/* ============================================================
   Finance x AI 90 — application stylesheet
   Built on the sgnk design system v1.3 (tokens verbatim).
   One accent (#1a5cff). Square corners. Hairline chrome.
   No second colour for state — emphasis comes from solid/
   default/muted, never from hue.
   ============================================================ */

@import url('https://fonts.googleapis.com/css?family=Google+Sans:400,500,600,700,800&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Google+Sans+Code:wght@400;500;600&display=swap');

:root{
  /* Color */
  --blue:#1a5cff;
  --blue-soft:#e8efff;
  --ink:#0a0a0a;
  --ink-soft:#3a3a3a;
  --grey:#6b6b6b;
  --grey-soft:#b8b8b8;
  --grey-bg:#f5f5f5;
  --grey-line:#e5e5e5;
  --code-bg:#0a0a0a;
  --code-fg:#e8efff;
  --canvas:#ffffff;

  /* Layout */
  --max:760px;
  --rail:248px;
  --topbar-h:56px;

  /* Spacing (8px base) */
  --gap-xxs:4px; --gap-xs:8px; --gap-sm:12px; --gap-md:18px;
  --gap-lg:24px; --gap-xl:32px; --gap-xxl:48px; --gap-section:64px;

  /* Radius */
  --r-none:0; --r-sm:2px; --r-md:8px; --r-lg:12px; --r-pill:9999px;

  /* Motion */
  --t-micro:.15s ease; --t-ui:.2s ease; --t-node:.13s ease;
}

*{box-sizing:border-box}
html{-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;scroll-behavior:smooth;scroll-padding-top:80px}
body{
  margin:0;
  font-family:'Google Sans','Product Sans',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  color:var(--ink);background:var(--canvas);
  font-size:16px;line-height:1.65;
  overflow-x:hidden;
}
::selection{background:var(--blue);color:var(--canvas)}
:focus-visible{outline:2px solid var(--blue);outline-offset:2px;border-radius:var(--r-sm)}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
button{font-family:inherit}
svg.ic{display:inline-block;vertical-align:-.2em;flex:none}

/* ---------- Skip link ---------- */
.skip-link{position:absolute;left:-9999px;top:0;background:var(--blue);color:#fff;padding:10px 16px;z-index:2000;font-weight:600}
.skip-link:focus{left:8px;top:8px}

/* ============================================================
   Shell — rail (desktop) + topbar + bottom tabs (mobile)
   ============================================================ */
.shell{display:flex;min-height:100vh}

.rail{
  width:var(--rail);flex:none;border-right:1px solid var(--grey-line);
  position:sticky;top:0;height:100vh;display:flex;flex-direction:column;
  background:var(--canvas);z-index:50;
}
.rail-brand{
  padding:18px 20px 14px;border-bottom:1px solid var(--grey-line);
  display:flex;flex-direction:column;gap:2px;
}
.rail-brand .wordmark{font-size:20px;font-weight:700;letter-spacing:.04em;color:var(--ink);line-height:1.1}
.rail-brand .wordmark b{color:var(--ink)}
.rail-brand .wordmark span{color:var(--blue)}
.rail-brand .tag{
  font-family:'Google Sans Code',ui-monospace,monospace;font-size:10px;font-weight:600;
  letter-spacing:.14em;text-transform:uppercase;color:var(--grey);
}
.rail-scroll{overflow-y:auto;flex:1;padding:10px 0 16px}
.rail-group{padding:12px 20px 6px}
.rail-group-label{
  font-family:'Google Sans Code',ui-monospace,monospace;font-size:10px;font-weight:600;
  letter-spacing:.14em;text-transform:uppercase;color:var(--grey-soft);
}
.rail a.navitem{
  display:flex;align-items:center;gap:10px;padding:9px 20px;
  color:var(--ink-soft);font-size:14px;font-weight:600;letter-spacing:.01em;
  border-left:2px solid transparent;transition:background var(--t-micro),color var(--t-micro);
}
.rail a.navitem:hover{background:var(--grey-bg);text-decoration:none;color:var(--ink)}
.rail a.navitem.active{color:var(--blue);border-left-color:var(--blue);background:var(--blue-soft)}
.rail a.navitem .ic{color:currentColor;opacity:.9}
.rail a.navitem .count{margin-left:auto;font-family:'Google Sans Code',ui-monospace,monospace;font-size:11px;color:var(--grey)}
.rail-foot{border-top:1px solid var(--grey-line);padding:12px 20px;font-family:'Google Sans Code',ui-monospace,monospace;font-size:11px;color:var(--grey);display:flex;flex-direction:column;gap:6px}
.rail-foot .savedot{display:inline-flex;align-items:center;gap:6px}
.rail-foot .savedot i{width:6px;height:6px;background:var(--blue);display:inline-block}

.main{flex:1;min-width:0;display:flex;flex-direction:column}

.topbar{
  position:sticky;top:0;z-index:40;height:var(--topbar-h);
  display:flex;align-items:center;gap:12px;padding:0 24px;
  border-bottom:1px solid var(--grey-line);
  background:rgba(255,255,255,.86);backdrop-filter:blur(12px) saturate(1.4);
  -webkit-backdrop-filter:blur(12px) saturate(1.4);
}
.topbar .burger{display:none;background:none;border:1px solid var(--grey-line);padding:7px;cursor:pointer;color:var(--ink)}
.topbar .crumb{font-family:'Google Sans Code',ui-monospace,monospace;font-size:11px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--grey)}
.topbar .spacer{flex:1}
.topbar .tb-progress{display:flex;align-items:center;gap:10px;font-family:'Google Sans Code',ui-monospace,monospace;font-size:11px;color:var(--grey)}
.topbar .tb-bar{width:120px;height:4px;background:var(--grey-line);position:relative;overflow:hidden}
.topbar .tb-bar i{position:absolute;inset:0 auto 0 0;background:var(--blue);transition:width .3s ease}

