:root {
  --paper: oklch(96.5% 0.012 85);
  --paper-2: oklch(93.5% 0.016 85);
  --paper-3: oklch(89.5% 0.02 85);
  --ink: oklch(24% 0.025 160);
  --ink-2: oklch(42% 0.025 160);
  --ink-3: oklch(58% 0.02 140);
  --rule: oklch(84% 0.02 90);
  --pine: oklch(40% 0.08 160);
  --pine-wash: oklch(91% 0.04 160);
  --signal: oklch(62% 0.19 38);
  --signal-wash: oklch(92% 0.05 50);
  --amber: oklch(74% 0.14 80);
  --amber-wash: oklch(93% 0.06 90);
  --display: "Bricolage Grotesque", "Avenir Next", sans-serif;
  --body: "Hanken Grotesk", "Avenir Next", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, Menlo, monospace;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}
* { box-sizing: border-box; }
html { background: var(--paper); color: var(--ink); font: 400 15px/1.5 var(--body); -webkit-font-smoothing: antialiased; }
body { margin: 0; min-height: 100vh; }
button, input, select, textarea { font: inherit; color: inherit; }
h1, h2, h3 { font-family: var(--display); font-weight: 700; letter-spacing: -0.02em; margin: 0; line-height: 1.1; }
h1 { font-size: clamp(1.9rem, 1.4rem + 2vw, 2.9rem); }
h2 { font-size: 1.25rem; }
h3 { font-size: 0.78rem; font-family: var(--body); font-weight: 600; letter-spacing: 0.09em; text-transform: uppercase; color: var(--ink-3); }
p { margin: 0; }
a { color: var(--pine); }
code, .mono { font-family: var(--mono); font-size: 0.86em; }
.muted { color: var(--ink-3); }
.small { font-size: 0.87rem; }

/* ---------- shell ---------- */
.shell { display: grid; grid-template-columns: 15rem minmax(0, 1fr); min-height: 100vh; background: linear-gradient(to right, var(--ink) 15rem, transparent 15rem); }
.rail { background: var(--ink); color: var(--paper); padding: 1.6rem 1.2rem; display: flex; flex-direction: column; gap: 2.2rem; position: sticky; top: 0; height: 100vh; }
.mark { font-family: var(--display); font-weight: 700; font-size: 1.35rem; letter-spacing: -0.03em; line-height: 1; }
.mark span { display: block; color: var(--signal); font-size: 0.72rem; font-family: var(--body); font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; margin-bottom: 0.45rem; }
.nav { display: flex; flex-direction: column; gap: 0.15rem; }
.nav button { all: unset; cursor: pointer; padding: 0.5rem 0.7rem; border-radius: 0.4rem; color: oklch(82% 0.02 120); display: flex; justify-content: space-between; align-items: center; transition: background 0.2s var(--ease), color 0.2s; }
.nav button:hover { color: var(--paper); background: oklch(31% 0.03 160); }
.nav button[aria-current="page"] { background: var(--paper); color: var(--ink); font-weight: 600; }
.nav button:focus-visible, .btn:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible { outline: 2px solid var(--signal); outline-offset: 2px; }
.count { font-family: var(--mono); font-size: 0.72rem; background: var(--signal); color: var(--paper); padding: 0.05rem 0.4rem; border-radius: 1rem; }
.rail-foot { margin-top: auto; display: grid; gap: 0.7rem; font-size: 0.85rem; color: oklch(80% 0.02 120); }
.lamp-row { display: flex; align-items: center; gap: 0.55rem; }
.lamp { width: 0.6rem; height: 0.6rem; border-radius: 50%; background: var(--ink-3); flex: none; }
.lamp.on { background: oklch(78% 0.17 150); box-shadow: 0 0 0 3px oklch(78% 0.17 150 / 0.2); }
.lamp.off { background: var(--signal); box-shadow: 0 0 0 3px oklch(62% 0.19 38 / 0.25); }
.lamp.warn { background: var(--amber); }
.linkish { all: unset; cursor: pointer; text-decoration: underline; text-underline-offset: 3px; color: inherit; }

main { padding: clamp(1.4rem, 1rem + 2.5vw, 3.2rem); max-width: 68rem; width: 100%; }
.view { display: grid; gap: 2.4rem; animation: rise 0.45s var(--ease); }
@keyframes rise { from { opacity: 0; transform: translateY(8px); } }
.head { display: grid; gap: 0.5rem; max-width: 44rem; }
.head p { color: var(--ink-2); font-size: 1.05rem; }
section { display: grid; gap: 0.9rem; }
.rule-top { border-top: 1px solid var(--rule); padding-top: 1.1rem; }

