/* Studio S.O — the intelligence of a study, not the glare of a dashboard.
   Azure Mist and Sage Glass ground, Deep Sea Blue for structure, Gold only
   where a human has to decide something. */

:root {
  --sky: #e0f2f7;
  --sage: #e8f0e8;
  --charcoal: #2f3e46;
  --navy: #1b4965;
  --navy-soft: #3b6d8f;
  --gold: #e0a96d;
  --paper: rgba(255, 255, 255, 0.86);
  --line: rgba(47, 62, 70, 0.14);
  --line-strong: rgba(47, 62, 70, 0.28);
  --muted: rgba(47, 62, 70, 0.62);
  --green: #2f7a5a;
  --amber: #b07d2a;
  --rust: #a8503c;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(27, 73, 101, 0.06), 0 8px 24px rgba(27, 73, 101, 0.07);
  --mono: "SFMono-Regular", "JetBrains Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
}

body {
  font-family: "Inter", "Segoe UI", -apple-system, BlinkMacSystemFont, "Hiragino Sans",
    "Noto Sans JP", sans-serif;
  color: var(--charcoal);
  background: linear-gradient(160deg, var(--sky) 0%, var(--sage) 62%, #f3f7f3 100%);
  background-attachment: fixed;
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ---------- shell ---------- */

header.masthead {
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 20;
}

.masthead-inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: baseline;
  gap: 16px;
  flex-wrap: wrap;
}

.wordmark {
  font-size: 19px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--navy);
}

.tagline {
  color: var(--muted);
  font-size: 13px;
  flex: 1 1 220px;
}

main {
  max-width: 1240px;
  margin: 0 auto;
  padding: 24px;
  display: grid;
  grid-template-columns: minmax(320px, 400px) 1fr;
  gap: 24px;
  align-items: start;
}

@media (max-width: 940px) {
  main { grid-template-columns: 1fr; }
}

/* ---------- cards ---------- */

.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px 20px;
  margin-bottom: 18px;
}

.card h2 {
  margin: 0 0 14px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--navy-soft);
}

.card h2 .count {
  text-transform: none;
  letter-spacing: 0;
  font-weight: 400;
  color: var(--muted);
  margin-left: 6px;
}

/* ---------- controls ---------- */

.seg {
  display: inline-flex;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.7);
}

.seg button {
  border: 0;
  background: transparent;
  padding: 5px 15px;
  font: inherit;
  font-size: 13px;
  color: var(--muted);
  cursor: pointer;
}

.seg button[aria-pressed="true"] {
  background: var(--navy);
  color: #fff;
}

label.field {
  display: block;
  margin-bottom: 14px;
}

label.field > span {
  display: block;
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 5px;
}

textarea, input, select {
  width: 100%;
  font: inherit;
  color: var(--charcoal);
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  padding: 9px 11px;
}

textarea {
  min-height: 190px;
  resize: vertical;
  line-height: 1.55;
}

textarea:focus, input:focus, select:focus {
  outline: 2px solid rgba(27, 73, 101, 0.35);
  outline-offset: 1px;
}

.row { display: flex; gap: 12px; }
.row > * { flex: 1; }

button.primary {
  width: 100%;
  border: 0;
  border-radius: 8px;
  background: var(--navy);
  color: #fff;
  font: inherit;
  font-weight: 600;
  padding: 11px;
  cursor: pointer;
}

button.primary:disabled { opacity: 0.55; cursor: progress; }
button.primary:not(:disabled):hover { background: #163d55; }

.samples { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 14px; }

.samples button {
  border: 1px dashed var(--line-strong);
  background: rgba(255, 255, 255, 0.55);
  border-radius: 999px;
  padding: 4px 11px;
  font: inherit;
  font-size: 12px;
  color: var(--navy);
  cursor: pointer;
}

.samples button:hover { border-style: solid; background: #fff; }

/* ---------- verdict ---------- */

.verdict-head { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }

.score-dial {
  --pct: 0;
  width: 92px;
  height: 92px;
  border-radius: 50%;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  background: conic-gradient(var(--dial, var(--navy)) calc(var(--pct) * 1%), rgba(47, 62, 70, 0.1) 0);
  position: relative;
}

.score-dial::after {
  content: "";
  position: absolute;
  inset: 8px;
  border-radius: 50%;
  background: #fff;
}

.score-dial span {
  position: relative;
  font-size: 26px;
  font-weight: 600;
  color: var(--charcoal);
}

.verdict-label { font-size: 22px; font-weight: 600; letter-spacing: -0.01em; }
.verdict-GREENLIT { color: var(--green); }
.verdict-CONDITIONAL { color: var(--amber); }
.verdict-RESHAPE { color: var(--gold); }
.verdict-PASS { color: var(--rust); }

.meta-strip {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  font-size: 12px;
  color: var(--muted);
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.meta-strip b { color: var(--navy); font-variant-numeric: tabular-nums; font-weight: 600; }

/* ---------- figures ---------- */

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(132px, 1fr));
  gap: 12px;
}

.stat {
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 12px;
}

.stat .k { font-size: 11px; color: var(--muted); }
.stat .v {
  font-size: 17px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--navy);
  margin-top: 2px;
}

table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 7px 8px; border-bottom: 1px solid var(--line); }
th { font-size: 11px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); font-weight: 600; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
tbody tr:last-child td { border-bottom: 0; }
.table-scroll { overflow-x: auto; }

/* ---------- trace ---------- */

.trace-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
  align-items: baseline;
}