.kbtn{
  display:inline-flex;align-items:center;gap:7px;height:34px;padding:0 12px;
  border:1px solid var(--grey-line);background:var(--canvas);color:var(--ink-soft);
  font-size:13px;font-weight:600;cursor:pointer;transition:border-color var(--t-ui),color var(--t-ui);
}
.kbtn:hover{border-color:var(--blue);color:var(--blue)}
.kbtn kbd{font-family:'Google Sans Code',ui-monospace,monospace;font-size:10px;border:1px solid var(--grey-line);padding:1px 4px;color:var(--grey)}

.view{flex:1;padding:32px 24px 96px;max-width:1120px;width:100%;margin:0 auto}
.view.narrow{max-width:860px}

/* Mobile bottom tabs */
.tabbar{display:none}

/* ============================================================
   Type
   ============================================================ */
h1.page-title{font-size:clamp(28px,4vw,40px);font-weight:800;line-height:1.1;letter-spacing:-.02em;margin:0 0 6px}
h2.sec{font-size:24px;font-weight:800;line-height:1.2;letter-spacing:-.02em;margin:40px 0 14px}
h3.sub{font-size:17px;font-weight:700;line-height:1.35;margin:26px 0 10px}
.eyebrow{font-family:'Google Sans Code',ui-monospace,monospace;font-size:11px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--blue)}
.eyebrow.muted{color:var(--grey)}
.sub-lead{font-size:17px;color:var(--ink-soft);margin:0 0 8px;max-width:62ch}
.meta-strip{display:flex;flex-wrap:wrap;gap:8px 18px;font-size:13px;color:var(--grey);margin:14px 0 0}
.mono{font-family:'Google Sans Code',ui-monospace,monospace}
.muted{color:var(--grey)}
.faint{color:var(--grey-soft)}

/* ---------- Chips ---------- */
.chip{
  display:inline-flex;align-items:center;gap:5px;
  font-family:'Google Sans Code',ui-monospace,monospace;font-size:10px;font-weight:600;
  letter-spacing:.14em;text-transform:uppercase;
  border:1px solid var(--blue);color:var(--blue);padding:2px 7px;background:transparent;white-space:nowrap;
}
.chip.muted{border-color:var(--grey-line);color:var(--grey)}
.chip.solid{background:var(--blue);border-color:var(--blue);color:#fff}
.chip.tiny{font-size:9px;padding:1px 5px;letter-spacing:.1em}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  border:1px solid var(--grey-line);background:var(--canvas);color:var(--ink);
  padding:9px 15px;font-size:13px;font-weight:600;cursor:pointer;
  transition:border-color var(--t-ui),color var(--t-ui),background var(--t-ui);
}
.btn:hover{border-color:var(--blue);color:var(--blue);text-decoration:none}
.btn.primary{background:var(--blue);border-color:var(--blue);color:#fff}
.btn.primary:hover{background:#1450e6;color:#fff}
.btn.sm{padding:6px 11px;font-size:12px}
.btn.ghost{border-color:transparent;color:var(--grey)}
.btn.ghost:hover{border-color:var(--grey-line);color:var(--blue)}
.btn[disabled]{opacity:.45;cursor:not-allowed}
.btnrow{display:flex;flex-wrap:wrap;gap:8px}

/* ---------- Cards / panels ---------- */
.card{border:1px solid var(--grey-line);background:var(--canvas);padding:20px}
.card + .card{margin-top:14px}
.card-head{display:flex;align-items:flex-start;gap:12px;margin-bottom:12px}
.card-head h3{margin:0;font-size:17px;font-weight:700;line-height:1.3}
.card-head .spacer{flex:1}
.panel{border:1px solid var(--grey-line);background:var(--grey-bg);padding:16px 18px}
.grid{display:grid;gap:14px}
.grid.c2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid.c3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid.c4{grid-template-columns:repeat(4,minmax(0,1fr))}
.stack{display:flex;flex-direction:column;gap:14px}
.row{display:flex;align-items:center;gap:10px}
.row.wrap{flex-wrap:wrap}
.spacer{flex:1}

/* ---------- Stat tiles ---------- */
.stat{border:1px solid var(--grey-line);padding:16px 18px;display:flex;flex-direction:column;gap:4px}
.stat .k{font-family:'Google Sans Code',ui-monospace,monospace;font-size:10px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--grey)}
.stat .v{font-size:30px;font-weight:800;line-height:1.05;letter-spacing:-.02em}
.stat .v small{font-size:15px;font-weight:600;color:var(--grey-soft);letter-spacing:0}
.stat .d{font-size:12.5px;color:var(--grey)}

