/* start.ailedger.dev — the AILedger portal. Same palette as status/verify/docs and the id/vault themes.
   CSP is default-src 'none' + style-src 'self': every style lives here (no inline styles, no scripts). */
:root{--bg:#fbfaf7;--fg:#1b1d1f;--muted:#5d6268;--line:#dedbd3;--card:#fff;--card-hi:#f6f4ef;--accent:#1d4ed8;--accent-hover:#163ea8;--accent-fg:#fff;--accent-soft:#e8eefc;--up:#1f7a45;--deg:#a86b00;--down:#b3261e;--none:#a9a59c;--code:#f1efe9;--shadow:0 1px 2px rgba(27,29,31,.04),0 6px 20px rgba(29,78,216,.06)}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--bg:#121416;--fg:#e6e4df;--muted:#9aa0a6;--line:#2c3034;--card:#191c1f;--card-hi:#1f2327;--accent:#8fb2ff;--accent-hover:#b8cdff;--accent-fg:#0d1117;--accent-soft:#1a2a4a;--up:#5cc58a;--deg:#e7b04d;--down:#ff7b6e;--none:#5a6066;--code:#22262a;--shadow:0 1px 2px rgba(0,0,0,.3)}}
:root[data-theme="dark"]{--bg:#121416;--fg:#e6e4df;--muted:#9aa0a6;--line:#2c3034;--card:#191c1f;--card-hi:#1f2327;--accent:#8fb2ff;--accent-hover:#b8cdff;--accent-fg:#0d1117;--accent-soft:#1a2a4a;--up:#5cc58a;--deg:#e7b04d;--down:#ff7b6e;--none:#5a6066;--code:#22262a;--shadow:0 1px 2px rgba(0,0,0,.3)}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.55 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;-webkit-font-smoothing:antialiased}
a{color:var(--accent)}a:hover{color:var(--accent-hover)}
.muted{color:var(--muted)}
code{background:var(--code);border-radius:4px;padding:1px 5px;font-size:.9em;word-break:break-all}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}

/* header */
.bar{position:sticky;top:0;z-index:5;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:saturate(1.4) blur(10px);-webkit-backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}
.bar-in{max-width:1040px;margin:0 auto;padding:10px 16px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--fg);text-decoration:none;font-weight:800;font-size:1.15rem;letter-spacing:-.01em}
.brand:hover{color:var(--fg)}
.mark{width:30px;height:30px;flex:none;display:block}
.nav{display:flex;align-items:center;gap:6px}
.nav a{color:var(--muted);text-decoration:none;font-weight:600;font-size:.9rem;padding:7px 10px;border-radius:8px;white-space:nowrap}
.nav a:hover{color:var(--fg);background:var(--card-hi)}
.nav a.on{color:var(--accent)}

main{max-width:1040px;margin:0 auto;padding:28px 16px 56px}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--accent);color:var(--accent-fg);text-decoration:none;font-weight:700;padding:11px 18px;border-radius:10px;border:0;font-size:1rem;line-height:1.2}
.btn:hover{background:var(--accent-hover);color:var(--accent-fg)}
.btn.ghost{background:transparent;color:var(--fg);box-shadow:inset 0 0 0 1px var(--line)}
.btn.ghost:hover{background:var(--card-hi);color:var(--fg)}
.btn.block{display:flex;width:100%}

/* hero */
.hero{margin:6px 0 22px}
.hero h1{font-size:clamp(1.7rem,5.2vw,2.4rem);line-height:1.12;letter-spacing:-.025em;margin:0 0 6px;font-weight:800}
.hero p{margin:0;color:var(--muted)}

/* setup banner */
.setup{display:grid;grid-template-columns:1fr;gap:14px;background:linear-gradient(135deg,var(--accent-soft),var(--card));border:1px solid var(--line);border-left:4px solid var(--accent);border-radius:14px;padding:18px;margin:0 0 26px;box-shadow:var(--shadow)}
.setup h2{margin:0 0 4px;font-size:1.15rem}
.setup p{margin:0;color:var(--muted)}
.setup .acts{display:flex;flex-wrap:wrap;gap:8px}
@media (min-width:720px){.setup{grid-template-columns:1fr auto;align-items:center;padding:20px 22px}}

