/* IXIA Guardrails — tokens inherited from the IXIA app (src/app/globals.css) */
:root {
  --bg: #e8ebef; --bg-alt: #dfe3e9; --surface: #fbfcfd; --surface-2: #f3f5f8;
  --ink: #0c0f16; --muted: #4a5262; --subtle: #5f6778;
  --accent: #2348ff; --accent-dim: #1733c2; --accent-soft: #e3e8ff;
  --go: #0f8a53; --go-soft: #d8f3e3; --hold: #94560a; --hold-soft: #fdecd2; --block: #b8303a; --block-soft: #fde4e4;
  --grid: rgba(12,15,22,.05); --line: rgba(12,15,22,.12); --line-strong: rgba(12,15,22,.24);
  --r-sm: 5px; --r: 8px; --r-lg: 12px;
  --sh: 0 10px 30px rgba(12,15,22,.08), 0 2px 6px rgba(12,15,22,.05);
  --f-display: "Bricolage Grotesque", system-ui, sans-serif;
  --f-body: "Archivo", system-ui, sans-serif;
  --f-mono: "JetBrains Mono", ui-monospace, monospace;
  --ease-out: cubic-bezier(.16,1,.3,1);
  --ease-io: cubic-bezier(.65,0,.35,1);
}
@media (prefers-color-scheme: dark) {
  .brand-mark { box-shadow: inset 0 0 0 1px rgba(230,233,239,.28); }
  :root {
    --bg: #0f1218; --bg-alt: #151a22; --surface: #161b24; --surface-2: #1c222d;
    --ink: #e6e9ef; --muted: #a3abba; --subtle: #7c8496;
    --accent: #5b78ff; --accent-dim: #4562f0; --accent-soft: #1d2650;
    --go: #3ccf8e; --go-soft: #123426; --hold: #f2a33a; --hold-soft: #3a2a12; --block: #ff6b70; --block-soft: #3b1a1c;
    --grid: rgba(230,233,239,.035); --line: rgba(230,233,239,.12); --line-strong: rgba(230,233,239,.24);
    --sh: 0 10px 30px rgba(0,0,0,.35);
  }
}
*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scrollbar-gutter: stable; }
body {
  margin: 0; font: 16px/1.55 var(--f-body); color: var(--ink); background-color: var(--bg);
  background-image: linear-gradient(var(--grid) 1px, transparent 1px), linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 56px 56px; -webkit-font-smoothing: antialiased; overflow-x: clip;
}
a { color: inherit; }
h1, h2, h3 { margin: 0; font-family: var(--f-display); letter-spacing: -.025em; line-height: 1.02; text-wrap: balance; }
p { margin: 0; }
code, .mono { font-family: var(--f-mono); }
::selection { background: var(--accent); color: var(--surface); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.wrap { width: min(100% - 32px, 1240px); margin-inline: auto; }
.mono-label { font: 500 .7rem/1.2 var(--f-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.kicker { font: 500 .72rem/1.3 var(--f-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--accent); }

/* app bar */
.appbar { position: sticky; top: 0; z-index: 40; background: color-mix(in srgb, var(--bg) 86%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.appbar-row { display: flex; align-items: center; gap: 20px; min-height: 60px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font: 800 1.05rem var(--f-display); text-decoration: none; }
.brand-sub { font-weight: 600; color: var(--muted); }
.brand-mark { width: 28px; height: 28px; border-radius: var(--r-sm); background: #0c0f16; position: relative; overflow: hidden; flex: none; }
.brand-mark::before { content: ""; position: absolute; inset: 0; background: linear-gradient(120deg, transparent 46%, var(--accent) 46% 54%, transparent 54%); }
.nav { margin-left: auto; display: flex; gap: 4px; flex-wrap: wrap; }
.nav a { font-size: .9rem; color: var(--muted); text-decoration: none; padding: 8px 10px; border-radius: var(--r-sm); transition: color .16s, background .16s; }
.nav a:hover { color: var(--ink); background: var(--grid); }

/* hero */
.hero { display: grid; grid-template-columns: 5fr 7fr; gap: clamp(24px, 4vw, 56px); padding-block: clamp(40px, 6vw, 88px) 64px; align-items: start; }
.hero h1 { font-weight: 800; font-size: clamp(2.3rem, 1.3rem + 3.1vw, 3.75rem); margin: 18px 0 20px; }
.hero h1 .line { display: block; overflow: hidden; padding-bottom: .06em; }
.hero h1 .line > span { display: inline-block; }
.accent-ink { color: var(--accent); }
.lede { color: var(--muted); font-size: 1.05rem; max-width: 52ch; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px; padding: 10px 18px; border-radius: var(--r-sm); border: 0; cursor: pointer; font: 600 .95rem var(--f-body); transition: transform .16s var(--ease-out), background .16s, box-shadow .16s; }
.btn-primary { background: var(--accent); color: #f7f8ff; box-shadow: 0 6px 18px rgba(35,72,255,.22); }
.btn-primary:hover { background: var(--accent-dim); transform: translateY(-1px); }
.btn-primary[disabled] { opacity: .65; cursor: progress; transform: none; }
.btn-ghost { background: var(--surface); color: var(--ink); box-shadow: inset 0 0 0 1.5px var(--line-strong); }
.btn-ghost:hover { box-shadow: inset 0 0 0 1.5px var(--ink); }
.btn-link { background: none; color: var(--muted); text-decoration: underline; padding-inline: 6px; }
.btn-sm { min-height: 36px; padding: 6px 12px; font-size: .85rem; }

