:root {
  --paper: #EEF0EA; --raised: #F8F9F5; --ink: #1C2521; --soft: #4A564F;
  --ochre: #B9842E; --ochre-deep: #8F651E; --teal: #2F6F62; --teal-deep: #1F4A41;
  --line: #CBD1C4; --danger: #A8432F; --ok: #2F6F62;
}
@media (prefers-color-scheme: dark) {
  :root { --paper:#161B18; --raised:#1E2521; --ink:#E7EAE4; --soft:#AEB8AD; --line:#35403A; }
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--paper); color: var(--ink); font: 15px/1.55 'Work Sans', system-ui, sans-serif; -webkit-font-smoothing: antialiased; }
a { color: var(--teal); }
h1, h2, h3 { font-family: 'Newsreader', Georgia, serif; font-weight: 500; line-height: 1.2; margin: 0 0 8px; }
h1 { font-size: 30px; } h2 { font-size: 22px; } h3 { font-size: 17px; }
.muted { color: var(--soft); }
.small { font-size: 13px; }

/* Layout */
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 20px; border-bottom: 1px solid var(--line); background: var(--raised); position: sticky; top: 0; z-index: 10; }
.brand { font-family: 'Newsreader', serif; font-size: 22px; font-weight: 600; color: var(--ink); text-decoration: none; }
.nav { display: flex; gap: 4px; flex-wrap: wrap; }
.nav a { text-decoration: none; color: var(--soft); padding: 6px 10px; border-radius: 6px; font-size: 14px; font-weight: 500; }
.nav a.on, .nav a:hover { color: var(--ink); background: color-mix(in srgb, var(--teal) 12%, transparent); }
.badge { display: inline-block; min-width: 18px; padding: 0 6px; border-radius: 9px; background: var(--ochre); color: #fff; font-size: 11px; font-weight: 700; text-align: center; margin-left: 4px; }
main { max-width: 860px; margin: 0 auto; padding: 28px 20px 120px; }

/* Cards and grids */
.card { background: var(--raised); border: 1px solid var(--line); border-radius: 10px; padding: 18px 20px; margin: 14px 0; }
.grid { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.stat { font-family: 'Newsreader', serif; font-size: 30px; color: var(--teal-deep); }
.label { font-size: 11.5px; font-weight: 700; letter-spacing: .03em; color: var(--soft); text-transform: uppercase; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.between { justify-content: space-between; }
.pill { font-size: 11.5px; font-weight: 600; padding: 2px 10px; border-radius: 20px; background: color-mix(in srgb, var(--teal) 14%, var(--paper)); color: var(--teal-deep); text-transform: capitalize; }
.pill.warn { background: color-mix(in srgb, var(--ochre) 18%, var(--paper)); color: var(--ochre-deep); }

/* Buttons and inputs */
.btn { appearance: none; border: 1px solid transparent; border-radius: 8px; padding: 10px 16px; font: 600 14px 'Work Sans', sans-serif; cursor: pointer; text-decoration: none; display: inline-block; }
.btn.primary { background: var(--teal); color: #fff; }
.btn.accent { background: var(--ochre); color: #fff; }
.btn.ghost { background: transparent; border-color: var(--line); color: var(--ink); }
.btn.danger { background: transparent; border-color: var(--danger); color: var(--danger); }
.btn:disabled { opacity: .45; cursor: not-allowed; }
input, textarea, select { width: 100%; padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px; background: var(--raised); color: var(--ink); font: 15px 'Work Sans', sans-serif; }
textarea { min-height: 120px; resize: vertical; }
input:focus, textarea:focus, select:focus { outline: 2px solid var(--teal); outline-offset: 1px; }
label.field { display: block; margin: 12px 0; font-size: 13px; font-weight: 600; color: var(--soft); }
label.field input, label.field select, label.field textarea { margin-top: 6px; }
.check { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; margin: 12px 0; }
.check input { width: auto; margin-top: 4px; }

