/* Layout: white sidebar (workspace, receptionist, grouped nav) + page header + one working canvas.
   Color: white and cool greys, black type, blue for actions, neon lime reserved for AI and "live". */
:root {
  /* Mapped onto the Signal design system tokens (tokens/*.css). */
  --bg: var(--surface-page);
  --surface: var(--surface-card);
  --sunken: var(--neutral-50);
  --ink: var(--text-primary);
  --body: var(--neutral-700);
  --muted: var(--text-tertiary);
  --faint: var(--text-disabled);
  --line: var(--border-subtle);
  --line-strong: var(--border-default);
  --blue: var(--violet-600);
  --blue-hover: var(--violet-700);
  --blue-soft: var(--violet-50);
  /* Signal's accent: the violet-to-magenta of the mark, for AI and highlights. */
  --lime: var(--violet-500);
  --lime-deep: var(--violet-600);
  --lime-soft: var(--violet-50);
  --brand-gradient: linear-gradient(135deg, #8338EB 0%, #AF2BD9 100%);
  --warn: var(--hold-700);
  --warn-soft: var(--hold-50);
  --danger: var(--fail-700);
  --danger-soft: var(--fail-50);
  --ok: var(--live-700);
  --ok-soft: var(--live-50);
  --sans: var(--font-sans);
  --mono: var(--font-mono);
  --r: var(--radius-lg);
  --shadow: var(--shadow-sm);
  color-scheme: light;
}

* { box-sizing: border-box; }
html, body, #app { height: 100%; }
body { margin: 0; background: var(--bg); color: var(--body); font: 400 14px/1.5 var(--sans); -webkit-font-smoothing: antialiased; }
h1, h2, h3, h4 { color: var(--ink); margin: 0; font-weight: 600; letter-spacing: -0.01em; text-wrap: balance; }
h1 { font-size: 24px; letter-spacing: -0.02em; }
h2 { font-size: 18px; }
h3 { font-size: 15px; }
p { margin: 0; }
a { color: var(--blue); }
button, input, textarea, select { font: inherit; color: inherit; }
.mono { font-family: var(--mono); font-size: 13px; font-variant-numeric: tabular-nums; }
.muted { color: var(--muted); }
.eyebrow { font-size: 11.5px; letter-spacing: .07em; text-transform: uppercase; font-weight: 600; color: var(--muted); }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }

/* ---------- shell */
.shell { display: grid; grid-template-columns: 252px minmax(0, 1fr); grid-template-rows: minmax(0, 1fr); height: 100%; }
.side { background: var(--surface); border-right: 1px solid var(--line); display: flex; flex-direction: column; min-height: 0; }
.side-top { padding: 18px 14px 10px; display: grid; gap: 14px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); font-weight: 650; font-size: 15px; letter-spacing: -0.01em; }
.logo { width: 28px; height: 28px; border-radius: 8px; background: var(--ink); display: grid; place-items: center; }
.logo i { width: 10px; height: 10px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 10px var(--lime); }
.switcher { width: 100%; text-align: left; border: 1px solid var(--line); background: var(--surface); border-radius: 10px; padding: 8px 10px; cursor: pointer; display: grid; grid-template-columns: 30px minmax(0, 1fr) auto; gap: 10px; align-items: center; }
.switcher:hover { border-color: var(--line-strong); }
.avatar { width: 30px; height: 30px; border-radius: 8px; background: var(--blue-soft); color: var(--blue); display: grid; place-items: center; font-weight: 650; font-size: 13px; }
.switcher .t { color: var(--ink); font-weight: 600; font-size: 13.5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.switcher .s { color: var(--muted); font-size: 12px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.menu { position: absolute; z-index: 30; background: var(--surface); border: 1px solid var(--line); border-radius: 12px; box-shadow: 0 12px 40px rgba(11,12,14,.12); padding: 6px; width: 260px; display: grid; gap: 2px; }
.menu .group { padding: 8px 10px 4px; }
.menu button { border: 0; background: none; text-align: left; padding: 8px 10px; border-radius: 8px; cursor: pointer; display: flex; justify-content: space-between; gap: 8px; }
.menu button:hover { background: var(--sunken); }
.menu hr { border: 0; border-top: 1px solid var(--line); margin: 4px 0; }