/* ---------- Progress ---------- */
.bar{height:6px;background:var(--grey-line);position:relative;overflow:hidden}
.bar i{position:absolute;inset:0 auto 0 0;background:var(--blue);transition:width .35s ease}
.bar.thin{height:3px}
.ring{--pct:0;width:112px;height:112px;flex:none;border-radius:var(--r-pill);
  background:conic-gradient(var(--blue) calc(var(--pct)*1%),var(--grey-line) 0);
  display:grid;place-items:center;position:relative}
.ring::after{content:'';position:absolute;inset:9px;background:var(--canvas);border-radius:var(--r-pill)}
.ring .rv{position:relative;z-index:1;text-align:center;line-height:1.05}
.ring .rv b{display:block;font-size:26px;font-weight:800;letter-spacing:-.02em}
.ring .rv span{font-family:'Google Sans Code',ui-monospace,monospace;font-size:9.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--grey)}

/* ============================================================
   Task lists — the core interaction
   ============================================================ */
.block{border:1px solid var(--grey-line);margin-bottom:14px}
.block-head{
  display:flex;align-items:center;gap:10px;padding:12px 16px;
  border-bottom:1px solid var(--grey-line);background:var(--grey-bg);
}
.block-head .bt{font-size:14px;font-weight:700;letter-spacing:-.01em}
.block-head .bm{font-family:'Google Sans Code',ui-monospace,monospace;font-size:11px;color:var(--grey)}
.block-body{padding:6px 0}

.task{
  display:flex;gap:12px;padding:9px 16px;align-items:flex-start;
  border-bottom:1px solid transparent;cursor:pointer;transition:background var(--t-micro);
}
.task:hover{background:var(--grey-bg)}
.task .box{
  flex:none;width:18px;height:18px;border:1.5px solid var(--grey-soft);margin-top:3px;
  display:grid;place-items:center;color:transparent;transition:all var(--t-micro);background:var(--canvas);
}
.task .box .ic{width:14px;height:14px}
.task.done .box{background:var(--blue);border-color:var(--blue);color:#fff}
.task .txt{font-size:14.5px;line-height:1.55;color:var(--ink)}
.task.done .txt{color:var(--grey);text-decoration:line-through;text-decoration-color:var(--grey-soft)}
.task .txt .hint{display:block;font-size:12.5px;color:var(--grey);line-height:1.5;margin-top:2px;text-decoration:none}
.task .txt code{font-family:'Google Sans Code',ui-monospace,monospace;font-size:.9em;background:var(--grey-bg);padding:1px 5px;border:1px solid var(--grey-line)}
.task .tags{margin-left:auto;display:flex;gap:6px;flex:none;padding-left:8px}
.task a.res{color:var(--blue);font-weight:600}

.checkpoint{
  border:1px solid var(--blue);background:var(--blue-soft);padding:14px 16px;
  display:flex;gap:12px;align-items:flex-start;cursor:pointer;margin-top:14px;
}
.checkpoint .box{flex:none;width:20px;height:20px;border:1.5px solid var(--blue);background:var(--canvas);display:grid;place-items:center;color:transparent;margin-top:2px}
.checkpoint.done .box{background:var(--blue);color:#fff}
.checkpoint .cl{font-family:'Google Sans Code',ui-monospace,monospace;font-size:10px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--blue);display:block;margin-bottom:3px}
.checkpoint .ct{font-size:14.5px;line-height:1.55;color:var(--ink)}
.checkpoint.done{background:var(--canvas)}
.checkpoint.done .ct{color:var(--grey)}

/* ---------- Prompt block ---------- */
.prompt{border:1px solid var(--grey-line);border-left:3px solid var(--blue);margin:12px 0;background:var(--canvas)}
.prompt-head{display:flex;align-items:center;gap:10px;padding:10px 14px;border-bottom:1px solid var(--grey-line)}
.prompt-head .pt{font-size:13.5px;font-weight:700}
.prompt-body{
  margin:0;padding:14px;background:var(--code-bg);color:var(--code-fg);
  font-family:'Google Sans Code',ui-monospace,monospace;font-size:12.5px;line-height:1.62;
  white-space:pre-wrap;word-break:break-word;overflow-x:auto;
}
.copybtn{margin-left:auto;border:1px solid var(--grey-line);background:var(--canvas);color:var(--grey);
  font-family:'Google Sans Code',ui-monospace,monospace;font-size:10px;font-weight:600;letter-spacing:.1em;
  text-transform:uppercase;padding:4px 8px;cursor:pointer;display:inline-flex;gap:5px;align-items:center}
.copybtn:hover{border-color:var(--blue);color:var(--blue)}

/* ---------- Readout (how to read it) ---------- */
.readout{border:1px solid var(--blue);border-left-width:3px;padding:14px 16px;font-size:14.5px;line-height:1.62;color:var(--ink-soft);background:var(--canvas)}
.readout b{color:var(--ink)}
.readout .rl{font-family:'Google Sans Code',ui-monospace,monospace;font-size:10px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--blue);display:block;margin-bottom:6px}