.intake { margin-top: 28px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 20px; box-shadow: var(--sh); }
.intake-head { display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; margin-bottom: 14px; }
.intake-head b { font-family: var(--f-display); font-weight: 800; }
.tag { font: 500 .66rem var(--f-mono); text-transform: uppercase; letter-spacing: .06em; color: var(--muted); border: 1px solid var(--line-strong); border-radius: 999px; padding: 2px 8px; }
.samples { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 16px; }
.sample { font: 500 .78rem var(--f-body); color: var(--ink); background: var(--surface-2); border: 1px solid var(--line); border-radius: 999px; padding: 6px 11px; cursor: pointer; transition: border-color .16s, background .16s; min-height: 32px; }
.sample:hover { border-color: var(--accent); }
.sample[aria-pressed="true"] { background: var(--accent-soft); border-color: var(--accent); }
.sample .l { font-family: var(--f-mono); color: var(--muted); margin-right: 4px; text-transform: uppercase; font-size: .68rem; }
label { display: block; font: 500 .7rem var(--f-mono); text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin: 10px 0 6px; }
input, textarea { width: 100%; padding: 11px 12px; border-radius: var(--r-sm); border: 1.5px solid var(--line-strong); background: var(--surface-2); color: var(--ink); font: 1rem/1.5 var(--f-body); resize: vertical; }
input:focus, textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent); }
.intake-foot { display: flex; align-items: center; gap: 14px; margin-top: 14px; flex-wrap: wrap; }
.budget { font-size: .74rem; color: var(--subtle); }

/* the gate */
.gate { background: var(--surface); border: 1px solid var(--line-strong); border-radius: var(--r-lg); box-shadow: var(--sh); padding: 18px 20px 20px; overflow: hidden; }
.gate-head { display: flex; justify-content: space-between; align-items: center; padding-bottom: 12px; border-bottom: 1px solid var(--line); }
.gate-clock { font-size: .78rem; color: var(--muted); }
.rail { list-style: none; margin: 0; padding: 4px 0 0 0; position: relative; }
.rail::before { content: ""; position: absolute; left: 11px; top: 14px; bottom: 14px; width: 2px; background: var(--line); }
.rail .scan { position: absolute; left: 8px; width: 8px; height: 40px; border-radius: 4px; background: linear-gradient(var(--accent), transparent); opacity: 0; }
.gate.running .rail .scan { opacity: 1; animation: scan 1.3s var(--ease-io) infinite; }
@keyframes scan { 0% { top: 0; } 100% { top: calc(100% - 40px); } }
.stage { display: grid; grid-template-columns: 24px 1fr auto; gap: 12px; align-items: start; padding: 7px 0; border-bottom: 1px solid var(--line); position: relative; }
.stage:last-child { border-bottom: 0; }
.lamp { width: 24px; height: 24px; border-radius: 50%; background: var(--surface-2); border: 2px solid var(--line-strong); position: relative; z-index: 1; display: grid; place-items: center; font: 700 .7rem var(--f-mono); color: transparent; transition: background .2s, border-color .2s, color .2s; }
.stage[data-s="pass"] .lamp { background: var(--go); border-color: var(--go); color: var(--surface); }
.stage[data-s="review"] .lamp { background: var(--hold); border-color: var(--hold); color: var(--surface); }
.stage[data-s="block"] .lamp { background: var(--block); border-color: var(--block); color: var(--surface); }
.stage[data-s="info"] .lamp { background: var(--accent-soft); border-color: var(--accent); color: var(--accent); }
.stage-name { font-weight: 600; font-size: .95rem; }
.stage-detail { color: var(--muted); font-size: .86rem; margin-top: 2px; }
.stage-meta { font: 500 .7rem var(--f-mono); color: var(--subtle); text-align: right; white-space: nowrap; padding-top: 3px; }
.stage-group { font: 500 .66rem var(--f-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--subtle); padding: 12px 0 0 36px; }
.stage-detail:empty { display: none; }
.st-pass { color: var(--go); } .st-review { color: var(--hold); } .st-block { color: var(--block); }

.decision { margin: 16px -20px 0; padding: 16px 20px; display: flex; gap: 14px; align-items: baseline; flex-wrap: wrap; background: var(--ink); color: var(--surface); }
.decision[data-d="auto_send"] { background: var(--go); }
.decision[data-d="hold_for_review"] { background: var(--hold); }
.decision[data-d="block"] { background: var(--block); }
.decision-word { font: 800 1.5rem/1 var(--f-display); letter-spacing: -.02em; }
.decision-why { font-size: .9rem; opacity: .92; }