.nav { padding: 6px 10px; display: grid; gap: 2px; overflow-y: auto; }
.nav .group { padding: 14px 10px 6px; }
.nav button { border: 0; background: none; text-align: left; padding: 8px 10px; border-radius: 8px; cursor: pointer; color: var(--body); display: flex; align-items: center; gap: 10px; font-weight: 500; }
.nav button:hover { background: var(--sunken); color: var(--ink); }
.nav button[aria-current="page"] { background: var(--ink); color: #fff; }
.nav svg { width: 17px; height: 17px; flex: none; }
.nav .tag { margin-left: auto; }
.side-foot { margin-top: auto; padding: 14px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; align-items: center; gap: 8px; font-size: 13px; }
.side-foot .link { white-space: nowrap; }
.side-foot span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.main { display: flex; flex-direction: column; min-width: 0; min-height: 0; }
.header { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; justify-content: space-between; padding: 18px 28px; background: var(--surface); border-bottom: 1px solid var(--line); }
.header .titles { display: grid; gap: 2px; min-width: 0; }
.header .actions { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.canvas { flex: 1; overflow-y: auto; padding: 28px; min-height: 0; }
.stack { max-width: 1080px; margin: 0 auto; display: grid; gap: 20px; }

/* ---------- controls */
.btn { border: 1px solid var(--line); background: var(--surface); color: var(--ink); padding: 8px 14px; border-radius: 9px; cursor: pointer; font-weight: 550; display: inline-flex; align-items: center; gap: 8px; white-space: nowrap; }
.btn:hover { border-color: var(--line-strong); background: var(--sunken); }
.btn.primary { background: var(--blue); border-color: var(--blue); color: #fff; }
.btn.primary:hover { background: var(--blue-hover); }
.btn.dark { background: var(--ink); border-color: var(--ink); color: #fff; }
.btn.dark:hover { background: #26282d; }
.btn.ghost { border-color: transparent; background: none; color: var(--body); }
.btn.ghost:hover { background: var(--sunken); }
.btn.danger { color: var(--danger); }
.btn.sm { padding: 5px 10px; font-size: 13px; border-radius: 8px; }
.btn:disabled { opacity: .45; cursor: default; }
.btn svg { width: 16px; height: 16px; }
.link { border: 0; background: none; padding: 0; color: var(--blue); cursor: pointer; font-weight: 550; }

.pill { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 600; padding: 3px 10px; border-radius: 999px; background: var(--sunken); color: var(--body); border: 1px solid var(--line); white-space: nowrap; }
.pill.live { background: var(--lime); border-color: var(--lime-deep); color: var(--ink); }
.pill.live::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--ink); }
.pill.blue { background: var(--blue-soft); border-color: transparent; color: var(--blue); }
.pill.warn { background: var(--warn-soft); border-color: transparent; color: var(--warn); }
.pill.ok { background: var(--ok-soft); border-color: transparent; color: var(--ok); }
.pill.danger { background: var(--danger-soft); border-color: transparent; color: var(--danger); }
.pill.ai { background: var(--ink); color: var(--lime); border-color: var(--ink); }

.field { display: grid; gap: 6px; min-width: 0; }
.field > span { font-size: 13px; font-weight: 550; color: var(--ink); }
.field small { color: var(--muted); font-size: 12.5px; }
input[type=text], input[type=email], input[type=password], input[type=time], input[type=date], input[type=url], textarea, select {
  border: 1px solid var(--line); background: var(--surface); border-radius: 9px; padding: 9px 11px; width: 100%; min-width: 0; transition: border-color .15s, box-shadow .15s;
}
input:focus, textarea:focus, select:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px var(--blue-soft); }
textarea { resize: vertical; min-height: 70px; }

.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); padding: 20px; display: grid; gap: 16px; align-content: start; min-width: 0; box-shadow: var(--shadow); }
.card-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; flex-wrap: wrap; }
.card-head > div { display: grid; gap: 3px; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.grid2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.grid3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.list { display: grid; gap: 10px; }
.item { border: 1px solid var(--line); border-radius: 10px; padding: 16px; display: grid; gap: 12px; background: var(--surface); }
.empty { border: 1px dashed var(--line-strong); border-radius: var(--r); padding: 26px; text-align: center; color: var(--muted); display: grid; gap: 10px; justify-items: center; }
.error-text { color: var(--danger); font-size: 13.5px; }
.toast { position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%); background: var(--ink); color: #fff; padding: 10px 16px; border-radius: 10px; font-size: 14px; z-index: 60; display: flex; gap: 10px; align-items: center; }
.toast::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--lime); }