/* ============================================================
   Calendar
   ============================================================ */
.calgrid{display:grid;grid-template-columns:64px repeat(7,minmax(0,1fr));gap:6px;align-items:stretch}
.calhead{font-family:'Google Sans Code',ui-monospace,monospace;font-size:10px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--grey);padding:4px 2px;text-align:center}
.calwk{display:flex;align-items:center;justify-content:flex-start;font-family:'Google Sans Code',ui-monospace,monospace;font-size:11px;font-weight:600;color:var(--grey)}
.calcell{
  border:1px solid var(--grey-line);padding:8px;min-height:86px;display:flex;flex-direction:column;gap:4px;
  cursor:pointer;transition:border-color var(--t-ui),box-shadow var(--t-node),transform var(--t-node);
  position:relative;background:var(--canvas);text-align:left;font-family:inherit;
}
.calcell:hover{border-color:var(--blue);box-shadow:0 8px 20px rgba(26,92,255,.14);transform:translateY(-2px);text-decoration:none}
.calcell .dn{font-family:'Google Sans Code',ui-monospace,monospace;font-size:10px;color:var(--grey);letter-spacing:.06em}
.calcell .dt{font-size:12.5px;font-weight:700;line-height:1.25;color:var(--ink)}
.calcell .dd{font-size:10.5px;color:var(--grey);font-family:'Google Sans Code',ui-monospace,monospace}
.calcell .cbar{margin-top:auto;height:3px;background:var(--grey-line);position:relative;overflow:hidden}
.calcell .cbar i{position:absolute;inset:0 auto 0 0;background:var(--blue)}
.calcell.done{background:var(--blue-soft);border-color:var(--blue)}
.calcell.today{border-color:var(--blue);border-width:2px;padding:7px}
.calcell.rest{background:var(--grey-bg)}
.calcell.future .dt{color:var(--ink-soft)}
.calcell .cflag{position:absolute;top:6px;right:6px;color:var(--blue);opacity:.85}

.weekstrip{display:grid;grid-template-columns:repeat(13,minmax(0,1fr));gap:4px}
.weekstrip .ws{height:34px;border:1px solid var(--grey-line);position:relative;overflow:hidden;cursor:pointer;display:grid;place-items:center}
.weekstrip .ws i{position:absolute;inset:auto 0 0 0;background:var(--blue-soft)}
.weekstrip .ws span{position:relative;font-family:'Google Sans Code',ui-monospace,monospace;font-size:10px;font-weight:600;color:var(--grey)}
.weekstrip .ws.active{border-color:var(--blue)}
.weekstrip .ws.active span{color:var(--blue)}

/* ============================================================
   Tables / lists
   ============================================================ */
table.t{width:100%;border-collapse:collapse;font-size:14px}
table.t th{
  text-align:left;font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;
  color:var(--grey);padding:8px 10px;border-bottom:1px solid var(--grey-line);white-space:nowrap;
}
table.t td{padding:10px;border-bottom:1px solid var(--grey-line);vertical-align:top;line-height:1.5}
table.t tr:hover td{background:var(--grey-bg)}

.listrow{display:flex;gap:12px;align-items:flex-start;padding:13px 0;border-bottom:1px solid var(--grey-line)}
.listrow:last-child{border-bottom:0}
.listrow .lt{font-size:15px;font-weight:600;line-height:1.35}
.listrow .ld{font-size:13.5px;color:var(--grey);line-height:1.5;margin-top:2px}

/* ---------- Inputs ---------- */
input[type=text],input[type=url],input[type=date],input[type=number],input[type=search],select,textarea{
  font-family:inherit;font-size:14px;color:var(--ink);background:var(--canvas);
  border:1px solid var(--grey-line);padding:9px 11px;width:100%;
}
textarea{line-height:1.6;resize:vertical;min-height:96px}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--blue)}
label.fl{display:block;font-family:'Google Sans Code',ui-monospace,monospace;font-size:10px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--grey);margin-bottom:6px}
.field{margin-bottom:16px}
.searchwrap{position:relative;display:flex;align-items:center}
.searchwrap .ic{position:absolute;left:11px;color:var(--grey-soft);pointer-events:none}
.searchwrap input{padding-left:36px}

.filters{display:flex;flex-wrap:wrap;gap:7px;margin:14px 0}
.filters button{
  font-family:'Google Sans Code',ui-monospace,monospace;font-size:10px;font-weight:600;letter-spacing:.12em;
  text-transform:uppercase;border:1px solid var(--grey-line);background:var(--canvas);color:var(--grey);
  padding:5px 10px;cursor:pointer;transition:all var(--t-micro);
}
.filters button:hover{border-color:var(--blue);color:var(--blue)}
.filters button.on{background:var(--blue);border-color:var(--blue);color:#fff}

/* ---------- Resource card ---------- */
.rescard{border:1px solid var(--grey-line);padding:16px;display:flex;flex-direction:column;gap:8px;transition:box-shadow var(--t-node),transform var(--t-node),border-color var(--t-ui)}
.rescard:hover{border-color:var(--blue);box-shadow:0 8px 20px rgba(26,92,255,.14);transform:translateY(-2px)}
.rescard .rh{display:flex;align-items:flex-start;gap:10px}
.rescard .rt{font-size:15px;font-weight:700;line-height:1.3}
.rescard .rd{font-size:13.5px;color:var(--ink-soft);line-height:1.5}
.rescard .rf{display:flex;align-items:center;gap:8px;margin-top:auto;padding-top:4px}
.rescard .rurl{font-family:'Google Sans Code',ui-monospace,monospace;font-size:11px;color:var(--grey);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- Empty / toast / modal ---------- */
.empty{border:1px dashed var(--grey-line);padding:40px 20px;text-align:center;color:var(--grey);font-size:14px}
.toast{
  position:fixed;left:50%;bottom:24px;transform:translateX(-50%) translateY(20px);
  background:var(--ink);color:#fff;padding:11px 18px;font-size:13.5px;font-weight:600;
  z-index:3000;opacity:0;pointer-events:none;transition:opacity var(--t-ui),transform var(--t-ui);
  display:flex;align-items:center;gap:9px;max-width:calc(100vw - 32px);
}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

