/* Research Gap Agent board — Anthropic-ish multi-page */
:root{
  --bg:#f0eee6; --bg-deep:#e7e5db; --card:#faf9f5; --ink:#141413; --muted:#5c5b57;
  --line:#d4d2c8; --line2:#e4e2d8; --accent:#d97757; --blue:#6a9bcc; --green:#3d8b6e;
  --shadow:0 1px 2px rgba(20,20,19,.04), 0 8px 24px rgba(20,20,19,.04);
  --radius:16px; --safe-b:env(safe-area-inset-bottom,0px); --safe-t:env(safe-area-inset-top,0px);
  --nav-h:58px;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--ink);line-height:1.5;-webkit-font-smoothing:antialiased}
button,input,select{font:inherit}
a{color:inherit;text-decoration:none}
.app{min-height:100dvh;padding-bottom:calc(var(--nav-h) + var(--safe-b) + 16px)}

.topbar{position:sticky;top:0;z-index:40;background:rgba(240,238,230,.9);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line);padding:calc(10px + var(--safe-t)) 16px 10px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.brand{display:flex;flex-direction:column;gap:1px;min-width:0}
.brand strong{font-size:.92rem;letter-spacing:-.01em}
.brand span{font-size:.72rem;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.icon-btn{appearance:none;border:1px solid var(--line);background:var(--card);border-radius:999px;padding:8px 12px;font-size:.8rem;font-weight:500;cursor:pointer;color:var(--ink);display:inline-flex;align-items:center}
.icon-btn:active{background:var(--bg-deep)}
.top-links{display:none;gap:4px;flex-wrap:wrap}
.top-links a{font-size:.78rem;color:var(--muted);padding:6px 8px;border-radius:8px}
.top-links a:hover,.top-links a.active{background:var(--bg-deep);color:var(--ink)}
@media(min-width:900px){.top-links{display:flex}.bottom-nav{display:none!important}.app{padding-bottom:40px}}

.wrap{max-width:980px;margin:0 auto;padding:8px 16px 28px}
.hero{padding:28px 18px 8px;max-width:980px;margin:0 auto}
.kicker{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:12px}
.hero h1,.sec-head h2,h1.page-title{font-family:"Crimson Pro",Georgia,serif;font-weight:500;letter-spacing:-.03em;line-height:1.1}
.hero h1{font-size:clamp(2rem,7vw,3rem);margin:0 0 14px}
.page-title{font-size:clamp(1.6rem,5vw,2.2rem);margin:18px 0 8px}
.lede,.sub{color:var(--muted);font-size:clamp(.95rem,2.6vw,1.1rem);max-width:46rem;margin:0 0 16px;line-height:1.55}
.meta-row{display:flex;flex-wrap:wrap;gap:8px 10px;margin-bottom:8px}
.chip{display:inline-flex;align-items:center;gap:6px;padding:6px 10px;border-radius:999px;border:1px solid var(--line);background:var(--card);font-size:.78rem;color:var(--muted)}
.chip b{color:var(--ink);font-weight:600}

section{margin:24px 0}
.sec-head{display:flex;align-items:end;justify-content:space-between;gap:12px;margin-bottom:14px;flex-wrap:wrap}
.sec-head h2{font-size:clamp(1.3rem,4vw,1.65rem);margin:0}
.sec-head p{margin:4px 0 0;color:var(--muted);font-size:.88rem}

.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
@media(min-width:720px){.stats{grid-template-columns:repeat(6,1fr)}}
.stat{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px 12px;box-shadow:var(--shadow)}
.stat b{display:block;font-family:"Crimson Pro",Georgia,serif;font-size:clamp(1.45rem,4vw,1.85rem);font-weight:500;letter-spacing:-.03em;line-height:1}
.stat span{display:block;margin-top:6px;font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}

.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow)}
.card + .card{margin-top:12px}

.charts{display:grid;gap:12px}
@media(min-width:800px){.charts{grid-template-columns:1.1fr 1fr}}
.chart-title{font-size:.8rem;font-weight:600;margin:0 0 10px;color:var(--muted);letter-spacing:.04em;text-transform:uppercase}
.bars{display:flex;flex-direction:column;gap:10px}
.bar-row{display:grid;grid-template-columns:minmax(72px,28%) 1fr 36px;gap:8px;align-items:center;font-size:.82rem}
.bar-label{color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.bar-track{height:10px;background:var(--bg-deep);border-radius:999px;overflow:hidden}
.bar-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--accent),#e8a090)}
.bar-fill.blue{background:linear-gradient(90deg,var(--blue),#9dbfe0)}
.bar-fill.green{background:linear-gradient(90deg,var(--green),#7eb89a)}
.bar-n{text-align:right;font-variant-numeric:tabular-nums;font-weight:600}
.funnel{display:flex;align-items:end;gap:8px;height:160px;padding-top:8px}
.funnel .f{flex:1;display:flex;flex-direction:column;align-items:center;gap:6px;height:100%;justify-content:flex-end}
.funnel .col{width:100%;border-radius:10px 10px 4px 4px;background:var(--ink);min-height:8px;opacity:.92}
.funnel .fl{font-size:.68rem;color:var(--muted);text-align:center;line-height:1.2}
.funnel .fv{font-size:.78rem;font-weight:600}