.lanes { display: grid; grid-template-columns: 1fr 1fr; gap: 0; margin: 0 -20px; border-bottom: 1px solid var(--line); }
.lane { padding: 16px 20px; min-width: 0; }
.lane + .lane { border-left: 1px solid var(--line); }
.lane h3 { margin-bottom: 10px; }
.letter { white-space: pre-wrap; font: .9rem/1.55 var(--f-body); margin: 0; color: var(--ink); }
.held-draft { font-size: .9rem; color: var(--ink); border-left: 3px solid var(--hold); padding-left: 10px; margin-bottom: 12px; white-space: pre-wrap; }
.held-none { color: var(--muted); font-size: .9rem; }
.held-actions { display: flex; gap: 8px; flex-wrap: wrap; }

.kb { padding-top: 14px; }
.kb ul { list-style: none; margin: 8px 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 6px; }
.kb li { font: 500 .74rem var(--f-mono); border: 1px solid var(--line-strong); border-radius: 999px; padding: 4px 9px; color: var(--muted); }
.kb li.cited { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }

/* bands (ruled rows everywhere) */
.band { padding-block: clamp(56px, 7vw, 112px); border-top: 1px solid var(--line-strong); }
.band-head { display: grid; grid-template-columns: 5fr 7fr; gap: clamp(24px, 4vw, 56px); margin-bottom: 32px; align-items: end; }
.band-head h2 { font-weight: 800; font-size: clamp(1.8rem, 1.2rem + 2vw, 2.8rem); }
.band-head p { color: var(--muted); max-width: 64ch; }
.rows { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line-strong); }
.rows > li { border-bottom: 1px solid var(--line); padding: 14px 0; }
.rows .empty { color: var(--subtle); font-size: .92rem; }
.how > li { display: grid; grid-template-columns: 64px 1fr minmax(160px, 34%); gap: 20px; align-items: baseline; padding: 20px 0; }
.how .n { color: var(--accent); font-size: .85rem; }
.how b { font-family: var(--f-display); font-weight: 800; font-size: 1.2rem; letter-spacing: -.01em; }
.how p { color: var(--muted); margin-top: 4px; max-width: 70ch; }
.how .model { font-size: .74rem; color: var(--muted); text-align: right; overflow-wrap: anywhere; }

.queue-grid { display: grid; grid-template-columns: 7fr 5fr; gap: clamp(24px, 4vw, 56px); }
.queue-grid h3 { margin-bottom: 10px; }
.q-item { display: grid; gap: 8px; }
.q-top { display: flex; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
.q-msg { color: var(--muted); font-size: .9rem; }
.q-item textarea { font-size: .9rem; }
.pill { font: 500 .66rem var(--f-mono); text-transform: uppercase; letter-spacing: .04em; padding: 3px 8px; border-radius: 999px; white-space: nowrap; }
.pill-go { background: var(--go-soft); color: var(--go); } .pill-hold { background: var(--hold-soft); color: var(--hold); } .pill-block { background: var(--block-soft); color: var(--block); }
.chain > li.empty { display: block; }
.chain > li { display: grid; grid-template-columns: 30px 1fr auto; gap: 10px; font-size: .86rem; align-items: baseline; }
.chain .seq { font-family: var(--f-mono); color: var(--subtle); }
.chain .h { font: .72rem var(--f-mono); color: var(--muted); }
.chain li.bad { background: var(--block-soft); }
.chain-actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 14px; }
.verify-out { margin-top: 10px; font-size: .82rem; min-height: 1.4em; }

.evaltable { width: 100%; border-collapse: collapse; font-size: .95rem; }
.evaltable th { font: 500 .68rem var(--f-mono); text-transform: uppercase; letter-spacing: .06em; color: var(--muted); text-align: left; padding: 10px 8px 10px 0; border-bottom: 1px solid var(--line-strong); }
.evaltable td { padding: 14px 8px 14px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
.evaltable td.num { font: 800 1.5rem/1 var(--f-display); }
.evaltable td small { display: block; color: var(--muted); font-size: .84rem; margin-top: 4px; }
.fine { color: var(--subtle); font-size: .86rem; margin-top: 18px; max-width: 90ch; }

.foot { border-top: 1px solid var(--line-strong); padding-block: 28px 40px; }
.foot-row { display: flex; justify-content: space-between; gap: 24px; align-items: center; flex-wrap: wrap; color: var(--muted); font-size: .86rem; }
.foot-row p { max-width: 80ch; }
.mmix { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--muted); }
.mmix img { background: rgba(255,255,255,.9); border-radius: 6px; padding: 3px; height: 36px; width: auto; }

@media (max-width: 960px) {
  .hero, .band-head, .queue-grid { grid-template-columns: 1fr; }
  .how > li { grid-template-columns: 40px 1fr; }
  .how .model { grid-column: 2; text-align: left; }
}
@media (max-width: 620px) {
  .lanes { grid-template-columns: 1fr; }
  .lane + .lane { border-left: 0; border-top: 1px solid var(--line); }
  .nav a:not(:last-child) { display: none; }
  .stage { grid-template-columns: 24px 1fr; }
  .stage-meta { grid-column: 2; text-align: left; }
  .evaltable th:nth-child(2), .evaltable td:nth-child(2) { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}