.modal-back{position:fixed;inset:0;background:rgba(10,10,10,.42);z-index:2500;display:none;align-items:flex-start;justify-content:center;padding:80px 16px 16px}
.modal-back.open{display:flex}
.modal{background:var(--canvas);border:1px solid var(--grey-line);width:100%;max-width:640px;max-height:calc(100vh - 120px);display:flex;flex-direction:column;box-shadow:0 20px 60px rgba(10,10,10,.2)}
.modal-head{padding:12px 14px;border-bottom:1px solid var(--grey-line);display:flex;align-items:center;gap:10px}
.modal-body{overflow-y:auto;padding:6px 0}
.cmd-item{display:flex;gap:10px;align-items:center;padding:10px 16px;cursor:pointer;font-size:14px}
.cmd-item:hover,.cmd-item.sel{background:var(--blue-soft);color:var(--blue)}
.cmd-item .ck{margin-left:auto;font-family:'Google Sans Code',ui-monospace,monospace;font-size:10px;color:var(--grey);letter-spacing:.1em;text-transform:uppercase}

/* ---------- Day view specifics ---------- */
.daynav{display:flex;align-items:center;gap:8px;margin-bottom:18px;flex-wrap:wrap}
.daynav .dnav{border:1px solid var(--grey-line);background:var(--canvas);padding:7px 9px;cursor:pointer;color:var(--ink-soft);display:inline-flex}
.daynav .dnav:hover{border-color:var(--blue);color:var(--blue)}
.dayhead{border-bottom:1px solid var(--grey-line);padding-bottom:18px;margin-bottom:22px}
.outputs{display:flex;flex-wrap:wrap;gap:7px;margin-top:10px}
.outputs code{font-family:'Google Sans Code',ui-monospace,monospace;font-size:11.5px;background:var(--grey-bg);border:1px solid var(--grey-line);padding:3px 7px;color:var(--ink-soft)}

.notebox{margin-top:26px;border:1px solid var(--grey-line);padding:16px}
.notebox .nh{display:flex;align-items:center;gap:8px;margin-bottom:10px}
.savedhint{font-family:'Google Sans Code',ui-monospace,monospace;font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--grey-soft)}

/* ---------- Week accordion ---------- */
.wk{border:1px solid var(--grey-line);margin-bottom:12px}
.wk-head{display:flex;align-items:center;gap:12px;padding:14px 16px;cursor:pointer;background:var(--canvas);width:100%;border:0;text-align:left;font-family:inherit}
.wk-head:hover{background:var(--grey-bg)}
.wk-head .wt{font-size:15.5px;font-weight:700}
.wk-head .wn{font-family:'Google Sans Code',ui-monospace,monospace;font-size:11px;color:var(--grey);letter-spacing:.1em}
.wk-body{border-top:1px solid var(--grey-line);display:none}
.wk.open .wk-body{display:block}
.wk-day{display:flex;gap:12px;align-items:center;padding:11px 16px;border-bottom:1px solid var(--grey-line);cursor:pointer}
.wk-day:last-child{border-bottom:0}
.wk-day:hover{background:var(--grey-bg);text-decoration:none}
.wk-day .wd-n{font-family:'Google Sans Code',ui-monospace,monospace;font-size:11px;color:var(--grey);width:54px;flex:none}
.wk-day .wd-t{font-size:14px;font-weight:600;color:var(--ink)}
.wk-day .wd-b{width:64px;flex:none;margin-left:auto}

/* ---------- Print ---------- */
@media print{
  .rail,.topbar,.tabbar,.toast,.modal-back,.btnrow,.copybtn{display:none !important}
  .view{padding:0;max-width:none}
  .task,.card,.block{break-inside:avoid}
  a{color:var(--ink);text-decoration:none}
  .prompt-body{background:#fff;color:#000;border:1px solid #ccc}
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width:1100px){
  .grid.c4{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:900px){
  .rail{position:fixed;left:0;top:0;bottom:0;transform:translateX(-100%);transition:transform .22s ease;box-shadow:0 0 40px rgba(10,10,10,.14)}
  body.navopen .rail{transform:translateX(0)}
  body.navopen::after{content:'';position:fixed;inset:0;background:rgba(10,10,10,.35);z-index:45}
  .topbar .burger{display:inline-flex}
  .grid.c3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .calgrid{grid-template-columns:44px repeat(7,minmax(0,1fr));gap:4px}
  .calcell{min-height:70px;padding:6px}
  .calcell .dt{font-size:11px}
  .calcell .dd{display:none}
}
@media (max-width:640px){
  .view{padding:20px 14px 110px}
  h1.page-title{font-size:26px}
  h2.sec{font-size:20px;margin:30px 0 12px}
  .grid.c2,.grid.c3,.grid.c4{grid-template-columns:1fr}
  .topbar{padding:0 14px}
  .topbar .tb-progress .tb-bar{width:70px}
  .topbar .crumb{display:none}
  .card{padding:16px}
  .task{padding:10px 12px}
  .task .txt{font-size:14px}
  .task .tags{display:none}
  .ring{width:96px;height:96px}
  .stat .v{font-size:24px}

  /* week rail becomes horizontal scroller */
  .calgrid{grid-template-columns:repeat(7,minmax(58px,1fr));overflow-x:auto;padding-bottom:6px}
  .calwk{display:none}
  .calhead:first-child{display:none}