/* sticky save bar for form pages */
.savebar { position: sticky; bottom: 0; margin: 0 -28px -28px; padding: 14px 28px; background: rgba(255,255,255,.92); backdrop-filter: blur(8px); border-top: 1px solid var(--line); display: flex; justify-content: space-between; align-items: center; gap: 12px; z-index: 5; }

/* ---------- home */
.hero { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 20px; }
.status-card { background: var(--ink); color: #D9DCE1; border-radius: 16px; padding: 24px; display: grid; gap: 18px; position: relative; overflow: hidden; }
.status-card h2 { color: #fff; font-size: 22px; }
.status-card .num { font-family: var(--mono); color: #fff; font-size: 20px; }
.status-card .glow { position: absolute; right: -60px; top: -60px; width: 220px; height: 220px; border-radius: 50%; background: radial-gradient(circle, rgba(199,255,58,.35), transparent 65%); pointer-events: none; }
.status-card .btn { border-color: #33363c; background: #17191c; color: #fff; }
.status-card .btn:hover { background: #22252a; }
.status-card .btn.lime { background: var(--lime); border-color: var(--lime); color: var(--ink); }
.progress { height: 6px; border-radius: 99px; background: var(--line); overflow: hidden; }
.progress i { display: block; height: 100%; background: var(--ink); border-radius: 99px; }
.steps { display: grid; gap: 2px; }
.step { display: grid; grid-template-columns: 26px minmax(0, 1fr) auto; gap: 12px; align-items: center; padding: 10px 6px; border-radius: 10px; }
.step:hover { background: var(--sunken); }
.check { width: 22px; height: 22px; border-radius: 50%; border: 1.5px solid var(--line-strong); display: grid; place-items: center; }
.step.done .check { background: var(--lime); border-color: var(--lime-deep); }
.step.done .check::after { content: ""; width: 8px; height: 4px; border-left: 2px solid var(--ink); border-bottom: 2px solid var(--ink); transform: rotate(-45deg) translate(1px, -1px); }
.step .t { color: var(--ink); font-weight: 550; }
.step.done .t { color: var(--muted); text-decoration: line-through; text-decoration-color: var(--faint); }
.kpis { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.kpi { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); padding: 16px 18px; display: grid; gap: 4px; }
.kpi b { font-size: 28px; color: var(--ink); font-weight: 600; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.import { display: flex; gap: 10px; }
.import input { flex: 1; }

.bars { display: grid; grid-auto-flow: column; grid-auto-columns: minmax(0, 1fr); gap: 8px; align-items: end; height: 160px; }
.bar { display: grid; justify-items: center; gap: 6px; align-content: end; height: 100%; }
.bar i { display: block; width: 100%; max-width: 38px; border-radius: 6px 6px 2px 2px; background: var(--ink); }
.bar:last-child i { background: var(--lime); border: 1px solid var(--lime-deep); }
.feed { display: grid; }
.feed-row { display: flex; gap: 10px; align-items: center; padding: 9px 4px; border-bottom: 1px solid var(--line); cursor: pointer; min-width: 0; font-size: 14px; }
.feed-row:last-child { border-bottom: 0; }
.feed-row:hover { background: var(--sunken); }
.seg { display: inline-flex; background: var(--sunken); border: 1px solid var(--line); border-radius: 10px; padding: 3px; gap: 2px; justify-self: start; }
.seg button { border: 0; background: none; padding: 6px 12px; border-radius: 7px; cursor: pointer; font-weight: 550; color: var(--body); }
.seg button[aria-checked="true"] { background: var(--surface); color: var(--ink); box-shadow: 0 1px 2px rgba(11,12,14,.1); }
.status-card .pill { justify-self: start; }

