none;background:none;font-family:var(--body);font-size:16px;color:var(--ink);outline:none}
.search input::placeholder{color:var(--ink-3)}
.search .clear{font-family:var(--mono);font-size:11px;color:var(--signal);background:none;border:none;padding:4px}
.toggle{display:flex;gap:6px;margin-top:10px}
.toggle .t{font-family:var(--mono);font-size:11px;letter-spacing:.04em;padding:6px 12px;border-radius:9px;color:var(--ink-3);border:1px solid transparent;background:none}
.toggle .t.on{color:var(--signal);background:var(--signal-wash);border-color:rgba(40,64,236,.18)}
.regroup-btn{margin-left:auto;font-family:var(--mono);font-size:11px;letter-spacing:.04em;padding:6px 11px;border-radius:9px;color:var(--clay);background:none;border:1px solid rgba(194,103,61,.28)}
.regroup-btn.on{background:rgba(194,103,61,.1)}
.regroup{background:none;border:none;padding:0}
.rg-row{display:flex;align-items:center;gap:11px}
.rg-cap{font-family:var(--mono);font-size:10px;color:var(--ink-3);text-transform:uppercase;letter-spacing:.06em}
#rg-slider{flex:1;-webkit-appearance:none;height:4px;border-radius:3px;background:linear-gradient(90deg,var(--clay),var(--signal));outline:none}
#rg-slider::-webkit-slider-thumb{-webkit-appearance:none;width:20px;height:20px;border-radius:50%;background:var(--card);border:2px solid var(--signal);box-shadow:0 1px 4px rgba(26,26,22,.25)}
#rg-slider::-moz-range-thumb{width:18px;height:18px;border-radius:50%;background:var(--card);border:2px solid var(--signal)}
.rg-actions{display:flex;align-items:center;gap:10px;margin-top:11px}
.rg-status{flex:1;font-family:var(--mono);font-size:10.5px;color:var(--ink-2);line-height:1.4}
#rg-apply{border:none;border-radius:10px;padding:8px 16px;background:var(--signal);color:#fff;font-weight:600;font-size:13px;font-family:var(--body)}
#rg-apply:disabled{opacity:.5}
.rg-divider{height:1px;background:var(--line-2);margin:12px -13px 11px}
.rp-btn{border:1px solid var(--clay)!important;border-radius:10px;padding:7px 14px;background:none;color:var(--clay);font-weight:600;font-size:12.5px;font-family:var(--body)}
.rp-btn:disabled{opacity:.5}
#banner{margin:10px 16px 0;max-width:760px;background:rgba(194,103,61,.1);border:1px solid rgba(194,103,61,.32);border-radius:11px;padding:10px 13px;font-size:12.5px;color:#8a4a28;line-height:1.45}
#banner b{font-weight:600}
.sheet-foot .reproc{margin-left:auto;font-family:var(--mono);font-size:11px;color:var(--clay);background:none;border:1px solid rgba(194,103,61,.32);border-radius:8px;padding:5px 10px}
.sheet-foot .del{font-family:var(--mono);font-size:11px;color:#b3261e;background:none;border:1px solid rgba(179,38,30,.32);border-radius:8px;padding:5px 10px}
.cn-btn{border:1px solid var(--signal)!important;border-radius:10px;padding:7px 14px;background:none;color:var(--signal);font-weight:600;font-size:12.5px;font-family:var(--body)}
.cn-btn:disabled{opacity:.5}
/* connections in the detail sheet */
.conx{margin-bottom:14px}
.conx .ey{font-family:var(--mono);font-size:9.5px;letter-spacing:.14em;color:var(--signal);text-transform:uppercase;margin-bottom:9px}
.conx ul{list-style:none;display:flex;flex-direction:column;gap:8px;margin:0}
.conx li{padding:10px 12px;background:var(--card);border:1px solid var(--line);border-radius:11px;cursor:pointer}
.conx li::before{display:none}
.conx li .ct{display:block;font-size:13px;font-weight:600;color:var(--ink);margin-bottom:3px}
.conx li .ct::after{content:" ↗";color:var(--signal-soft);font-weight:400}
.conx li .rs{display:block;font-size:11.5px;color:var(--ink-2);line-height:1.4}
.conx .none{font-size:12px;color:var(--ink-3);font-family:var(--mono)}
/* lint view */
.lint-sec{margin-bottom:22px}
.lint-pair .rs{font-family:var(--mono);font-size:10px;color:var(--clay)}

