:root {
  --ink: #1c2733;
  --ink-soft: #5b6672;
  --petrol: #123a36;
  --petrol-deep: #0c2b28;
  --amber: #f4b942;
  --amber-soft: #fdf3dc;
  --paper: #f5f6f4;
  --card: #ffffff;
  --line: #e2e5e1;
  --ok: #1f7a4d;
  --err: #b3372f;
  --radius: 12px;
  --display: "Space Grotesk", sans-serif;
  --body: "Inter", sans-serif;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: var(--body);
  font-size: 15px;
  color: var(--ink);
  background: var(--paper);
  display: flex;
  min-height: 100vh;
}
h1, h2, h3 { font-family: var(--display); letter-spacing: -0.01em; }
h1 { font-size: 26px; margin: 0 0 4px; }
h2 { font-size: 19px; }
a { color: var(--petrol); }

/* ---------- sidebar ---------- */
.sidebar {
  width: 224px;
  flex-shrink: 0;
  background: var(--petrol);
  color: #d8e2df;
  display: flex;
  flex-direction: column;
  padding: 24px 16px;
  position: sticky;
  top: 0;
  height: 100vh;
}
.brand {
  font-family: var(--display);
  font-weight: 700;
  font-size: 20px;
  color: #fff;
  margin-bottom: 28px;
  padding-left: 10px;
}
.brand span { color: var(--amber); }
.sidebar nav { display: flex; flex-direction: column; gap: 2px; flex: 1; }
.sidebar nav a {
  color: #cfdad6;
  text-decoration: none;
  padding: 9px 10px;
  border-radius: 8px;
  font-size: 14px;
}
.sidebar nav a:hover { background: rgba(255,255,255,.08); color: #fff; }
.sidebar-foot { border-top: 1px solid rgba(255,255,255,.14); padding-top: 14px; }
.who { font-size: 13px; color: #fff; margin-bottom: 4px; word-break: break-all; }
.signout { font-size: 13px; color: var(--amber); text-decoration: none; }

/* ---------- layout ---------- */
.content { flex: 1; padding: 36px 44px; max-width: 1100px; }
.page-sub { color: var(--ink-soft); margin: 0 0 26px; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 24px;
  margin-bottom: 20px;
}
.grid { display: grid; gap: 16px; }
.grid.cols-4 { grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); }

.stat { text-align: left; }
.stat .n { font-family: var(--display); font-size: 30px; font-weight: 600; }
.stat .l { color: var(--ink-soft); font-size: 13px; }

/* ---------- forms ---------- */
label { display: block; font-size: 13px; font-weight: 500; margin: 12px 0 4px; }
input[type=text], input[type=email], input[type=password], input[type=number],
select {
  width: 100%;
  max-width: 420px;
  padding: 9px 11px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font: inherit;
  background: #fff;
}
input:focus, select:focus, button:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 1px;
}
.btn {
  display: inline-block;
  background: var(--petrol);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 10px 20px;
  font: 500 14px var(--body);
  cursor: pointer;
  text-decoration: none;
  margin-top: 14px;
}
.btn:hover { background: var(--petrol-deep); }
.btn[disabled] { background: #9aa6a3; cursor: not-allowed; }
.btn.ghost { background: transparent; color: var(--petrol); border: 1px solid var(--line); }

/* ---------- tables ---------- */
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { text-align: left; font-size: 12px; text-transform: uppercase;
     letter-spacing: .05em; color: var(--ink-soft); padding: 8px 10px;
     border-bottom: 1px solid var(--line); }
td { padding: 10px; border-bottom: 1px solid var(--line); }
tr:last-child td { border-bottom: none; }

.pill { display: inline-block; padding: 3px 10px; border-radius: 999px;
        font-size: 12px; font-weight: 500; }
.pill.passed, .pill.ready { background: #e2f2e9; color: var(--ok); }
.pill.invited, .pill.processing { background: var(--amber-soft); color: #8a6410; }
.pill.in_progress { background: #e3ecf7; color: #23538f; }
.pill.pending { background: #eef0ee; color: var(--ink-soft); }
.pill.failed { background: #f9e4e2; color: var(--err); }

/* ---------- flash ---------- */
.flash { border-radius: 10px; padding: 11px 16px; margin-bottom: 18px; font-size: 14px; }
.flash-ok { background: #e2f2e9; color: var(--ok); }
.flash-error { background: #f9e4e2; color: var(--err); }
.flash-info { background: var(--amber-soft); color: #7a5a10; }

/* ---------- login ---------- */
body.login-page { align-items: center; justify-content: center; background: var(--petrol); }
.login-card {
  background: var(--card);
  border-radius: 16px;
  padding: 40px 42px;
  width: 380px;
  box-shadow: 0 24px 60px rgba(0,0,0,.35);
}
.login-card .brand-lg {
  font-family: var(--display); font-weight: 700; font-size: 26px;
  color: var(--petrol); margin-bottom: 4px;
}
.login-card .brand-lg span { color: var(--amber); }
.login-card p { color: var(--ink-soft); margin-top: 0; }
.login-card .btn { width: 100%; }