.trace-row:last-child { border-bottom: 0; }
.trace-tool { font-family: var(--mono); font-size: 12px; color: var(--navy); }
.trace-args { color: var(--muted); font-size: 12px; }
.trace-ms { font-variant-numeric: tabular-nums; color: var(--muted); font-size: 12px; white-space: nowrap; }
.trace-error { color: var(--rust); }

pre.sql {
  margin: 6px 0 0;
  padding: 10px 12px;
  background: rgba(27, 73, 101, 0.05);
  border-left: 2px solid var(--gold);
  border-radius: 0 6px 6px 0;
  font-family: var(--mono);
  font-size: 11.5px;
  line-height: 1.5;
  white-space: pre-wrap;
  word-break: break-word;
  color: #24404f;
}

/* ---------- memo ---------- */

.memo {
  white-space: pre-wrap;
  font-size: 14.5px;
  line-height: 1.72;
  font-family: "Iowan Old Style", "Source Serif 4", Georgia, "Yu Mincho", serif;
}

.assumption { padding: 8px 0; border-bottom: 1px solid var(--line); font-size: 13px; }
.assumption:last-child { border-bottom: 0; }
.assumption b { color: var(--navy); font-family: var(--mono); font-size: 12px; font-weight: 600; }
.assumption p { margin: 3px 0 0; color: var(--muted); }

/* ---------- what-if ---------- */

.lever { margin-bottom: 14px; }
.lever-head { display: flex; justify-content: space-between; font-size: 12px; margin-bottom: 4px; }
.lever-head b { font-variant-numeric: tabular-nums; color: var(--navy); }
input[type="range"] { width: 100%; accent-color: var(--navy); padding: 0; border: 0; background: transparent; }

.delta { font-variant-numeric: tabular-nums; font-weight: 600; }
.delta.up { color: var(--green); }
.delta.down { color: var(--rust); }

/* ---------- misc ---------- */

.notice {
  font-size: 12px;
  color: var(--muted);
  border-left: 2px solid var(--gold);
  padding-left: 10px;
  margin-top: 12px;
}

.error {
  border-left-color: var(--rust);
  color: var(--rust);
}

.hidden { display: none !important; }

.spinner {
  width: 13px; height: 13px;
  border: 2px solid rgba(255,255,255,0.35);
  border-top-color: #fff;
  border-radius: 50%;
  display: inline-block;
  vertical-align: -2px;
  margin-right: 7px;
  animation: spin 0.8s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

footer {
  max-width: 1240px;
  margin: 0 auto;
  padding: 8px 24px 40px;
  font-size: 12px;
  color: var(--muted);
}

footer a { color: var(--navy-soft); }


/* ---------- score breakdown ---------- */
/* A single number invites the reader to stop thinking. The parts are shown so
   the verdict can be argued with rather than accepted. */

.breakdown { margin-top: 16px; padding-top: 14px; border-top: 1px solid var(--line); }

.breakdown-title {
  font-size: 11px; letter-spacing: .08em; text-transform: uppercase;
  color: var(--navy-soft); margin-bottom: 8px;
}

.breakdown-row {
  display: grid;
  grid-template-columns: minmax(140px, 1.4fr) 1fr 42px;
  gap: 10px; align-items: center; padding: 3px 0; font-size: 12.5px;
}

.breakdown-row .k { color: var(--muted); }
.breakdown-bar { height: 6px; border-radius: 3px; background: rgba(47,62,70,.09); overflow: hidden; }
.breakdown-bar span { display: block; height: 100%; border-radius: 3px; background: var(--navy-soft); }
.breakdown-row .v { text-align: right; font-variant-numeric: tabular-nums; color: var(--navy); font-weight: 600; }
.breakdown-basis { margin-top: 8px; font-size: 11.5px; color: var(--muted); font-style: italic; }

/* ---------- rejected comparables ---------- */

tr.comp-excluded td { opacity: .38; text-decoration: line-through; }
tr.comp-excluded td:first-child { opacity: 1; text-decoration: none; }
input.use-comp { width: auto; margin: 0; accent-color: var(--navy); }


/* ---------- where the verdict changes ---------- */
/* The memo says "reduce the budget"; the slider lets you try it. Neither is an
   answer. This is the answer, and it is clickable. */

.ladder { margin-top: 16px; padding-top: 14px; border-top: 1px solid var(--line); }
.ladder-title {
  font-size: 11px; letter-spacing: .08em; text-transform: uppercase;
  color: var(--navy-soft); margin-bottom: 8px;
}

.rung {
  display: grid;
  grid-template-columns: 74px 1fr auto;
  gap: 9px; align-items: center;
  width: 100%; text-align: left;
  border: 0; background: transparent; font: inherit;
  padding: 4px 6px; border-radius: 6px; cursor: pointer;
}

.rung:hover { background: rgba(27, 73, 101, .06); }
.rung[aria-current="true"] { background: rgba(27, 73, 101, .09); }
.rung-value { font-variant-numeric: tabular-nums; font-size: 12.5px; color: var(--charcoal); }
.rung-track { height: 5px; border-radius: 3px; background: rgba(47,62,70,.09); overflow: hidden; }
.rung-track span { display: block; height: 100%; border-radius: 3px; }
.rung-verdict { font-size: 11px; white-space: nowrap; font-weight: 600; }

.tipping-note {
  margin-top: 10px; font-size: 12.5px; color: var(--charcoal);
  border-left: 2px solid var(--gold); padding-left: 10px; line-height: 1.5;
}


/* ---------- claims linked to their evidence ---------- */

.cited {
  border-bottom: 1px dotted var(--navy-soft);
  cursor: pointer;
}

.cited:hover { background: rgba(224, 169, 109, .22); }

tr.comp-lit td { background: rgba(224, 169, 109, .18); }
tr.comp-lit { transition: background .2s ease; }