:root {
  --paper: #faf8f6;
  --paper-blue: #f2f5ff;
  --ink: #23222b;
  --soft: #6b6a75;
  --line: #e7e2dc;
  --white: #ffffff;
  --blue-bright: #a9caff;
  --blue-mid: #5b76d8;
  --blue-deep: #5238cc;
  --lavender: #dbc1f8;
  --dusty: #8a72af;
  --shadow: 0 16px 48px -34px rgba(35, 34, 43, 0.35);
}

* { box-sizing: border-box; }
html { min-height: 100%; }
body {
  min-height: 100%;
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "DM Sans", -apple-system, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}
body.locked { overflow: hidden; }
[hidden] { display: none !important; }
button, input { font: inherit; }

.gate {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  padding: 24px;
  background:
    radial-gradient(circle at 76% 20%, rgba(169, 202, 255, 0.32), transparent 28%),
    var(--paper);
}
.gate-card {
  width: min(100%, 390px);
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow);
}
.star-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  margin-bottom: 18px;
  border-radius: 12px;
  background: var(--blue-mid);
  color: white;
  font-size: 20px;
}
.gate-card h1 { margin: 0 0 8px; font-size: 24px; font-weight: 500; }
.gate-card p { margin: 0 0 22px; color: var(--soft); font-size: 14px; line-height: 1.55; }
.gate-card label { display: block; margin-bottom: 6px; color: var(--soft); font-size: 12px; font-weight: 600; }
.gate-card input {
  width: 100%;
  padding: 11px 13px;
  border: 1px solid var(--line);
  border-radius: 10px;
  outline: none;
  background: var(--paper);
  color: var(--ink);
}
.gate-card input:focus { border-color: var(--blue-mid); box-shadow: 0 0 0 3px rgba(91, 118, 216, 0.12); }
.gate-card button {
  width: 100%;
  margin-top: 12px;
  padding: 11px;
  border: 0;
  border-radius: 10px;
  background: var(--ink);
  color: white;
  cursor: pointer;
  font-weight: 500;
}
.gate-card button:disabled { opacity: 0.65; cursor: wait; }
.gate-status { min-height: 18px; margin-top: 10px; color: #b34b4b; font-size: 13px; }

.page { width: min(1120px, calc(100% - 40px)); margin: 0 auto; padding: 28px 0 72px; }
.topbar { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; }
.backlink { color: var(--blue-deep); font-size: 14px; text-decoration: none; }
.backlink:hover { text-decoration: underline; }
.lock-button {
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--soft);
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
}
.lock-button:hover { border-color: var(--blue-mid); color: var(--blue-mid); }

.hero {
  position: relative;
  min-height: 300px;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 58px 64px 72px;
  border: 1px solid #e2e7f6;
  border-radius: 26px;
  background: linear-gradient(135deg, rgba(255,255,255,0.95), var(--paper-blue));
  box-shadow: var(--shadow);
}
.hero-copy { position: relative; z-index: 2; max-width: 700px; }
.eyebrow {
  margin-bottom: 12px;
  color: var(--blue-mid);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}
.hero h1 { margin: 0; font-size: clamp(44px, 7vw, 78px); font-weight: 300; letter-spacing: -0.025em; line-height: 1.04; }
.hero p { max-width: 58ch; margin: 24px 0 0; color: var(--soft); font-size: clamp(16px, 2vw, 20px); line-height: 1.65; }
.horizon {
  position: absolute;
  right: 0;
  bottom: 48px;
  left: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--blue-bright) 20%, var(--blue-mid) 62%, transparent);
  opacity: 0.55;
}
.stars { position: absolute; top: 54px; right: 64px; color: var(--blue-deep); }
.stars span:first-child { font-size: 28px; }
.stars span:last-child { display: inline-block; margin: 34px 0 0 18px; color: var(--dusty); font-size: 15px; }