/* ---------- player ---------- */
.player-shell { max-width: 760px; }
.session-kicker {
  font-size: 12px; text-transform: uppercase; letter-spacing: .08em;
  color: var(--ink-soft); margin-bottom: 4px;
}
.pace-track {
  display: flex; gap: 6px; margin: 18px 0 26px;
}
.pace-tick {
  flex: 1; height: 8px; border-radius: 999px; background: #e5e8e4;
  position: relative; overflow: hidden;
}
.pace-tick .fill {
  position: absolute; inset: 0; width: 0%;
  background: var(--amber); transition: width .5s linear;
}
.pace-tick.done .fill { width: 100%; background: var(--petrol); }
.segment-body { line-height: 1.65; font-size: 15.5px; }
.segment-body h3 { margin-top: 22px; }
.player-controls {
  display: flex; align-items: center; gap: 12px; margin-top: 28px;
  border-top: 1px solid var(--line); padding-top: 18px;
}
.dwell-note { font-size: 13px; color: var(--ink-soft); margin-left: auto; }

/* quiz */
.q-block { margin-bottom: 22px; }
.q-block .q { font-weight: 600; margin-bottom: 8px; }
.q-block label {
  display: flex; gap: 10px; align-items: flex-start; font-weight: 400;
  font-size: 14.5px; margin: 6px 0; padding: 9px 12px;
  border: 1px solid var(--line); border-radius: 8px; cursor: pointer;
}
.q-block label:hover { border-color: var(--petrol); }
.result-score { font-family: var(--display); font-size: 48px; font-weight: 700; }

@media (max-width: 760px) {
  body { flex-direction: column; }
  .sidebar { width: 100%; height: auto; position: static; flex-direction: row;
             align-items: center; gap: 12px; padding: 12px 16px; }
  .sidebar nav { flex-direction: row; flex-wrap: wrap; }
  .brand { margin-bottom: 0; }
  .sidebar-foot { border: none; padding: 0; margin-left: auto; }
  .content { padding: 20px 16px; }
}
@media (prefers-reduced-motion: reduce) {
  .pace-tick .fill { transition: none; }
}
/* quiz_gates review-queue styles — APPEND to static/css/app.css
   (or serve as a second stylesheet if you prefer) */
.review-card label{display:block;margin:12px 0 4px;font-weight:600}
.review-card textarea,.review-card input[type=text]{width:100%}
.option-row{display:flex;gap:8px;align-items:center;margin:4px 0}
.option-correct .opt-marker{color:#2e7d32;font-weight:700}
.source-span{background:#f6f7f9;border-left:3px solid #123a36;
  padding:10px 14px;margin:6px 0;font-style:italic}
.gate-failures li{color:#8a2f2f;margin:4px 0}
.pill{display:inline-block;padding:2px 10px;border-radius:999px;
  background:#e2e5ea;font-size:12px;margin-right:6px}
.pill-danger{background:#fdecea;color:#8a2f2f}
.pill-info{background:#e8f1fb;color:#1c4e80}
.review-actions{margin-top:14px;display:flex;gap:10px}
.review-head{display:flex;align-items:center;gap:6px;margin-bottom:8px;flex-wrap:wrap}
.muted{color:#6b7684;font-size:13px}
/* quiz_gates review-queue styles — APPEND to static/css/app.css
   (or serve as a second stylesheet if you prefer) */
.review-card label{display:block;margin:12px 0 4px;font-weight:600}
.review-card textarea,.review-card input[type=text]{width:100%}
.option-row{display:flex;gap:8px;align-items:center;margin:4px 0}
.option-correct .opt-marker{color:#2e7d32;font-weight:700}
.source-span{background:#f6f7f9;border-left:3px solid #123a36;
  padding:10px 14px;margin:6px 0;font-style:italic}
.gate-failures li{color:#8a2f2f;margin:4px 0}
.pill{display:inline-block;padding:2px 10px;border-radius:999px;
  background:#e2e5ea;font-size:12px;margin-right:6px}
.pill-danger{background:#fdecea;color:#8a2f2f}
.pill-info{background:#e8f1fb;color:#1c4e80}
.review-actions{margin-top:14px;display:flex;gap:10px}
.review-head{display:flex;align-items:center;gap:6px;margin-bottom:8px;flex-wrap:wrap}
.muted{color:#6b7684;font-size:13px}

/* quiz_gates review-queue styles — APPEND to static/css/app.css
   (or serve as a second stylesheet if you prefer) */
.review-card label{display:block;margin:12px 0 4px;font-weight:600}
.review-card textarea,.review-card input[type=text]{width:100%}
.option-row{display:flex;gap:8px;align-items:center;margin:4px 0}
.option-correct .opt-marker{color:#2e7d32;font-weight:700}
.source-span{background:#f6f7f9;border-left:3px solid #123a36;
  padding:10px 14px;margin:6px 0;font-style:italic}
.gate-failures li{color:#8a2f2f;margin:4px 0}
.pill{display:inline-block;padding:2px 10px;border-radius:999px;
  background:#e2e5ea;font-size:12px;margin-right:6px}
.pill-danger{background:#fdecea;color:#8a2f2f}
.pill-info{background:#e8f1fb;color:#1c4e80}
.review-actions{margin-top:14px;display:flex;gap:10px}
.review-head{display:flex;align-items:center;gap:6px;margin-bottom:8px;flex-wrap:wrap}
.muted{color:#6b7684;font-size:13px}