/* Chat */
.chat { display: flex; flex-direction: column; gap: 12px; margin: 18px 0; }
.msg { max-width: 85%; padding: 11px 15px; border-radius: 12px; border: 1px solid var(--line); background: var(--raised); white-space: pre-wrap; }
.msg.me { align-self: flex-end; background: color-mix(in srgb, var(--ochre) 12%, var(--raised)); border-top-right-radius: 3px; }
.msg.agent { align-self: flex-start; border-top-left-radius: 3px; }
.composer { display: flex; gap: 8px; position: sticky; bottom: 0; padding: 12px 0; background: var(--paper); }

/* Progress */
.steps { list-style: none; padding: 0; margin: 10px 0 0; }
.steps li { display: flex; gap: 10px; align-items: center; padding: 5px 0; font-size: 14px; }
.dot { width: 18px; height: 18px; border-radius: 50%; border: 2px solid var(--line); flex-shrink: 0; display: grid; place-items: center; font-size: 11px; color: #fff; }
.dot.done { background: var(--teal); border-color: var(--teal); }
.dot.next { border-color: var(--ochre); }
.working { display: flex; gap: 10px; align-items: center; color: var(--soft); padding: 8px 0; }
.spin { width: 15px; height: 15px; border: 2px solid var(--line); border-top-color: var(--teal); border-radius: 50%; animation: spin .7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Ideas */
.idea { border: 1px solid var(--line); background: var(--raised); border-radius: 10px; padding: 18px 20px; margin: 14px 0; }
.idea ul { margin: 6px 0 0; padding-left: 18px; font-size: 14px; }
.preview { width: 100%; height: 560px; border: 1px solid var(--line); border-radius: 10px; background: #fff; }
.notice { padding: 12px 14px; border-radius: 8px; border: 1px solid var(--ochre); background: color-mix(in srgb, var(--ochre) 10%, var(--raised)); font-size: 14px; margin: 12px 0; }
.error { padding: 12px 14px; border-radius: 8px; border: 1px solid var(--danger); color: var(--danger); background: color-mix(in srgb, var(--danger) 8%, var(--raised)); font-size: 14px; margin: 12px 0; }
.toggle { display: inline-flex; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.toggle button { border: 0; background: transparent; padding: 7px 14px; font: 600 13px 'Work Sans', sans-serif; color: var(--soft); cursor: pointer; }
.toggle button.on { background: var(--teal); color: #fff; }
.price { font-family: 'Newsreader', serif; font-size: 34px; }
.auth { max-width: 420px; margin: 8vh auto; }
pre.draft { white-space: pre-wrap; font: 14px/1.6 'Work Sans', sans-serif; margin: 0; }

@media (max-width: 600px) {
  h1 { font-size: 25px; }
  .topbar { flex-direction: column; align-items: flex-start; }
  .msg { max-width: 95%; }
  .preview { height: 460px; }
}

[hidden] { display: none !important; }
.or { display: flex; align-items: center; gap: 10px; color: var(--soft); font-size: 13px; margin: 16px 0; }
.or::before, .or::after { content: ''; flex: 1; border-top: 1px solid var(--line); }
.btn.google { width: 100%; display: flex; align-items: center; justify-content: center; gap: 10px; background: #fff; border: 1px solid var(--line); color: #1f1f1f; margin-top: 14px; }
.btn.google svg { width: 18px; height: 18px; }

.verdict { border-radius: 8px; padding: 10px 12px; margin: 10px 0; font-size: 14px; border: 1px solid var(--line); background: var(--paper); }
.verdict.strong { border-color: var(--teal); background: color-mix(in srgb, var(--teal) 10%, var(--raised)); }
.verdict.promising { border-color: var(--ochre); background: color-mix(in srgb, var(--ochre) 10%, var(--raised)); }
.verdict.weak { border-color: var(--danger); background: color-mix(in srgb, var(--danger) 7%, var(--raised)); }