.checkgrid{display:grid;gap:8px}
@media(min-width:700px){.checkgrid{grid-template-columns:1fr 1fr}}
.check{display:flex;gap:10px;align-items:flex-start;padding:10px 12px;border-radius:12px;border:1px solid var(--line2);background:#fff}
.check .dot{width:18px;height:18px;border-radius:50%;flex:0 0 auto;margin-top:1px;display:grid;place-items:center;font-size:11px;font-weight:700}
.check.done .dot{background:#e4f3ec;color:var(--green)}
.check.todo .dot{background:var(--bg-deep);color:var(--muted)}
.check span{font-size:.9rem}

.toolbar{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}
.search{flex:1 1 160px;min-width:0;padding:11px 12px;border-radius:12px;border:1px solid var(--line);background:#fff;font-size:16px}
.select{padding:11px 12px;border-radius:12px;border:1px solid var(--line);background:#fff;font-size:.9rem}
.table-wrap{overflow:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--line);border-radius:14px;background:#fff}
table{width:100%;border-collapse:collapse;font-size:.86rem;min-width:560px}
th,td{padding:11px 12px;text-align:left;border-bottom:1px solid var(--line2);vertical-align:top}
th{position:sticky;top:0;background:#f7f6f1;font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);font-weight:600;cursor:pointer;user-select:none;white-space:nowrap}
tr:last-child td{border-bottom:0}
tr:hover td{background:#fbfaf6}
td.num{font-variant-numeric:tabular-nums;font-family:"JetBrains Mono",ui-monospace,monospace;font-size:.8rem}
.badge{display:inline-block;padding:2px 8px;border-radius:999px;background:var(--bg-deep);font-size:.72rem;color:var(--muted);white-space:nowrap}
.badge.orange{background:#f8e8e2;color:#9a4b32}
.badge.blue{background:#e7f0f8;color:#3d6f99}
.clamp{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.pager{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-top:10px;font-size:.82rem;color:var(--muted)}
.pager .btns{display:flex;gap:6px}
.pager button{border:1px solid var(--line);background:var(--card);border-radius:999px;padding:7px 12px;cursor:pointer}
.pager button:disabled{opacity:.4;cursor:not-allowed}

.topics{display:grid;gap:12px}
.topic{border:1px solid var(--line);border-radius:16px;background:var(--card);padding:16px;box-shadow:var(--shadow)}
.topic h3{font-family:"Crimson Pro",Georgia,serif;font-weight:500;font-size:1.2rem;margin:0 0 8px;letter-spacing:-.02em;line-height:1.25}
.topic .hyp{color:var(--muted);font-size:.92rem;margin:0 0 12px}
.topic ul{margin:0;padding-left:1.1rem;font-size:.88rem}
.topic li{margin:4px 0}
.topic .foot{margin-top:12px;display:flex;flex-wrap:wrap;gap:6px}

.diag-tabs{display:flex;gap:6px;overflow:auto;padding-bottom:4px;margin-bottom:10px;-webkit-overflow-scrolling:touch}
.diag-tabs button{flex:0 0 auto;border:1px solid var(--line);background:var(--card);border-radius:999px;padding:8px 12px;font-size:.8rem;cursor:pointer}
.diag-tabs button.active{background:var(--ink);color:#faf9f5;border-color:var(--ink)}
.diag-stage{position:relative;border:1px solid var(--line);border-radius:16px;background:#fff;overflow:hidden}
.diag-toolbar{display:flex;gap:6px;align-items:center;padding:8px 10px;border-bottom:1px solid var(--line2);background:#f7f6f1;flex-wrap:wrap}
.diag-toolbar button{border:1px solid var(--line);background:#fff;border-radius:999px;padding:6px 12px;font-size:.78rem;cursor:pointer;font-weight:600;min-width:36px}
.diag-toolbar button:active{background:var(--bg-deep)}
.diag-toolbar .hint{color:var(--muted);font-size:.75rem;padding:0 4px}
.diag-viewport{height:min(72dvh,620px);overflow:auto;-webkit-overflow-scrolling:touch;touch-action:pan-x pan-y;cursor:grab;background:radial-gradient(circle at 1px 1px,#e8e6dc 1px,transparent 0) 0 0/16px 16px,#faf9f5}
.diag-viewport:active{cursor:grabbing}
.diag-canvas{transform-origin:top center;padding:24px 16px 40px;display:flex;justify-content:center;min-width:100%;transition:transform .05s linear}
.diag-canvas .mermaid{display:flex;justify-content:center;width:max-content;max-width:none}
.diag-canvas svg{max-width:none!important;height:auto!important}