  .weekstrip{grid-template-columns:repeat(7,minmax(0,1fr))}

  /* bottom tabs */
  .tabbar{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:60;
    background:rgba(255,255,255,.94);backdrop-filter:blur(12px) saturate(1.4);
    -webkit-backdrop-filter:blur(12px) saturate(1.4);
    border-top:1px solid var(--grey-line);padding:6px 4px env(safe-area-inset-bottom);
  }
  .tabbar a{
    flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;padding:6px 2px;
    color:var(--grey);font-family:'Google Sans Code',ui-monospace,monospace;font-size:9px;
    font-weight:600;letter-spacing:.06em;text-transform:uppercase;min-height:44px;justify-content:center;
  }
  .tabbar a.active{color:var(--blue)}
  .tabbar a:hover{text-decoration:none}
  .modal-back{padding:60px 10px 10px}
}

/* ============================================================
   Task detail drawer
   ============================================================ */
.drawer-back{
  position:fixed;inset:0;background:rgba(10,10,10,.32);z-index:1400;
  opacity:0;pointer-events:none;transition:opacity var(--t-ui);
}
.drawer-back.open{opacity:1;pointer-events:auto}

.drawer{
  position:fixed;top:0;right:0;bottom:0;z-index:1500;
  width:clamp(520px, 48vw, 900px);max-width:100vw;
  background:var(--canvas);border-left:1px solid var(--grey-line);
  transform:translateX(100%);transition:transform .24s cubic-bezier(.4,0,.2,1);
  display:flex;flex-direction:column;box-shadow:-8px 0 40px rgba(10,10,10,.10);
}
.drawer-grab{display:none}
.drawer.open{transform:translateX(0)}
.drawer-head{
  flex:none;padding:16px 26px;border-bottom:1px solid var(--grey-line);
  display:flex;align-items:flex-start;gap:10px;background:var(--canvas);
}
.drawer-head .dmeta{font-family:'Google Sans Code',ui-monospace,monospace;font-size:10px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--grey);display:block;margin-bottom:3px}
.drawer-head .dtitle{font-size:16.5px;font-weight:700;line-height:1.35;letter-spacing:-.01em}
.drawer-close{border:1px solid var(--grey-line);background:var(--canvas);color:var(--grey);padding:6px;cursor:pointer;flex:none;display:inline-flex}
.drawer-close:hover{border-color:var(--blue);color:var(--blue)}
.drawer-body{flex:1;overflow-y:auto;padding:22px 26px 32px;-webkit-overflow-scrolling:touch}
.drawer-body > .dsec{max-width:66ch}
.drawer-body .flow,.drawer-body .prompt{max-width:none}
.drawer-foot{
  flex:none;border-top:1px solid var(--grey-line);padding:10px 20px;
  display:flex;align-items:center;gap:8px;background:var(--canvas);
}

.dsec{margin-bottom:22px}
.dsec:last-child{margin-bottom:0}
.dsec-h{
  font-family:'Google Sans Code',ui-monospace,monospace;font-size:10px;font-weight:600;
  letter-spacing:.14em;text-transform:uppercase;color:var(--blue);
  display:flex;align-items:center;gap:7px;margin-bottom:9px;
}
.dsec-h.muted{color:var(--grey)}
.dsec p{margin:0;font-size:14.5px;line-height:1.62;color:var(--ink-soft)}
.dsec p b,.dsec li b{color:var(--ink)}

ol.dsteps{margin:0;padding:0;list-style:none;counter-reset:s}
ol.dsteps li{
  counter-increment:s;position:relative;padding:0 0 12px 30px;
  font-size:14.5px;line-height:1.6;color:var(--ink);
}
ol.dsteps li::before{
  content:counter(s);position:absolute;left:0;top:1px;
  width:20px;height:20px;border:1px solid var(--blue);color:var(--blue);
  font-family:'Google Sans Code',ui-monospace,monospace;font-size:10.5px;font-weight:600;
  display:grid;place-items:center;
}
ol.dsteps li:last-child{padding-bottom:0}

ul.dpit{margin:0;padding:0;list-style:none}
ul.dpit li{
  position:relative;padding:0 0 10px 22px;font-size:14px;line-height:1.58;color:var(--ink-soft);
}
ul.dpit li::before{content:'';position:absolute;left:4px;top:9px;width:6px;height:6px;background:var(--grey-soft)}
ul.dpit li:last-child{padding-bottom:0}

.ddone{border:1px solid var(--blue);border-left-width:3px;padding:12px 14px;font-size:14.5px;line-height:1.58;color:var(--ink)}
.ddone .dl{font-family:'Google Sans Code',ui-monospace,monospace;font-size:10px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--blue);display:block;margin-bottom:5px}

.dlink{
  display:flex;align-items:flex-start;gap:9px;padding:10px 0;border-bottom:1px solid var(--grey-line);
  font-size:14px;color:var(--ink);
}
.dlink .ic{margin-top:2px}
.dlink:last-child{border-bottom:0}
.dlink:hover{text-decoration:none;color:var(--blue)}
.dlink .dl-t{font-weight:600;flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.dlink .dl-d{display:block;font-weight:400;font-size:12.5px;color:var(--grey);white-space:normal}

.dalso{border:1px solid var(--grey-line);margin-bottom:10px}
.dalso summary{
  padding:10px 13px;cursor:pointer;font-size:13.5px;font-weight:600;list-style:none;
  display:flex;align-items:center;gap:8px;color:var(--ink-soft);
}
.dalso summary::-webkit-details-marker{display:none}
.dalso summary:hover{color:var(--blue)}
.dalso[open] summary{border-bottom:1px solid var(--grey-line)}
.dalso .dalso-b{padding:14px 13px}