/* ---------- content ---------- */
main{padding:14px 16px 40px;max-width:760px;margin:0 auto}
.status{font-family:var(--mono);font-size:12px;color:var(--ink-3);text-align:center;padding:40px 0}

.cluster{margin-bottom:20px}
.cluster-h{display:flex;align-items:center;gap:9px;margin:0 2px 10px}
.cluster-h .nm{font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-2)}
.cluster-h .ln{height:1px;flex:1;background:var(--line)}
.cluster-h .ct{font-family:var(--mono);font-size:11px;color:var(--ink-3)}
.row{display:flex;gap:10px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:4px;-webkit-overflow-scrolling:touch}
.row::-webkit-scrollbar{display:none}
.row .card{flex:0 0 150px;scroll-snap-align:start}

.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:11px}
.list{display:flex;flex-direction:column;gap:10px}
.list .card{display:flex;gap:11px}
.list .cover{width:88px;height:66px;flex:none}
.list .meta{flex:1;min-width:0;display:flex;flex-direction:column;justify-content:center}

.card{background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden;cursor:pointer}
.card .cover{height:96px;position:relative;display:flex;align-items:flex-end;padding:7px;background-size:cover;background-position:top center}
.card .cover .glyph{position:absolute;top:7px;right:7px;width:20px;height:20px;border-radius:6px;background:rgba(255,255,255,.85);display:flex;align-items:center;justify-content:center;font-size:11px}
.card .cover .src{font-family:var(--mono);font-size:8.5px;color:#fff;background:rgba(0,0,0,.22);padding:2px 6px;border-radius:6px;backdrop-filter:blur(2px)}
.card .meta{padding:9px 10px}
.card .meta p{font-size:12.5px;line-height:1.32;font-weight:500;color:var(--ink);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card .meta .sub{font-family:var(--mono);font-size:9px;color:var(--ink-3);margin-top:5px;text-transform:uppercase;letter-spacing:.04em}

/* gradient placeholders by platform */
.g-web{background:linear-gradient(135deg,#3A4DE0,#93A2FF)}
.g-youtube{background:linear-gradient(135deg,#C2673D,#EBA97A)}
.g-instagram,.g-threads{background:linear-gradient(135deg,#6B4E8A,#B295D2)}
.g-other,.g-text{background:linear-gradient(135deg,#4C7A5E,#A4C6A0)}