.tl-item{display:grid;grid-template-columns:88px 18px 1fr;gap:10px 12px;padding:0 0 22px}
@media(max-width:520px){.tl-item{grid-template-columns:72px 16px 1fr;gap:8px}}
.tl-date{font-size:.72rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--muted);padding-top:4px;text-align:right}
.tl-rail{position:relative;display:flex;justify-content:center}
.tl-rail::before{content:"";position:absolute;top:4px;bottom:-22px;width:2px;background:var(--line)}
.tl-item:last-child .tl-rail::before{display:none}
.tl-dot{width:12px;height:12px;border-radius:50%;background:var(--bg-deep);border:2px solid var(--line);z-index:1;margin-top:6px;flex:0 0 auto}
.tl-item.done .tl-dot{background:var(--green);border-color:var(--green)}
.tl-item.current .tl-dot{background:var(--accent);border-color:var(--accent);box-shadow:0 0 0 4px #f3e8e3}
.tl-item.upcoming .tl-dot,.tl-item.planned .tl-dot{background:#fff;border-color:var(--blue)}
.tl-card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px 14px 12px;box-shadow:var(--shadow)}
.tl-card .lab{font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);font-weight:600;margin-bottom:4px}
.tl-card h3{font-family:"Crimson Pro",Georgia,serif;font-weight:500;font-size:1.15rem;margin:0 0 6px;letter-spacing:-.02em;line-height:1.25}
.tl-card p{margin:0;color:var(--muted);font-size:.9rem;line-height:1.5}
.tl-metrics{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}
.tl-item.current .tl-card{border-color:#e2b7a8}

.docs pre{margin:0;white-space:pre-wrap;word-break:break-word;font-family:"JetBrains Mono",ui-monospace,monospace;font-size:.78rem;line-height:1.45;color:#2a2a28;max-height:70dvh;overflow:auto}
.loading{padding:48px 18px;text-align:center;color:var(--muted)}
.empty{padding:24px;text-align:center;color:var(--muted);font-size:.9rem}
.footer{max-width:980px;margin:12px auto 0;padding:18px 16px 8px;color:var(--muted);font-size:.8rem;border-top:1px solid var(--line)}
.footer a{color:var(--ink);text-decoration:underline}

.bottom-nav{position:fixed;left:0;right:0;bottom:0;z-index:50;display:grid;grid-template-columns:repeat(5,1fr);gap:0;padding:6px 6px calc(6px + var(--safe-b));background:rgba(250,249,245,.94);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-top:1px solid var(--line)}
.bottom-nav a{color:var(--muted);font-size:.62rem;font-weight:600;letter-spacing:.02em;text-align:center;padding:6px 2px;border-radius:10px;display:flex;flex-direction:column;align-items:center;gap:3px}
.bottom-nav a svg{width:20px;height:20px}
.bottom-nav a.active,.bottom-nav a:active{color:var(--ink);background:var(--bg-deep)}

/* login */
body.login{min-height:100dvh;display:grid;place-items:center;padding:24px}
.login-card{width:min(420px,100%);background:var(--card);border:1px solid var(--line);border-radius:18px;padding:28px 22px;box-shadow:0 1px 0 #fff inset}
.login-card h1{font-family:"Crimson Pro",Georgia,serif;font-weight:500;font-size:clamp(1.6rem,5vw,2rem);margin:0 0 8px}
.login-card p{margin:0 0 20px;color:var(--muted);font-size:.95rem}
.login-card label{display:block;font-size:.8rem;color:var(--muted);margin-bottom:8px}
.login-card input{width:100%;padding:14px;border-radius:12px;border:1px solid var(--line);background:#fff;font-size:16px}
.login-card button{margin-top:14px;width:100%;padding:14px;border:0;border-radius:999px;background:var(--ink);color:#faf9f5;font-weight:600;cursor:pointer}
.err{color:#b42318;font-size:.85rem;margin-top:12px;min-height:1.2em}