.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin: 18px 0; }
.stats article { padding: 20px 22px; border: 1px solid var(--line); border-radius: 16px; background: var(--white); }
.stats strong { display: block; font-size: clamp(24px, 3vw, 34px); font-weight: 400; }
.stats span { display: block; margin-top: 3px; color: var(--soft); font-size: 12px; }

.panel { margin-top: 18px; padding: 30px 34px; border: 1px solid var(--line); border-radius: 20px; background: var(--white); box-shadow: var(--shadow); }
.section-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 32px; margin-bottom: 24px; }
.section-heading .eyebrow { margin-bottom: 7px; }
.section-heading h2 { margin: 0; font-size: clamp(24px, 3vw, 34px); font-weight: 400; letter-spacing: -0.015em; }
.section-heading p { max-width: 390px; margin: 0; color: var(--soft); font-size: 13px; line-height: 1.55; }

.chart-wrap { position: relative; }
.chart { display: block; width: 100%; height: 260px; overflow: visible; }
.chart-grid { stroke: var(--line); stroke-width: 1; }
.chart-label { fill: var(--soft); font-size: 10px; font-variant-numeric: tabular-nums; }
.tooltip {
  position: absolute;
  z-index: 4;
  display: none;
  padding: 6px 9px;
  border-radius: 7px;
  transform: translate(-50%, -120%);
  background: var(--ink);
  color: white;
  pointer-events: none;
  white-space: nowrap;
  font-size: 12px;
}
.legend { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 14px; color: var(--soft); font-size: 12px; }
.swatch { display: inline-block; width: 9px; height: 9px; margin-right: 6px; border-radius: 2px; }

.own-words-list { border-top: 1px solid var(--line); }
.own-words-card { border-bottom: 1px solid var(--line); }
.own-words-card > summary {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr) 20px;
  align-items: center;
  gap: 14px;
  padding: 20px 2px;
  cursor: pointer;
  list-style: none;
}
.own-words-card > summary::-webkit-details-marker { display: none; }
.own-number { color: var(--dusty); font-size: 12px; font-weight: 600; text-align: right; }
.own-question { font-size: clamp(18px, 2.4vw, 25px); font-weight: 400; letter-spacing: -0.01em; }
.own-caret { color: var(--soft); font-size: 20px; transition: transform 0.16s; }
.own-words-card[open] .own-caret { transform: rotate(90deg); }
.own-answer { display: grid; grid-template-columns: minmax(230px, 0.72fr) minmax(0, 1.7fr); gap: 16px; padding: 0 2px 22px 58px; }
.own-synthesis, .own-evidence { padding: 18px; border-radius: 14px; }
.own-synthesis { align-self: start; background: linear-gradient(145deg, var(--paper-blue), #f7f2ff); }
.own-synthesis > p { margin: 0; font-size: 14px; line-height: 1.7; }
.own-themes { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 16px; }
.own-themes span { padding: 3px 8px; border: 1px solid rgba(91,118,216,0.18); border-radius: 999px; background: rgba(255,255,255,0.65); color: var(--soft); font-size: 10.5px; }
.own-evidence { border: 1px solid var(--line); background: #fff; }
.own-quotes { display: grid; grid-template-columns: 1fr 1fr; gap: 9px; }
.own-quote { margin: 0; padding: 13px 14px; border-left: 2px solid var(--lavender); background: #fcfaff; }
.own-quote p { margin: 0; font-size: 12.5px; line-height: 1.6; white-space: pre-wrap; }
.own-quote footer { margin: 9px 0 0; color: var(--soft); font-size: 10.5px; text-align: left; }
.own-quote details { margin-top: 5px; color: var(--soft); font-size: 10px; }
.own-quote summary { cursor: pointer; color: var(--blue-mid); }
.own-quote code { display: block; margin-top: 4px; overflow-wrap: anywhere; font-family: inherit; }
.own-words-caveat { margin: 16px 2px 0; color: var(--soft); font-size: 11.5px; line-height: 1.6; }