/* ---------- build with AI */
.build { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); grid-template-rows: minmax(0, 1fr); gap: 20px; height: 100%; }
.chat { display: flex; flex-direction: column; background: var(--surface); border: 1px solid var(--line); border-radius: 16px; min-height: 0; box-shadow: var(--shadow); }
.chat-log { flex: 1; overflow-y: auto; padding: 22px; display: flex; flex-direction: column; gap: 14px; }
.bubble { max-width: 86%; padding: 11px 15px; border-radius: 14px; white-space: pre-wrap; overflow-wrap: anywhere; }
.bubble.user { align-self: flex-end; background: var(--blue); color: #fff; border-bottom-right-radius: 4px; }
.ai-row { display: grid; grid-template-columns: 28px minmax(0, 1fr); gap: 10px; align-items: start; max-width: 92%; }
.ai-dot { width: 28px; height: 28px; border-radius: 8px; background: var(--ink); display: grid; place-items: center; }
.ai-dot i { width: 9px; height: 9px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 8px var(--lime); }
.ai-row.thinking .ai-dot i { animation: pulse 1s ease-in-out infinite; }
@keyframes pulse { 50% { transform: scale(.6); opacity: .6; } }
.bubble.ai { background: var(--sunken); color: var(--ink); border: 1px solid var(--line); border-top-left-radius: 4px; }
.action { align-self: flex-start; margin-left: 38px; font-size: 13px; color: var(--body); display: inline-flex; gap: 8px; align-items: center; background: var(--lime-soft); border: 1px solid #E1F5B4; border-radius: 999px; padding: 3px 12px 3px 8px; }
.action::before { content: ""; width: 14px; height: 14px; border-radius: 50%; background: var(--lime); border: 1.5px solid var(--lime-deep); }
.action.err { background: var(--danger-soft); border-color: transparent; color: var(--danger); }
.action.err::before { background: var(--danger); border-color: var(--danger); }
.testlog { margin-left: 38px; background: var(--surface); border: 1px dashed var(--line-strong); border-radius: 12px; padding: 12px 14px; font-family: var(--mono); font-size: 12.5px; white-space: pre-wrap; color: var(--body); }
.composer { padding: 14px; border-top: 1px solid var(--line); }
.prompt { border: 1px solid var(--line); border-radius: 14px; padding: 10px 10px 10px 14px; display: grid; gap: 8px; background: var(--surface); transition: border-color .15s, box-shadow .15s; }
.prompt:focus-within { border-color: var(--blue); box-shadow: 0 0 0 3px var(--blue-soft); }
.prompt textarea { border: 0; padding: 4px 0; min-height: 44px; max-height: 180px; box-shadow: none !important; resize: none; }
.prompt .bar { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.send { width: 34px; height: 34px; border-radius: 9px; border: 0; background: var(--ink); color: var(--lime); cursor: pointer; display: grid; place-items: center; }
.send:disabled { background: var(--line); color: var(--faint); cursor: default; }
.send svg { width: 16px; height: 16px; }
.welcome { margin: auto 0; display: grid; gap: 18px; padding: 10px 4px; }
.welcome h2 { font-size: 24px; letter-spacing: -0.02em; }
.ideas { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.idea { text-align: left; border: 1px solid var(--line); background: var(--surface); border-radius: 12px; padding: 12px 14px; cursor: pointer; display: grid; gap: 3px; }
.idea:hover { border-color: var(--ink); }
.idea b { color: var(--ink); font-weight: 600; font-size: 13.5px; }
.idea span { color: var(--muted); font-size: 13px; }

.preview { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; display: flex; flex-direction: column; min-height: 0; box-shadow: var(--shadow); }
.preview-head { padding: 16px 18px; border-bottom: 1px solid var(--line); display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; }
.preview-body { padding: 18px; overflow-y: auto; display: grid; gap: 0; align-content: start; background-image: radial-gradient(var(--line) 1px, transparent 1px); background-size: 16px 16px; flex: 1; }
.node { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; display: grid; gap: 4px; }
.node .eyebrow { display: flex; gap: 8px; align-items: center; }
.node q { color: var(--ink); }
.node.ai { border-color: var(--ink); box-shadow: 0 0 0 3px var(--lime-soft); }
.node.changed { border-color: var(--blue); box-shadow: 0 0 0 3px var(--blue-soft); }
.wire { width: 2px; height: 18px; background: var(--line-strong); margin: 0 auto; }
.fan { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 8px; }
.team { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; display: grid; gap: 4px; font-size: 13.5px; }
.team b { color: var(--ink); font-weight: 600; }
.team.changed { border-color: var(--blue); }
.team.added { border-color: var(--blue); background: var(--blue-soft); }
.team.missing { border-style: dashed; }
.legend { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }

