/* colog - mobile-first stylesheet. One accent (teal), generous whitespace,
   ink on paper. Digest alerts are the only red on the page. */
:root {
  --accent: #0e7490;
  --accent-dark: #155e75;
  --accent-soft: #e0f2f7;
  --ink: #17222b;
  --muted: #5b6b78;
  --line: #dde5ea;
  --bg: #f6f8f9;
  --card: #ffffff;
  --alert: #b91c1c;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
}
img, svg { max-width: 100%; height: auto; }
body { overflow-x: clip; }
code {
  background: var(--accent-soft); border-radius: 5px; padding: 0.05rem 0.35rem;
  font-size: 0.88em; color: var(--accent-dark);
}

/* ---------- nav ---------- */
.topnav {
  display: flex; flex-wrap: nowrap; align-items: center; gap: 0.6rem;
  padding: 0.7rem 1rem; background: var(--card);
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 10;
}
.brand { font-size: 1.15rem; font-weight: 800; text-decoration: none; color: var(--ink); white-space: nowrap; }
.brand::before { content: "\25A3\00a0"; color: var(--accent); }
.nav-links {
  margin-left: auto; display: flex; align-items: center;
  gap: 0.8rem; font-size: 0.88rem; white-space: nowrap; overflow-x: auto;
}
.nav-links a { color: var(--muted); text-decoration: none; padding: 0.15rem 0; }
.nav-links a:hover { color: var(--accent-dark); }
.nav-links .btn-sm { color: #fff; }

.container { max-width: 1020px; margin: 0 auto; padding: 1rem; }

/* ---------- cards & buttons ---------- */
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  padding: 1.15rem 1.25rem; margin: 1rem 0;
}
.card h1 { margin-top: 0.2rem; }
.card h2 { margin-top: 0.2rem; }
.btn {
  display: inline-block; background: var(--accent); color: #fff; border: 0;
  padding: 0.65rem 1.2rem; border-radius: 8px; font-size: 0.98rem;
  font-weight: 600; cursor: pointer; text-decoration: none; text-align: center;
}
.btn:hover { background: var(--accent-dark); }
.btn-sm { padding: 0.35rem 0.85rem; font-size: 0.88rem; }
.btn-secondary {
  background: var(--card); color: var(--accent-dark);
  border: 1px solid var(--line);
}
.btn-secondary:hover { background: var(--accent-soft); }
.btn-commit { background: var(--accent); font-weight: 700; }
.link-btn {
  background: none; border: 0; color: var(--alert); cursor: pointer;
  font-size: 0.88rem; padding: 0; text-decoration: underline;
}
.hint { color: var(--muted); font-size: 0.87rem; }
.error { color: var(--alert); font-weight: 600; }
.empty-hint { text-align: center; padding: 1.2rem 0; color: var(--muted); }
.big-number { font-size: 2.3rem; font-weight: 800; margin: 0.2rem 0; color: var(--accent-dark); }

/* ---------- hero (logged-out index) ---------- */
.eyebrow {
  display: inline-block; text-transform: uppercase; letter-spacing: 0.12em;
  font-size: 0.72rem; font-weight: 800; color: var(--accent-dark);
  background: var(--accent-soft); border-radius: 999px; padding: 0.25rem 0.8rem;
}
.hero { padding: 2rem 0 0.6rem; max-width: 680px; }
.hero h1 {
  font-size: clamp(1.8rem, 6.5vw, 2.7rem); line-height: 1.15;
  margin: 0.7rem 0 0.7rem; letter-spacing: -0.02em;
}
.hero > p { color: var(--muted); max-width: 56ch; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 0.6rem; margin: 1rem 0 0.6rem; }
.feature-grid { display: grid; grid-template-columns: 1fr; gap: 0.9rem; margin: 1.1rem 0; }
.feature-card { margin: 0; }
.feature-card h3 { margin: 0.4rem 0 0.3rem; }
.feature-card p { margin: 0; color: var(--muted); font-size: 0.92rem; }
.feature-icon { font-size: 1.4rem; }
ol.steps { margin: 0.6rem 0 0; padding-left: 1.4rem; }
ol.steps li { margin: 0.55rem 0; }
ol.steps li span { display: block; color: var(--muted); font-size: 0.92rem; }

/* ---------- forms ---------- */
.field { display: block; margin-bottom: 1rem; }
.field span { display: block; font-weight: 600; margin-bottom: 0.3rem; }
input[type="text"], input[type="email"], input[type="password"],
input[type="url"], select, textarea {
  width: 100%; padding: 0.6rem 0.7rem; border: 1px solid var(--line);
  border-radius: 8px; font-size: 0.98rem; font-family: inherit;
  background: #fff; color: var(--ink);
}
textarea { resize: vertical; }
input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 1px; border-color: var(--accent);
}
input[type="checkbox"] { accent-color: var(--accent); }
.auth-card { max-width: 440px; margin: 1.5rem auto; }
.inline-form { display: inline; }
.inline-form select {
  width: auto; border-radius: 6px; font-size: 0.8rem; padding: 0.1rem 0.3rem;
  color: var(--muted);
}
.contact-form textarea { min-height: 8rem; }
.hp-field { position: absolute; left: -5000px; opacity: 0; height: 0; }