.decision-key { display: flex; flex-wrap: wrap; gap: 16px; margin: -4px 0 20px; color: var(--soft); font-size: 12px; }
.decision-key span { display: inline-flex; align-items: center; gap: 7px; }
.decision-key i { width: 10px; height: 10px; border-radius: 3px; }
.key-generated { background: var(--blue-bright); }
.key-k { background: var(--lavender); }
.key-reading { border: 1px solid var(--dusty); background: white; }

.decision-toolbar {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) 210px auto;
  align-items: end;
  gap: 12px;
  margin-bottom: 18px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--paper);
}
.decision-toolbar label span { display: block; margin-bottom: 6px; color: var(--soft); font-size: 11px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; }
.decision-toolbar input, .decision-toolbar select {
  width: 100%;
  min-height: 40px;
  padding: 9px 11px;
  border: 1px solid var(--line);
  border-radius: 9px;
  outline: none;
  background: white;
  color: var(--ink);
}
.decision-toolbar input:focus, .decision-toolbar select:focus { border-color: var(--blue-mid); box-shadow: 0 0 0 3px rgba(91,118,216,0.1); }
.decision-result-count { padding: 0 2px 11px; color: var(--soft); font-size: 12px; white-space: nowrap; }
.decision-list { display: grid; gap: 14px; }
.decision-card { overflow: hidden; border: 1px solid var(--line); border-radius: 17px; background: white; }
.decision-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 14px; padding: 17px 19px; border-bottom: 1px solid var(--line); }
.decision-head h3 { margin: 0; font-size: 16px; font-weight: 500; }
.decision-date { margin-top: 3px; color: var(--soft); font-size: 11.5px; }
.outcome { flex: none; padding: 3px 9px; border-radius: 999px; background: var(--paper-blue); color: var(--blue-mid); font-size: 10.5px; font-weight: 600; }
.outcome-revised, .outcome-declined_or_blocked { background: #fbf0f3; color: #a4576c; }
.outcome-confirmed { background: #eef7f4; color: #4f8373; }
.outcome-requested_more { background: #f8f2e8; color: #9a733e; }
.outcome-selected { background: #f3eefb; color: var(--dusty); }
.decision-flow { display: grid; grid-template-columns: minmax(0, 1fr) 24px minmax(0, 1fr); align-items: start; gap: 10px; padding: 18px 19px; }
.decision-generated, .decision-k, .decision-reading { padding: 15px 16px; border-radius: 13px; }
.decision-generated { background: var(--paper-blue); }
.decision-k { background: #faf6ff; }
.decision-reading { grid-column: 1 / -1; border: 1px solid var(--line); background: var(--paper); }
.decision-label { margin-bottom: 7px; color: var(--soft); font-size: 10.5px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; }
.decision-flow p, .decision-flow blockquote { margin: 0; font-size: 13.5px; line-height: 1.65; white-space: pre-wrap; }
.decision-k blockquote { padding: 0; border: 0; }
.decision-k blockquote + blockquote { margin-top: 12px; padding-top: 12px; border-top: 1px solid rgba(138,114,175,0.2); }
.flow-arrow { display: grid; min-height: 48px; place-items: center; color: var(--dusty); font-size: 0; }
.flow-arrow::before { content: "→"; font-size: 18px; }
.decision-foot { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; padding: 11px 19px; border-top: 1px solid var(--line); background: #fdfcfa; color: var(--soft); font-size: 10.5px; }
.decision-foot details { max-width: 72%; text-align: right; }
.decision-foot summary { cursor: pointer; color: var(--blue-mid); }
.decision-foot details div { margin-top: 6px; overflow-wrap: anywhere; line-height: 1.5; }
.load-more { display: block; margin: 18px auto 0; padding: 9px 15px; border: 1px solid var(--line); border-radius: 10px; background: white; color: var(--blue-mid); cursor: pointer; font-weight: 600; }
.load-more:hover { border-color: var(--blue-mid); }
.decision-caveat { margin: 18px 2px 0; color: var(--soft); font-size: 11.5px; line-height: 1.6; }