/* ---------- test call */
.phone { max-width: 460px; margin: 0 auto; width: 100%; background: var(--ink); border-radius: 28px; padding: 14px; box-shadow: 0 20px 60px rgba(11,12,14,.18); }
.phone-screen { background: var(--surface); border-radius: 18px; height: min(620px, calc(100vh - 220px)); display: flex; flex-direction: column; overflow: hidden; }
.phone-top { padding: 16px; border-bottom: 1px solid var(--line); display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.phone-log { flex: 1; overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 10px; }
.outcome { border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; display: grid; gap: 4px; background: var(--lime-soft); }

/* ---------- hours */
.week { display: grid; gap: 4px; }
.day { display: grid; grid-template-columns: 110px minmax(0, 1fr); gap: 14px; align-items: center; padding: 8px 0; border-bottom: 1px solid var(--line); }
.day:last-child { border-bottom: 0; }
.toggle { display: inline-flex; align-items: center; gap: 10px; cursor: pointer; font-weight: 550; color: var(--ink); }
.toggle input { appearance: none; width: 34px; height: 20px; border-radius: 99px; background: var(--line-strong); position: relative; cursor: pointer; transition: background .15s; margin: 0; }
.toggle input::after { content: ""; position: absolute; top: 2px; left: 2px; width: 16px; height: 16px; border-radius: 50%; background: #fff; transition: transform .15s; box-shadow: 0 1px 2px rgba(0,0,0,.2); }
.toggle input:checked { background: var(--ink); }
.toggle input:checked::after { transform: translateX(14px); }
.spans { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.span { display: flex; gap: 6px; align-items: center; }
.span input { width: 116px; }
.choices { display: grid; gap: 8px; }
.choice { display: grid; grid-template-columns: 18px minmax(0, 1fr); gap: 12px; padding: 12px 14px; border: 1px solid var(--line); border-radius: 10px; cursor: pointer; align-items: start; }
.choice:has(input:checked) { border-color: var(--blue); background: var(--blue-soft); }
.choice input { margin: 3px 0 0; accent-color: var(--blue); }
.choice b { color: var(--ink); font-weight: 600; }

/* ---------- voice */
.voices { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 10px; }
.voice { border: 1px solid var(--line); border-radius: 12px; padding: 14px; display: grid; gap: 10px; cursor: pointer; background: var(--surface); text-align: left; }
.voice:hover { border-color: var(--line-strong); }
.voice[aria-pressed="true"] { border-color: var(--ink); box-shadow: 0 0 0 3px var(--lime-soft); }
.voice .wave { display: flex; gap: 3px; align-items: center; height: 18px; }
.voice .wave i { width: 3px; border-radius: 2px; background: var(--line-strong); }
.voice[aria-pressed="true"] .wave i { background: var(--ink); }

/* ---------- tables */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--r); background: var(--surface); box-shadow: var(--shadow); }
table { border-collapse: collapse; width: 100%; font-size: 14px; }
th { text-align: left; font-size: 11.5px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); font-weight: 600; padding: 11px 16px; border-bottom: 1px solid var(--line); background: var(--sunken); }
td { padding: 12px 16px; border-bottom: 1px solid var(--line); vertical-align: top; }
tr:last-child td { border-bottom: 0; }
tr.clickable { cursor: pointer; }
tr.clickable:hover td { background: var(--sunken); }
.transcript { display: grid; gap: 6px; font-size: 13.5px; padding: 4px 0; max-width: 70ch; }
.transcript b { color: var(--ink); font-weight: 600; }

/* ---------- dialog */
dialog { border: 0; border-radius: 16px; padding: 0; background: var(--surface); color: var(--body); width: min(620px, calc(100vw - 32px)); box-shadow: 0 30px 80px rgba(11,12,14,.25); }
dialog::backdrop { background: rgba(11, 12, 14, .4); }
.dialog-body { padding: 24px; display: grid; gap: 16px; max-height: 84vh; overflow-y: auto; }
.diff { margin: 0; padding-left: 18px; display: grid; gap: 4px; }
.check-row { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 10px; font-size: 13.5px; align-items: start; }