/* ---------- widget page ---------- */
.widget-promo { border-left: 4px solid var(--accent); }
.widget-promo h2 { margin: 0 0 0.2rem; }
.steps-list { list-style: none; counter-reset: s; margin: 0.8rem 0; padding: 0; }
.steps-list li {
  counter-increment: s; position: relative; padding: 0.7rem 0 0.7rem 2.6rem;
  border-bottom: 1px dashed var(--line);
  display: flex; flex-wrap: wrap; align-items: center; gap: 0.6rem;
}
.steps-list li:last-child { border-bottom: 0; }
.steps-list li::before {
  content: counter(s); position: absolute; left: 0; top: 0.8rem;
  width: 1.8rem; height: 1.8rem; border-radius: 50%;
  background: var(--accent); color: #fff; font-weight: 800; font-size: 0.9rem;
  display: flex; align-items: center; justify-content: center;
}

/* ---------- tags & sessions ---------- */
.tagbadge {
  display: inline-block; background: var(--accent-soft); color: var(--accent-dark);
  border-radius: 999px; padding: 0.1rem 0.6rem; font-size: 0.8rem; font-weight: 700;
}
.tagname { font-weight: 700; }
.kind {
  display: inline-block; font-size: 0.72rem; text-transform: uppercase;
  letter-spacing: 0.06em; color: var(--muted); border: 1px solid var(--line);
  border-radius: 999px; padding: 0.05rem 0.5rem; vertical-align: middle;
}
.who { font-weight: 600; color: var(--accent-dark); }
.turns { list-style: none; margin: 0.8rem 0; padding: 0; }
.turns li, .turn {
  border: 1px solid var(--line); border-radius: 10px; background: var(--card);
  padding: 0.7rem 0.9rem; margin: 0.55rem 0;
}
.turns li.user { border-left: 4px solid var(--accent); }
.turns li.assistant { border-left: 4px solid var(--line); }
.turns .hint { display: block; margin-bottom: 0.2rem; }
.excl { opacity: 0.55; text-decoration: line-through; }
.artifact, .log-frame {
  background: #0f1720; color: #dbe7ee; border-radius: 10px;
  padding: 0.8rem 1rem; overflow-x: auto;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.85rem; line-height: 1.5;
}
.artifact-bar {
  display: flex; gap: 0.4rem; align-items: center; margin-bottom: 0.5rem;
  color: #8aa0b4; font-size: 0.78rem;
}

/* ---------- review screen ---------- */
.review { border-left: 4px solid var(--accent); }
.review-foot {
  display: flex; flex-wrap: wrap; gap: 0.7rem; align-items: center;
  margin-top: 1rem;
}
.review-tag { margin-right: 0.4rem; }
.tick { color: #15803d; font-weight: 700; }
.advisory {
  background: #fefce8; border: 1px solid #fde68a; color: #713f12;
  border-radius: 10px; padding: 0.7rem 1rem; margin: 0.8rem 0; font-size: 0.9rem;
}

/* ---------- digest ---------- */
.digest-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 0.4rem 1rem; }
.digest-meta { color: var(--muted); font-size: 0.84rem; }
.digest-body p:first-child { font-size: 1.02rem; }
.digest-section h3 { color: var(--accent-dark); }
.digest-alert { background: #fef2f2; }
.digest-alert h3 { color: var(--alert); }
.sum { font-size: 1.02rem; }
.claims li { margin: 0.45rem 0; }
.contra { border: 1px solid var(--alert); border-radius: 10px; padding: 0.8rem; }
.stage { margin-top: 0.8rem; color: var(--muted); }
.progress { height: 8px; background: var(--line); border-radius: 999px; overflow: hidden; }
.progress-bar { height: 100%; background: var(--accent); transition: width 0.5s; }
.status-card { text-align: center; }

/* ---------- read-back ---------- */
.readback { border-top: 1px dashed var(--line); padding-top: 1rem; }
.rb-row { display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center; }
.rb-scope { max-width: 14rem; }
.rb-search { flex: 1; min-width: 12rem; }
.rb-result { border: 1px solid var(--line); border-radius: 10px; padding: 0.7rem 0.9rem; margin: 0.5rem 0; }
.rb-copy { font-size: 0.9rem; }
.rb-hint { color: var(--muted); font-size: 0.84rem; }