.dsrc{font-family:'Google Sans Code',ui-monospace,monospace;font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--grey-soft);margin-top:18px;display:block}

/* the task row gets an affordance */
.task .open-detail{
  margin-left:auto;flex:none;color:var(--grey-soft);opacity:0;transition:opacity var(--t-micro);
  display:inline-flex;align-items:center;padding-left:8px;
}
.task:hover .open-detail,.task:focus-within .open-detail{opacity:1}
.task.active-detail{background:var(--blue-soft)}

/* ---------- flow diagrams ---------- */
.flow{border:1px solid var(--grey-line);padding:16px;margin:12px 0}
.flow-t{font-size:14px;font-weight:700;margin-bottom:12px}
.flow-row{display:flex;flex-wrap:wrap;align-items:stretch;gap:8px;margin-bottom:12px}
.flow-row:last-of-type{margin-bottom:0}
.flow-lab{
  font-family:'Google Sans Code',ui-monospace,monospace;font-size:9.5px;font-weight:600;
  letter-spacing:.12em;text-transform:uppercase;color:var(--grey);
  align-self:center;flex:none;min-width:46px;
}
.fnode{
  border:1px solid var(--blue);border-radius:var(--r-md);padding:8px 10px;
  font-family:'Google Sans Code',ui-monospace,monospace;font-size:11px;line-height:1.42;
  color:var(--ink);background:var(--canvas);flex:1 1 auto;min-width:96px;
  box-shadow:0 1px 3px rgba(26,92,255,.12);white-space:pre-line;
}
.fnode.plain{border-color:var(--grey-line);box-shadow:0 1px 3px rgba(10,10,10,.06)}
.farrow{align-self:center;color:var(--blue);flex:none;opacity:.75}
.flow-read{margin-top:14px}

/* ---------- bottom sheet: any phone or tablet ---------- */
@media (max-width:900px){
  .drawer{
    left:0;right:0;top:auto;bottom:0;width:100%;
    height:88vh;max-height:88vh;
    border-left:0;border-top:1px solid var(--grey-line);
    border-radius:var(--r-md) var(--r-md) 0 0;
    transform:translateY(100%);
    box-shadow:0 -8px 40px rgba(10,10,10,.18);
  }
  .drawer.open{transform:translateY(0)}
  .drawer-back.open{background:rgba(10,10,10,.45)}
  .drawer-grab{
    display:block;flex:none;padding:9px 0 3px;text-align:center;cursor:grab;touch-action:none;
  }
  .drawer-grab i{display:inline-block;width:38px;height:4px;border-radius:var(--r-pill);background:var(--grey-line)}
  .drawer-head{padding:4px 18px 14px}
  .drawer-body{padding:16px 18px 28px}
  .drawer-body > .dsec{max-width:none}
  .drawer-foot{padding:10px 14px calc(10px + env(safe-area-inset-bottom))}
  body.drawer-open{overflow:hidden}
}
@supports (height: 88svh){
  @media (max-width:900px){ .drawer{height:88svh;max-height:88svh} }
}

@media (max-width:640px){
  .drawer-body{padding:16px 14px 24px}
  .task .open-detail{opacity:1}
  .flow-row{gap:6px}
  .fnode{flex:1 1 100%}
  .farrow{transform:rotate(90deg);margin:0 auto}
  .flow-lab{flex:1 1 100%}
}

/* ============================================================
   Library — the Finance x AI reading + watching hub
   ============================================================ */
.libcard{
  display:flex;flex-direction:column;border:1px solid var(--grey-line);background:var(--canvas);
  overflow:hidden;transition:box-shadow var(--t-node),transform var(--t-node),border-color var(--t-ui);
  color:var(--ink);
}
.libcard:hover{border-color:var(--blue);box-shadow:0 8px 20px rgba(26,92,255,.14);transform:translateY(-2px);text-decoration:none}
.libcard.is-done{background:var(--grey-bg)}
.libcard.is-done .libcard-t{color:var(--grey)}
.libthumb{width:100%;aspect-ratio:16/9;object-fit:cover;display:block;border-bottom:1px solid var(--grey-line);background:var(--grey-bg)}
.libcard-b{padding:15px 16px 13px;display:flex;flex-direction:column;flex:1}
.libcard-t{font-size:15.5px;font-weight:700;line-height:1.32;letter-spacing:-.01em}
.libcard-m{font-family:'Google Sans Code',ui-monospace,monospace;font-size:10.5px;color:var(--grey);margin-top:5px}
.libcard-s{font-size:13.5px;color:var(--ink-soft);line-height:1.5;margin-top:9px}
.libcard-f{display:flex;align-items:center;margin-top:auto;padding-top:12px}

.ytwrap{position:relative;width:100%;aspect-ratio:16/9;border:1px solid var(--grey-line);background:var(--code-bg)}
.ytwrap iframe{position:absolute;inset:0;width:100%;height:100%;border:0}

.numgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px}
.numcell{border:1px solid var(--grey-line);border-left:3px solid var(--blue);padding:12px 14px;display:flex;flex-direction:column;gap:3px}
.numcell b{font-size:24px;font-weight:800;letter-spacing:-.02em;line-height:1.05}
.numcell span{font-size:13px;color:var(--ink-soft);line-height:1.4}
.numcell i{font-family:'Google Sans Code',ui-monospace,monospace;font-size:10.5px;color:var(--grey);font-style:normal;line-height:1.45}