/* sections + tiles */
.sec{margin:0 0 24px}
.sec h2{font-size:.78rem;text-transform:uppercase;letter-spacing:.12em;color:var(--muted);margin:0 0 10px;font-weight:700}
.grid{display:grid;grid-template-columns:1fr;gap:10px}
@media (min-width:560px){.grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:900px){.grid{grid-template-columns:repeat(3,1fr)}}
.tile{display:flex;gap:14px;align-items:flex-start;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px;text-decoration:none;color:var(--fg);box-shadow:var(--shadow);transition:border-color .15s,transform .15s}
a.tile:hover{border-color:var(--accent);color:var(--fg);transform:translateY(-1px)}
.ico{width:42px;height:42px;flex:none;border-radius:11px;background:var(--accent-soft);color:var(--accent);display:flex;align-items:center;justify-content:center}
.ico svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.tb{min-width:0;flex:1}
.tt{display:flex;align-items:center;justify-content:space-between;gap:8px}
.name{font-weight:700;font-size:1.02rem}
.what{font-size:.88rem;color:var(--muted);margin-top:2px;line-height:1.4}
.meta{display:flex;align-items:center;gap:6px;flex:none}
.tag{font-size:.7rem;border:1px solid var(--line);border-radius:999px;padding:0 7px;color:var(--muted);line-height:1.6}
.dot{display:inline-block;width:10px;height:10px;border-radius:50%;background:var(--none);flex:none}
.dot.up{background:var(--up);box-shadow:0 0 0 3px color-mix(in srgb,var(--up) 18%,transparent)}
.dot.degraded{background:var(--deg)}.dot.down{background:var(--down)}
.legend{font-size:.82rem;color:var(--muted);display:flex;gap:14px;flex-wrap:wrap;align-items:center;margin-top:6px}
.legend .dot{margin-right:5px;vertical-align:-1px}
footer{font-size:.85rem;color:var(--muted);margin-top:30px;padding-top:16px;border-top:1px solid var(--line)}

/* guide */
.note{background:var(--card);border:1px solid var(--line);border-left:4px solid var(--accent);border-radius:10px;padding:12px 14px;margin:0 0 18px}
ol.steps{list-style:none;padding:0;margin:18px 0;counter-reset:s}
ol.steps>li{counter-increment:s;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px 16px 12px 60px;margin:0 0 12px;position:relative;box-shadow:var(--shadow)}
ol.steps>li::before{content:counter(s);position:absolute;left:16px;top:15px;width:30px;height:30px;border-radius:50%;background:var(--accent);color:var(--accent-fg);font-weight:800;display:flex;align-items:center;justify-content:center}
ol.steps>li.done::before{content:"\2713"}
ol.steps h2{font-size:1.12rem;margin:2px 0 6px}
ol.steps ol,ol.steps ul{padding-left:20px;margin:6px 0}ol.steps li li{margin:3px 0}
ol.steps p{margin:6px 0}
h2.trouble{font-size:1.15rem;margin:28px 0 10px}
details{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:10px 14px;margin:0 0 8px}
summary{cursor:pointer;font-weight:600}
details p{margin:8px 0 2px}

/* public sign-in */
.signin{min-height:100vh;min-height:100dvh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:32px 16px}
.signin .card{width:100%;max-width:400px;background:var(--card);border:1px solid var(--line);border-top:4px solid var(--accent);border-radius:16px;padding:30px 24px 26px;box-shadow:var(--shadow);text-align:center}
.signin .mark{width:56px;height:56px;margin:0 auto 16px}
.signin h1{font-size:1.6rem;letter-spacing:-.02em;margin:0 0 6px}
.signin p{color:var(--muted);margin:0 0 22px}
.signin small{display:block;margin-top:18px;color:var(--muted);font-size:.82rem}
.signin .foot{margin-top:18px;font-size:.8rem;color:var(--muted)}