/* ---------- auth */
.auth { min-height: 100%; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
.auth-art { background: var(--ink); color: #C9CDD3; padding: 48px; display: flex; flex-direction: column; justify-content: space-between; gap: 32px; position: relative; overflow: hidden; }
.auth-art h1 { color: #fff; font-size: clamp(30px, 3.4vw, 44px); line-height: 1.08; letter-spacing: -0.03em; max-width: 14ch; }
.auth-art h1 em { font-style: normal; color: var(--lime); }
.auth-art .glow { position: absolute; right: -120px; bottom: -120px; width: 420px; height: 420px; border-radius: 50%; background: radial-gradient(circle, rgba(199,255,58,.28), transparent 65%); }
.auth-art .brand { color: #fff; }
.convo { display: grid; gap: 10px; max-width: 380px; position: relative; }
.convo .u { justify-self: end; background: var(--blue); color: #fff; padding: 9px 13px; border-radius: 12px 12px 4px 12px; font-size: 14px; }
.convo .a { background: #1A1C20; color: #E6E8EB; padding: 9px 13px; border-radius: 12px 12px 12px 4px; font-size: 14px; border: 1px solid #2A2D33; }
.auth-form { display: grid; place-items: center; padding: 32px 20px; background: var(--surface); }
.auth-form form { width: min(400px, 100%); display: grid; gap: 14px; }
.industries { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
.industry { border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; cursor: pointer; display: grid; gap: 2px; text-align: left; background: var(--surface); }
.industry[aria-pressed="true"] { border-color: var(--ink); box-shadow: 0 0 0 3px var(--lime-soft); }
.industry b { font-size: 13.5px; color: var(--ink); font-weight: 600; }
.industry span { font-size: 12px; color: var(--muted); }

@media (max-width: 1000px) {
  .build, .hero { grid-template-columns: minmax(0, 1fr); grid-template-rows: auto; height: auto; }
  .chat { min-height: 560px; }
  .kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .auth { grid-template-columns: minmax(0, 1fr); }
  .auth-art { display: none; }
}
@media (max-width: 760px) {
  .shell { grid-template-columns: minmax(0, 1fr); grid-template-rows: auto minmax(0, 1fr); }
  .side { border-right: 0; border-bottom: 1px solid var(--line); }
  .side-top { grid-template-columns: auto minmax(0, 1fr); align-items: center; padding: 12px 14px 6px; }
  .nav { grid-auto-flow: column; justify-content: start; overflow-x: auto; padding-bottom: 10px; }
  .nav button { white-space: nowrap; padding: 7px 10px; }
  .nav .group, .side-foot { display: none; }
  .canvas { padding: 16px; }
  .savebar { margin: 0 -16px -16px; padding: 12px 16px; }
  .header { padding: 14px 16px; }
  .grid2, .grid3, .ideas, .industries { grid-template-columns: minmax(0, 1fr); }
  .day { grid-template-columns: minmax(0, 1fr); }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } }


/* ---------- Signal theme specifics */
.logo { background: none; width: 26px; height: 32px; }
.logo img { width: 100%; height: 100%; display: block; }
.brand small { display: block; font-weight: 500; font-size: 11px; color: var(--muted); letter-spacing: var(--tracking-caps); text-transform: uppercase; }
.nav button[aria-current="page"] { background: var(--surface-selected); color: var(--violet-700); font-weight: 600; }
.nav button[aria-current="page"] svg { color: var(--violet-600); }
.btn { border-radius: var(--radius-md); transition: var(--transition-control); }
.btn.dark { background: var(--violet-950); border-color: var(--violet-950); }
.btn.dark:hover { background: var(--violet-900); }
input[type=text], input[type=email], input[type=password], input[type=time], input[type=date], input[type=url], textarea, select { border-radius: var(--radius-sm); border-color: var(--border-default); }
input:focus, textarea:focus, select:focus { border-color: var(--border-focus); box-shadow: var(--focus-ring); }
:focus-visible { outline-color: var(--violet-500); }
.pill.live { background: var(--live-50); border-color: transparent; color: var(--live-700); }
.pill.live::before { background: var(--live-500); }
.pill.ai { background: var(--brand-gradient); color: #fff; border-color: transparent; }
.status-card { background: var(--violet-950); color: var(--violet-200); }
.status-card .glow { background: radial-gradient(circle, rgba(175, 43, 217, .45), transparent 65%); }
.status-card .btn { border-color: var(--violet-800); background: var(--violet-900); }
.status-card .btn:hover { background: var(--violet-800); }
.status-card .btn.lime { background: #fff; border-color: #fff; color: var(--violet-800); }
.status-card .eyebrow { color: var(--violet-300) !important; }
.progress i { background: var(--brand-gradient); }
.step.done .check { background: var(--violet-600); border-color: var(--violet-600); }
.step.done .check::after { border-color: #fff; }
.ai-dot { background: var(--brand-gradient); }
.ai-dot i { background: #fff; box-shadow: none; }
.send { background: var(--violet-600); color: #fff; }
.action { background: var(--violet-50); border-color: var(--violet-100); }
.action::before { background: var(--violet-500); border-color: var(--violet-600); }
.bar i { background: var(--violet-200); }
.bar:last-child i { background: var(--violet-600); border: 0; }
.node.ai { border-color: var(--violet-500); box-shadow: 0 0 0 3px var(--violet-100); }
.voice[aria-pressed="true"], .industry[aria-pressed="true"] { border-color: var(--violet-500); box-shadow: 0 0 0 3px var(--violet-100); }
.voice[aria-pressed="true"] .wave i { background: var(--violet-600); }
.toggle input:checked { background: var(--violet-600); }
.toast { background: var(--violet-950); }
.toast::before { background: var(--live-500); }
.phone { background: var(--violet-950); }
.outcome { background: var(--violet-50); }
.seg button[aria-checked="true"] { color: var(--violet-700); }
.avatar { background: var(--violet-100); color: var(--violet-700); }
.user-chip { display: flex; align-items: center; gap: 10px; border: 0; background: none; padding: 6px; border-radius: 8px; cursor: pointer; text-align: left; width: 100%; min-width: 0; }
.user-chip:hover { background: var(--sunken); }
.user-chip .t { color: var(--ink); font-weight: 600; font-size: 13px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.user-chip .s { color: var(--muted); font-size: 12px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.banner { display: flex; gap: 12px; align-items: center; justify-content: space-between; flex-wrap: wrap; padding: 10px 28px; background: var(--hold-50); color: var(--hold-700); border-bottom: 1px solid var(--hold-100); font-size: 13.5px; }