.hl{display:flex;gap:12px;padding:13px 0;border-bottom:1px solid var(--grey-line)}
.hl:last-child{border-bottom:0}
.hl-n{
  flex:none;width:22px;height:22px;border:1px solid var(--blue);color:var(--blue);
  font-family:'Google Sans Code',ui-monospace,monospace;font-size:11px;font-weight:600;
  display:grid;place-items:center;margin-top:2px;
}
.hl-t{font-size:15px;font-weight:700;line-height:1.35;margin-bottom:4px}
.hl-d{font-size:14.5px;line-height:1.6;color:var(--ink-soft)}

.recallcard{min-height:280px;display:flex;flex-direction:column}
.recallcard .rq{font-size:21px;font-weight:700;line-height:1.35;letter-spacing:-.01em}
.recallcard .ra{font-size:15px;line-height:1.62;color:var(--ink-soft);margin-top:16px;border-top:1px solid var(--grey-line);padding-top:16px}
.recallcard .rhint{font-family:'Google Sans Code',ui-monospace,monospace;font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--grey-soft);margin-top:16px}

@media (max-width:640px){
  .libcard-t{font-size:15px}
  .numcell b{font-size:21px}
  .recallcard .rq{font-size:18px}
}

/* ============================================================
   PWA chrome — reading progress, back to top, update bar
   ============================================================ */
.readbar{
  position:fixed;top:0;left:0;height:3px;width:0;background:var(--blue);
  z-index:1600;transition:width .08s linear;pointer-events:none;
}

.to-top{
  position:fixed;right:20px;bottom:24px;width:44px;height:44px;
  border:0;border-radius:var(--r-pill);background:var(--ink);color:#fff;
  cursor:pointer;display:grid;place-items:center;z-index:900;
  box-shadow:0 6px 20px rgba(10,10,10,.18);
  opacity:0;pointer-events:none;transform:translateY(8px);
  transition:opacity var(--t-ui),transform var(--t-ui);
}
.to-top.show{opacity:1;pointer-events:auto;transform:translateY(0)}
.to-top:hover{background:var(--blue)}

.updatebar{
  position:fixed;left:50%;bottom:24px;transform:translateX(-50%) translateY(16px);
  background:var(--canvas);border:1px solid var(--blue);
  padding:10px 12px 10px 16px;display:flex;align-items:center;gap:10px;
  font-size:13.5px;font-weight:600;z-index:2600;
  box-shadow:0 8px 30px rgba(10,10,10,.16);
  opacity:0;transition:opacity var(--t-ui),transform var(--t-ui);
  max-width:calc(100vw - 32px);
}
.updatebar.show{opacity:1;transform:translateX(-50%) translateY(0)}

@media (max-width:640px){
  .to-top{right:14px;bottom:78px;width:40px;height:40px}
  .updatebar{bottom:78px;left:14px;right:14px;transform:translateY(16px);max-width:none}
  .updatebar.show{transform:translateY(0)}
}
@media print{ .readbar,.to-top,.updatebar{display:none !important} }

/* ============================================================
   The Path — staged career flow
   ============================================================ */
.pathstage{display:flex;gap:16px;margin-top:26px}
.pathstage-rail{flex:none;display:flex;flex-direction:column;align-items:center;width:34px}
.pathstage-n{
  width:34px;height:34px;border:1px solid var(--grey-line);background:var(--canvas);
  display:grid;place-items:center;font-family:'Google Sans Code',ui-monospace,monospace;
  font-size:14px;font-weight:600;color:var(--grey);flex:none;
}
.pathstage.active .pathstage-n{border-color:var(--blue);color:var(--blue);border-width:2px}
.pathstage-line{flex:1;width:1px;background:var(--grey-line);margin-top:6px;min-height:30px}
.pathstage-body{flex:1;min-width:0;padding-bottom:6px}
.pathstage.active .pathstage-body > .card{border-color:var(--blue)}
@media (max-width:640px){
  .pathstage{gap:10px}
  .pathstage-rail{width:26px}
  .pathstage-n{width:26px;height:26px;font-size:12px}
}

/* ============================================================
   Inline study blocks on day pages
   ============================================================ */
.study{border:1px solid var(--grey-line);padding:18px;margin-bottom:16px;background:var(--canvas)}
.study.is-done{background:var(--grey-bg)}
.study-head{display:flex;gap:12px;align-items:flex-start;margin-bottom:12px}
.study-t{font-size:17px;font-weight:700;line-height:1.3;letter-spacing:-.01em}
.study-p{font-size:14.5px;line-height:1.62;color:var(--ink-soft);margin:10px 0 0}
.study-p b{color:var(--ink)}
.study .ytwrap{margin:12px 0}
.pdfwrap{border:1px solid var(--grey-line);margin-top:14px}
.pdfwrap summary{padding:11px 14px;cursor:pointer;font-size:13.5px;font-weight:600;list-style:none;display:flex;align-items:center;gap:8px;color:var(--blue)}
.pdfwrap summary::-webkit-details-marker{display:none}
.pdfwrap[open] summary{border-bottom:1px solid var(--grey-line)}
.pdfwrap iframe{width:100%;height:70vh;border:0;display:block;background:var(--grey-bg)}
@media (max-width:640px){.study{padding:14px}.pdfwrap iframe{height:60vh}}