/* ---------- detail sheet ---------- */
#sheet{position:fixed;inset:0;z-index:40;display:flex;align-items:flex-end;justify-content:center;background:rgba(26,26,22,.45);opacity:0;pointer-events:none;transition:opacity .2s}
#sheet.open{opacity:1;pointer-events:auto}
.sheet-card{background:var(--paper);width:100%;max-width:620px;max-height:92vh;border-radius:22px 22px 0 0;overflow-y:auto;transform:translateY(20px);transition:transform .24s cubic-bezier(.2,.7,.2,1);padding-bottom:calc(env(safe-area-inset-bottom) + 24px)}
#sheet.open .sheet-card{transform:none}
#sheet-close{position:fixed;top:calc(env(safe-area-inset-top) + 12px);left:14px;z-index:42;width:36px;height:36px;border-radius:50%;border:none;background:rgba(26,26,22,.6);color:#fff;font-size:15px;line-height:1;cursor:pointer;display:none;align-items:center;justify-content:center;box-shadow:0 2px 10px rgba(0,0,0,.25)}
#sheet.open #sheet-close{display:flex}
.sheet-grab{width:38px;height:4px;border-radius:3px;background:var(--line);margin:9px auto 4px;cursor:pointer}
.sheet-grab-btn{display:block;width:100%;background:none;border:none;padding:7px 0 2px}
.sheet-card .hero{width:100%;max-height:320px;object-fit:cover;display:block;border-bottom:1px solid var(--line)}
.hero-wrap{position:relative}
.hero-gallery{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;scrollbar-width:none}
.hero-gallery::-webkit-scrollbar{display:none}
.hero-gallery .hero{flex:0 0 100%;scroll-snap-align:start;max-height:360px}
.gal-badge{position:absolute;right:10px;bottom:10px;font-family:var(--mono);font-size:10px;color:#fff;background:rgba(26,26,22,.62);padding:3px 8px;border-radius:20px;pointer-events:none}
.sheet-card .hero-ph{height:120px}
.sheet-body{padding:16px 18px;overflow-wrap:anywhere}
.sheet-body .ey{font-family:var(--mono);font-size:9.5px;letter-spacing:.14em;color:var(--signal);text-transform:uppercase;margin-bottom:7px}
.sheet-body h2{font-family:var(--display);font-size:20px;font-weight:600;letter-spacing:-.02em;line-height:1.22;margin-bottom:10px}
.sheet-body .summary{font-size:14px;color:var(--ink-2);line-height:1.5;margin-bottom:12px}
.sheet-body .context{font-size:14px;color:var(--ink);line-height:1.62;margin-bottom:14px}
.sheet-body ul{list-style:none;display:flex;flex-direction:column;gap:9px;margin-bottom:14px}
.sheet-body li{font-size:13.5px;color:var(--ink);line-height:1.45;padding-left:16px;position:relative}
.sheet-body li::before{content:"";position:absolute;left:0;top:7px;width:5px;height:5px;border-radius:50%;background:var(--signal-soft)}
.tags{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:14px}
.tag{font-family:var(--mono);font-size:10px;color:var(--ink-2);border:1px solid var(--line);border-radius:6px;padding:3px 7px;cursor:pointer}
.tag:active{background:var(--signal-wash);color:var(--signal);border-color:rgba(40,64,236,.25)}
.sheet-foot{display:flex;flex-wrap:wrap;gap:8px 14px;align-items:center;font-family:var(--mono);font-size:11px;color:var(--ink-3);border-top:1px solid var(--line-2);padding-top:12px}
.sheet-foot a{color:var(--signal);text-decoration:none}
.sheet-foot .chip{background:var(--signal-wash);color:var(--signal);padding:3px 8px;border-radius:7px}

/* failed-notes view */
#banner a{color:var(--clay);font-weight:600;text-decoration:none}
.fail-card .meta{padding:11px 12px}
.fail-card .meta .sub.err{font-family:var(--mono);font-size:11px;color:#b3261e;margin-top:6px;text-transform:none;letter-spacing:0;line-height:1.45;white-space:normal;-webkit-line-clamp:none;display:block}
.fail-src{display:inline-block;margin-top:7px;font-family:var(--mono);font-size:10.5px;color:var(--clay);text-decoration:none}
.fail-acts{display:flex;gap:8px;margin-top:11px}
.fail-acts .reproc{font-family:var(--mono);font-size:11px;color:var(--clay);background:none;border:1px solid rgba(194,103,61,.32);border-radius:8px;padding:5px 10px}
.fail-acts .del{font-family:var(--mono);font-size:11px;color:#b3261e;background:none;border:1px solid rgba(179,38,30,.32);border-radius:8px;padding:5px 10px}
.fail-card.retried{opacity:.55}