/* ---------- tables ---------- */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
table.jobs { width: 100%; border-collapse: collapse; min-width: 560px; }
table.jobs th {
  text-align: left; padding: 0.45rem 0.6rem; font-size: 0.78rem;
  text-transform: uppercase; letter-spacing: 0.05em; color: var(--muted);
  border-bottom: 2px solid var(--line);
}
table.jobs td {
  text-align: left; padding: 0.55rem 0.6rem;
  border-bottom: 1px solid var(--line);
}
.badge { padding: 0.12rem 0.55rem; border-radius: 999px; font-size: 0.78rem; font-weight: 700; }
.badge-done { background: #dcfce7; color: #166534; }
.badge-processing, .badge-queued { background: var(--accent-soft); color: var(--accent-dark); }
.badge-error { background: #fee2e2; color: #991b1b; }
.actions-col { white-space: nowrap; }

/* ---------- banners ---------- */
.success-banner {
  background: #dcfce7; border: 1px solid #86efac; color: #166534;
  padding: 0.7rem 1.1rem; border-radius: 10px;
}
.verify-banner {
  background: var(--accent-soft); border: 1px solid #a5d8e6; color: var(--accent-dark);
  padding: 0.9rem 1.2rem; border-radius: 10px; margin: 1rem 0;
}
.verify-banner form { display: inline; }
.dev-banner {
  background: #fef9c3; border: 1px solid #fde047; color: #854d0e;
  padding: 0.7rem 1.1rem; border-radius: 10px;
}

/* ---------- pricing / buy options ---------- */
.pricing-grid, .buy-options, .account-grid {
  display: grid; grid-template-columns: 1fr; gap: 0.9rem; margin: 1rem 0;
}
.price-card, .buy-option {
  background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  padding: 1rem 1.2rem; display: flex; flex-direction: column; gap: 0.15rem;
}
.price-card.featured, .buy-option.featured {
  border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent);
}
.price-card h2 { margin: 0; }
.price-badge {
  align-self: flex-start; background: var(--accent); color: #fff;
  font-size: 0.72rem; font-weight: 800; border-radius: 999px;
  padding: 0.1rem 0.6rem; text-transform: uppercase; letter-spacing: 0.05em;
}
.price-big, .buy-price { font-size: 1.9rem; font-weight: 800; margin: 0.2rem 0 0; }
.price-per { font-size: 0.92rem; font-weight: 600; color: var(--muted); }
.price-unit, .price-desc, .buy-desc { color: var(--muted); font-size: 0.88rem; }
.price-feats { color: var(--muted); font-size: 0.9rem; padding-left: 1.1rem; flex: 1; }
.price-note, .price-free { color: var(--muted); font-size: 0.85rem; }
.buy-option .btn { margin-top: 0.5rem; align-self: flex-start; }

/* ---------- content pages, 404, footer ---------- */
.content-page { max-width: 720px; margin: 0 auto; padding: 1.4rem 0; }
.content-page h1 { font-size: clamp(1.6rem, 5vw, 2.1rem); margin: 0.6rem 0 1rem; }
.content-page h2 { font-size: 1.12rem; margin: 1.5rem 0 0.4rem; }
.content-page p, .content-page li { color: #33424e; }
.content-page a { color: var(--accent-dark); }
.faq-list { margin: 0.8rem 0; }
.faq-item { border-bottom: 1px solid var(--line); padding: 0.7rem 0; }
.faq-item .q { font-weight: 700; }
.notfound { text-align: center; padding: 3rem 0; }
.notfound-code { font-size: 5rem; font-weight: 800; color: var(--accent); margin: 0; line-height: 1; }
.notfound .hero-ctas { justify-content: center; }

.site-footer { background: var(--card); border-top: 1px solid var(--line); margin-top: 3rem; }
.footer-inner {
  max-width: 1020px; margin: 0 auto; padding: 2rem 1rem 1rem;
  display: grid; grid-template-columns: 1fr; gap: 1.5rem;
}
.footer-brand p { color: var(--muted); font-size: 0.9rem; max-width: 34ch; }
.footer-col { display: flex; flex-direction: column; gap: 0.4rem; font-size: 0.92rem; }
.footer-col b { margin-bottom: 0.3rem; }
.footer-col a { color: var(--muted); text-decoration: none; }
.footer-col a:hover { color: var(--accent-dark); }
.footer-base {
  max-width: 1020px; margin: 0 auto; padding: 1rem;
  color: var(--muted); font-size: 0.82rem; border-top: 1px solid var(--line);
}

/* ---------- desktop ---------- */
@media (min-width: 780px) {
  .container { padding: 1.6rem 1.5rem 2.2rem; }
  .topnav { padding: 0.8rem 1.6rem; gap: 1rem; }
  .brand { font-size: 1.25rem; }
  .nav-links { gap: 1.1rem; font-size: 0.93rem; }
  .card { padding: 1.4rem 1.6rem; }
  .feature-grid { grid-template-columns: repeat(3, 1fr); }
  .pricing-grid { grid-template-columns: repeat(3, 1fr); }
  .buy-options { grid-template-columns: repeat(3, 1fr); }
  .account-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-inner { grid-template-columns: 2fr 1fr 1fr 1fr 1fr; padding: 2.4rem 1.5rem 1.5rem; }
  .footer-base { padding: 1rem 1.5rem; }
}