/* ---------- Auth (Signal-style split screen) */
.auth { min-height: 100%; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); background: var(--surface); }
.auth-form { display: grid; align-content: center; justify-items: center; padding: 40px 24px; background: var(--surface); }
.auth-form form, .auth-form .auth-box { width: min(380px, 100%); display: grid; gap: 16px; }
.auth-form h1 { font-size: 26px; letter-spacing: var(--tracking-display); }
.auth-logo { display: flex; align-items: center; gap: 10px; color: var(--ink); font-weight: 700; font-size: 16px; margin-bottom: 18px; }
.auth-logo img { height: 34px; }
.auth-art { position: relative; overflow: hidden; color: #fff; padding: 44px; display: flex; flex-direction: column; justify-content: flex-end; gap: 22px;
  background: linear-gradient(180deg, rgba(29, 18, 64, .15) 0%, rgba(29, 18, 64, .88) 72%), url('/portal/brand/login-hero.jpg') center 22% / cover no-repeat, var(--violet-950); }
.auth-art .glow { display: none; }
.auth-art h1 { color: #fff; font-size: clamp(28px, 3vw, 40px); line-height: 1.1; letter-spacing: var(--tracking-display); max-width: 16ch; }
.auth-art h1 em { font-style: normal; background: linear-gradient(90deg, #C9A8FF, #F0A6FF); -webkit-background-clip: text; background-clip: text; color: transparent; }
.auth-art p { color: var(--violet-200); max-width: 44ch; }
.convo .u { background: var(--violet-600); }
.convo .a { background: rgba(255, 255, 255, .1); border-color: rgba(255, 255, 255, .16); backdrop-filter: blur(6px); }
.divider { display: flex; align-items: center; gap: 12px; color: var(--muted); font-size: 12px; }
.divider::before, .divider::after { content: ""; flex: 1; height: 1px; background: var(--line); }
.pw-meter { height: 4px; border-radius: 99px; background: var(--line); overflow: hidden; }
.pw-meter i { display: block; height: 100%; transition: width .2s; }
.fine { font-size: 12px; color: var(--muted); text-align: center; }
.settings-nav { display: flex; gap: 4px; border-bottom: 1px solid var(--line); }
.settings-nav button { border: 0; background: none; padding: 10px 14px; cursor: pointer; font-weight: 550; color: var(--muted); border-bottom: 2px solid transparent; margin-bottom: -1px; }
.settings-nav button[aria-selected="true"] { color: var(--violet-700); border-bottom-color: var(--violet-600); }
@media (max-width: 1000px) { .auth { grid-template-columns: minmax(0, 1fr); } .auth-art { display: none; } }