/* un-embedded view */
.ue-fix{font-family:var(--mono);font-size:11px;color:var(--clay);background:none;border:1px solid rgba(194,103,61,.32);border-radius:8px;padding:5px 11px;cursor:pointer}
.ue-hint{font-family:var(--mono);font-size:10.5px;color:var(--ink-3);line-height:1.5;margin-bottom:12px}

/* graph view */
.graph-wrap{position:relative;width:100%;height:calc(100dvh - 292px);min-height:380px;border:1px solid var(--line);border-radius:16px;overflow:hidden;background:radial-gradient(120% 120% at 50% 0,#fbfaf6,#f1eee6)}
#graph-canvas{display:block;width:100%;height:100%;touch-action:none;cursor:grab}
#graph-canvas:active{cursor:grabbing}
.graph-hint{position:absolute;left:0;right:0;bottom:8px;text-align:center;font-family:var(--mono);font-size:9.5px;letter-spacing:.04em;color:var(--ink-3);pointer-events:none}


/* ---------- mobile-first shell ---------- */
/* Bottom tab bar: primary navigation in the thumb zone. */
#tabbar{position:fixed;left:0;right:0;bottom:0;z-index:30;display:flex;justify-content:space-around;
  background:rgba(251,250,246,.94);backdrop-filter:blur(12px);border-top:1px solid var(--line);
  padding:6px 4px calc(env(safe-area-inset-bottom) + 6px)}
#tabbar .tab{flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;min-height:48px;
  border:none;background:none;color:var(--ink-3);text-decoration:none;padding:4px 0;border-radius:12px}
#tabbar .tab .ti{font-size:18px;line-height:1.15}
#tabbar .tab .tl{font-family:var(--mono);font-size:9px;letter-spacing:.04em}
#tabbar .tab.on{color:var(--signal)}
#tabbar .tab.on .ti{transform:scale(1.08)}
#tabbar .tab:active{background:var(--signal-wash)}
#tabbar .tab .nav-accent{color:var(--clay)}
main{padding-bottom:calc(env(safe-area-inset-bottom) + 86px)} /* clear the tab bar */

/* Tools sheet shares the note sheet's overlay behaviour. */
#tools{position:fixed;inset:0;z-index:41;display:flex;align-items:flex-end;justify-content:center;
  background:rgba(26,26,22,.45);opacity:0;pointer-events:none;transition:opacity .2s}
#tools.open{opacity:1;pointer-events:auto}
#tools .sheet-card{transform:translateY(20px)}
#tools.open .sheet-card{transform:none}
.sheet-close{position:absolute;top:10px;right:12px;z-index:2;width:36px;height:36px;border-radius:50%;
  border:1px solid var(--line);background:rgba(251,250,246,.9);color:var(--ink-2);font-size:14px;
  display:flex;align-items:center;justify-content:center;cursor:pointer}

/* Thumb-sized tool buttons. */
#rg-apply{min-height:44px;padding:11px 18px;font-size:14px;border-radius:11px}
.rp-btn,.cn-btn{min-height:44px;padding:11px 16px;font-size:13.5px;border-radius:11px}
.sheet-foot .reproc,.sheet-foot .del{min-height:40px;padding:10px 14px;font-size:12px;border-radius:10px}

/* Header slims down on phones; the top toggle row is desktop-only. */
@media (max-width: 699px){
  .toggle{display:none}
  header{padding:calc(env(safe-area-inset-top) + 10px) 14px 10px}
  .brand{margin-bottom:9px}
  .brand h1{font-size:19px}
  .brand .mark{width:23px;height:23px}
  .search{padding:10px 12px}
  .graph-wrap{height:calc(100dvh - 300px)}
}
/* Desktop keeps the top toggles and hides the bottom bar. */
@media (min-width: 700px){
  #tabbar{display:none}
  main{padding-bottom:40px}
  .toggle .t{min-height:36px}
  .regroup-btn{min-height:36px}
  .graph-wrap{height:calc(100dvh - 230px)}
}