.threads { border-top: 1px solid var(--line); }
.thread { border-bottom: 1px solid var(--line); }
.thread-button {
  width: 100%;
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr) auto 50px 18px;
  align-items: center;
  gap: 12px;
  padding: 15px 2px;
  border: 0;
  background: transparent;
  color: inherit;
  text-align: left;
  cursor: pointer;
}
.thread-button:hover .thread-title, .thread-button:focus-visible .thread-title { color: var(--blue-mid); }
.rank { color: var(--dusty); font-size: 12px; font-weight: 600; text-align: right; }
.thread-copy { min-width: 0; }
.thread-title { display: block; overflow: hidden; font-size: 15px; font-weight: 500; text-overflow: ellipsis; white-space: nowrap; transition: color 0.15s; }
.thread-meta { display: block; margin-top: 3px; color: var(--soft); font-size: 11.5px; font-variant-numeric: tabular-nums; }
.tags { display: flex; gap: 5px; }
.tag { padding: 2px 8px; border: 1px solid var(--line); border-radius: 999px; background: var(--paper); color: var(--soft); font-size: 10.5px; }
.thread-count { color: var(--ink); font-size: 13px; font-weight: 600; text-align: right; font-variant-numeric: tabular-nums; }
.caret { color: var(--soft); transition: transform 0.16s; }
.thread.open .caret { transform: rotate(90deg); }
.thread-detail { padding: 2px 12px 18px 42px; }
.detail-note { margin-bottom: 12px; color: var(--soft); font-size: 12px; font-style: italic; }
.example { margin-bottom: 10px; padding: 11px 14px; border-left: 2px solid var(--blue-bright); background: #fbfbff; }
.example-meta { margin-bottom: 5px; color: var(--soft); font-size: 11px; font-variant-numeric: tabular-nums; }
.example-text { font-size: 13.5px; line-height: 1.6; }
.empty { padding: 34px 0; color: var(--soft); text-align: center; }

.source-note { margin: 18px 4px 0; color: var(--soft); font-size: 12px; line-height: 1.6; }
footer { margin-top: 54px; color: var(--soft); font-size: 11px; text-align: center; }

@media (max-width: 760px) {
  .page { width: min(100% - 24px, 1120px); padding-top: 18px; }
  .hero { min-height: 260px; padding: 44px 28px 62px; }
  .stars { top: 30px; right: 28px; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .section-heading { align-items: flex-start; flex-direction: column; gap: 10px; }
  .panel { padding: 24px 18px; }
  .thread-button { grid-template-columns: 22px minmax(0, 1fr) 42px 14px; gap: 9px; }
  .tags { display: none; }
  .thread-detail { padding-left: 31px; }
  .decision-toolbar { grid-template-columns: 1fr 1fr; }
  .decision-result-count { grid-column: 1 / -1; padding-bottom: 0; }
  .own-answer { grid-template-columns: 1fr; padding-left: 31px; }
  .own-quotes { grid-template-columns: 1fr; }
  .decision-flow { grid-template-columns: 1fr; }
  .flow-arrow { min-height: 20px; }
  .flow-arrow::before { content: "↓"; }
  .decision-reading { grid-column: auto; }
}

@media (max-width: 430px) {
  .hero h1 { font-size: 42px; }
  .stats article { padding: 16px; }
  .chart { height: 220px; }
  .decision-toolbar { grid-template-columns: 1fr; }
  .decision-result-count { grid-column: auto; }
  .decision-head, .decision-foot { align-items: flex-start; flex-direction: column; }
  .decision-foot details { max-width: 100%; text-align: left; }
  .own-words-card > summary { grid-template-columns: 28px minmax(0, 1fr) 16px; gap: 9px; }
  .own-answer { padding-left: 0; }
}