/* ---------- banner ---------- */
.banner { padding: 0.85rem 1.1rem; border-radius: 0.5rem; background: var(--signal-wash); color: oklch(36% 0.12 38); display: flex; gap: 1rem; align-items: baseline; justify-content: space-between; flex-wrap: wrap; }
.banner.calm { background: var(--pine-wash); color: var(--pine); }
.banner strong { font-weight: 600; }

/* ---------- status board ---------- */
.board { display: grid; grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr)); border-top: 2px solid var(--ink); }
.board > div { padding: 0.9rem 1rem 1rem 0; border-bottom: 1px solid var(--rule); display: grid; gap: 0.2rem; align-content: start; }
.board .v { font-family: var(--display); font-weight: 700; font-size: 1.3rem; letter-spacing: -0.02em; display: flex; align-items: center; gap: 0.5rem; }
.board .d { color: var(--ink-2); font-size: 0.87rem; }

/* ---------- rows ---------- */
.rows { display: grid; }
.row { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 2fr) auto; gap: 1.2rem; padding: 0.85rem 0; border-bottom: 1px solid var(--rule); align-items: start; }
.row:first-child { border-top: 1px solid var(--rule); }
.row .name { font-weight: 600; font-size: 1.02rem; }
.row .sub { color: var(--ink-3); font-size: 0.85rem; overflow-wrap: anywhere; }
.row .actions { display: flex; gap: 0.4rem; flex-wrap: wrap; justify-content: flex-end; align-items: center; }
.quote { color: var(--ink-2); }
.project { font-family: var(--display); font-weight: 700; font-size: 1.05rem; margin-top: 1.1rem; display: flex; align-items: baseline; gap: 0.7rem; }
.project .sub { font-family: var(--body); font-weight: 400; }
.empty { padding: 1.4rem 1.5rem; background: var(--paper-2); border-radius: 0.6rem; color: var(--ink-2); max-width: 44rem; display: grid; gap: 0.5rem; }
.empty strong { color: var(--ink); }

.tag { display: inline-flex; align-items: center; gap: 0.35rem; font-size: 0.74rem; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; padding: 0.12rem 0.5rem; border-radius: 0.3rem; background: var(--paper-3); color: var(--ink-2); white-space: nowrap; }
.tag.go { background: var(--pine-wash); color: var(--pine); }
.tag.hot { background: var(--signal-wash); color: oklch(42% 0.15 38); }
.tag.wait { background: var(--amber-wash); color: oklch(42% 0.09 80); }
.tag.busy::before { content: ""; width: 0.42rem; height: 0.42rem; border-radius: 50%; background: currentColor; animation: pulse 1.4s ease-in-out infinite; }
@keyframes pulse { 50% { opacity: 0.25; } }

/* ---------- forms ---------- */
.btn { border: 1px solid var(--ink); background: transparent; padding: 0.42rem 0.85rem; border-radius: 0.4rem; cursor: pointer; font-weight: 500; font-size: 0.9rem; transition: background 0.15s, color 0.15s, transform 0.15s var(--ease); white-space: nowrap; }
.btn:hover { background: var(--ink); color: var(--paper); }
.btn:active { transform: scale(0.97); }
.btn.primary { background: var(--ink); color: var(--paper); }
.btn.primary:hover { background: var(--pine); border-color: var(--pine); }
.btn.quiet { border-color: transparent; color: var(--ink-2); padding-inline: 0.5rem; }
.btn.quiet:hover { background: var(--paper-3); color: var(--ink); }
.btn.danger:hover { background: var(--signal); border-color: var(--signal); color: var(--paper); }
.btn[disabled] { opacity: 0.45; pointer-events: none; }
label { display: grid; gap: 0.3rem; font-size: 0.85rem; font-weight: 500; color: var(--ink-2); }
input, select, textarea { background: oklch(98.5% 0.006 85); border: 1px solid var(--rule); border-radius: 0.4rem; padding: 0.5rem 0.65rem; width: 100%; color: var(--ink); }
input::placeholder, textarea::placeholder { color: oklch(68% 0.02 120); }
.form { display: grid; gap: 0.9rem; max-width: 36rem; }
.form.inline { grid-template-columns: repeat(auto-fit, minmax(10rem, 1fr)); max-width: none; align-items: end; background: var(--paper-2); padding: 1rem; border-radius: 0.5rem; }
.form .hint { font-weight: 400; color: var(--ink-3); font-size: 0.82rem; }
.form-actions { display: flex; gap: 0.6rem; align-items: center; flex-wrap: wrap; }
.note { font-size: 0.87rem; }
.note.err { color: oklch(48% 0.17 35); }
.note.ok { color: var(--pine); }

/* ---------- setup steps ---------- */
.steps { display: grid; gap: 2.6rem; counter-reset: step; }
.step { display: grid; grid-template-columns: 3.2rem minmax(0, 1fr); gap: 0 1rem; counter-increment: step; }
.step::before { content: counter(step, decimal-leading-zero); font-family: var(--display); font-weight: 700; font-size: 1.5rem; color: var(--rule); line-height: 1; padding-top: 0.1rem; }
.step.done::before { color: var(--pine); }
.step > div { display: grid; gap: 0.9rem; }
.step h2 { display: flex; gap: 0.7rem; align-items: center; flex-wrap: wrap; }
.codebox { font-family: var(--mono); font-size: 0.86rem; background: var(--ink); color: var(--paper); padding: 0.85rem 1rem; border-radius: 0.5rem; overflow-x: auto; white-space: pre; user-select: all; }
.paircode { font-family: var(--display); font-size: 2rem; font-weight: 700; letter-spacing: 0.06em; }
ol.plain, ul.plain { margin: 0; padding-left: 1.15rem; display: grid; gap: 0.4rem; color: var(--ink-2); }

/* ---------- messages ---------- */
.thread { display: grid; gap: 0.55rem; max-width: 44rem; }
.msg { display: grid; gap: 0.2rem; max-width: 85%; }
.msg .bubble { padding: 0.6rem 0.85rem; border-radius: 1rem; background: var(--paper-2); overflow-wrap: anywhere; }
.msg.in { justify-self: end; text-align: right; }
.msg.in .bubble { background: var(--pine); color: var(--paper); border-bottom-right-radius: 0.25rem; text-align: left; }
.msg.out .bubble { border-bottom-left-radius: 0.25rem; }
.msg.failed .bubble { background: var(--signal-wash); outline: 1px solid var(--signal); }
.msg.rejected .bubble { background: var(--paper-3); color: var(--ink-3); font-style: italic; }
.msg .meta { font-size: 0.75rem; color: var(--ink-3); }
.msg .meta .bad { color: oklch(48% 0.17 35); font-weight: 600; }
.day { justify-self: center; font-size: 0.75rem; color: var(--ink-3); letter-spacing: 0.08em; text-transform: uppercase; margin-top: 0.8rem; }
.composer { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 0.5rem; max-width: 44rem; position: sticky; bottom: 0; background: var(--paper); padding: 0.8rem 0 1rem; border-top: 1px solid var(--rule); }

.log { font-family: var(--mono); font-size: 0.8rem; display: grid; gap: 0.25rem; color: var(--ink-2); }
.log div { display: grid; grid-template-columns: 5.5rem minmax(0, 1fr); gap: 0.8rem; }
.log .error { color: oklch(46% 0.17 35); }
.log .warn { color: oklch(46% 0.1 75); }

/* ---------- auth ---------- */
.gate { min-height: 100vh; display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); }
.gate .pitch { background: var(--ink); color: var(--paper); padding: clamp(2rem, 6vw, 5rem); display: flex; flex-direction: column; justify-content: space-between; gap: 3rem; }
.gate .pitch h1 { font-size: clamp(2.2rem, 1.5rem + 3.5vw, 4.2rem); max-width: 11ch; }
.gate .pitch blockquote { margin: 0; font-size: 1.1rem; color: oklch(84% 0.03 120); max-width: 30rem; border-left: 2px solid var(--signal); padding-left: 1rem; }
.gate .door { padding: clamp(2rem, 6vw, 5rem); display: grid; align-content: center; gap: 1.2rem; }

@media (max-width: 760px) {
  .shell { grid-template-columns: 1fr; background: none; }
  .rail { position: static; height: auto; flex-direction: row; flex-wrap: wrap; align-items: center; gap: 1rem; padding: 1rem; }
  .nav { flex-direction: row; flex-wrap: wrap; }
  .rail-foot { margin: 0; grid-auto-flow: column; }
  .row { grid-template-columns: 1fr; gap: 0.4rem; }
  .row .actions { justify-content: flex-start; }
  .gate { grid-template-columns: 1fr; }
  .step { grid-template-columns: 1fr; }
  .step::before { margin-bottom: 0.4rem; }
}
@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } }

.consent { display: grid; grid-template-columns: auto 1fr; gap: .75rem; align-items: start; font-weight: 400; line-height: 1.5; cursor: pointer; }
.consent input { width: 1.15rem; height: 1.15rem; margin-top: .2rem; accent-color: currentColor; }
.codebox { white-space: pre-wrap; }
a.btn { text-decoration: none; color: inherit; display: inline-block; }