/* Team Lead Ready: Coaching Practice Lab — styles */
:root {
  --ink: #14181d;
  --ink-soft: #3c4652;
  --paper: #faf7f2;
  --card: #ffffff;
  --line: #ddd5c7;
  --blue: #14467c;
  --blue-dark: #0d3359;
  --red: #b3271e;
  --red-dark: #8f1d16;
  --tan: #d9c7a7;
  --tan-soft: #f0e7d5;
  --brown: #6b4f2e;
  --good: #1e7a34;
  --mid: #b07d10;
  --low: #b3271e;
  --radius: 12px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, Helvetica, Arial, sans-serif;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.55;
}

.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap;
}

/* ---------- Header ---------- */
.site-header {
  background: var(--ink);
  color: #fff;
  border-bottom: 4px solid var(--red);
}
.header-inner {
  max-width: 1080px; margin: 0 auto; padding: 14px 20px;
  display: flex; flex-wrap: wrap; gap: 12px;
  align-items: center; justify-content: space-between;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  background: var(--red); color: #fff; font-weight: 800;
  padding: 6px 10px; border-radius: 8px; letter-spacing: 1px;
}
.brand-text { font-weight: 700; font-size: 1.1rem; }
.brand-sub { display: block; font-weight: 400; font-size: .82rem; color: var(--tan); }
.main-nav { display: flex; flex-wrap: wrap; gap: 6px; }
.nav-btn {
  background: transparent; color: #e8e2d5; border: 1px solid #4a5462;
  padding: 8px 14px; border-radius: 999px; cursor: pointer; font-size: .95rem;
}
.nav-btn:hover { border-color: var(--tan); color: #fff; }
.nav-btn.is-active { background: var(--blue); border-color: var(--blue); color: #fff; }

main { max-width: 1080px; margin: 0 auto; padding: 28px 20px 48px; }
.view[hidden] { display: none; }

/* ---------- Hero & sections ---------- */
.hero {
  background: var(--card); border: 1px solid var(--line); border-left: 6px solid var(--blue);
  border-radius: var(--radius); padding: 26px 28px; margin-bottom: 28px;
}
.hero h1 { margin: 0 0 10px; font-size: 1.9rem; line-height: 1.2; }
.hero-lede { margin: 0 0 8px; font-size: 1.05rem; color: var(--ink-soft); max-width: 62ch; }
.hero-note { margin: 0; font-size: .9rem; color: var(--brown); font-style: italic; }
.section-title { font-size: 1.35rem; margin: 26px 0 12px; }
.section-lede { color: var(--ink-soft); max-width: 68ch; }

/* ---------- Scenario grid ---------- */
.scenario-grid {
  display: grid; gap: 16px;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
}
.scenario-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 20px; display: flex; flex-direction: column; gap: 8px;
}
.scenario-card h3 { margin: 0; font-size: 1.15rem; }
.persona-line { margin: 0; color: var(--ink-soft); font-size: .95rem; }
.backstory { margin: 0; font-size: .95rem; flex: 1; }
.badge {
  display: inline-block; font-size: .75rem; font-weight: 700; letter-spacing: .4px;
  text-transform: uppercase; padding: 3px 9px; border-radius: 999px; width: fit-content;
}
.badge-starter { background: #e2f2e6; color: var(--good); }
.badge-moderate { background: #fdf3d7; color: #7c5c06; }
.badge-advanced { background: #fbe3e1; color: var(--red-dark); }

/* ---------- Buttons ---------- */
.btn {
  font: inherit; cursor: pointer; border-radius: 8px; border: 1px solid transparent;
  padding: 10px 18px; font-weight: 600;
}
.btn-primary { background: var(--red); color: #fff; }
.btn-primary:hover { background: var(--red-dark); }
.btn-secondary { background: #fff; border-color: var(--ink-soft); color: var(--ink); }
.btn-secondary:hover { background: var(--tan-soft); }
.btn-danger { background: #fff; border-color: var(--red); color: var(--red); margin-top: 16px; }
.btn-danger:hover { background: #fbe3e1; }
.link-btn {
  background: none; border: none; color: var(--blue); cursor: pointer;
  font: inherit; padding: 0; margin-bottom: 12px; font-weight: 600;
}
.link-btn:hover { text-decoration: underline; }

/* ---------- Chat ---------- */
.chat-brief {
  background: var(--tan-soft); border: 1px solid var(--tan); border-radius: var(--radius);
  padding: 16px 20px; margin-bottom: 16px;
}
.chat-brief h3 { margin: 0 0 4px; }
.chat-brief p { margin: 4px 0; }
.chat-log {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px; min-height: 320px; max-height: 55vh; overflow-y: auto;
  display: flex; flex-direction: column; gap: 12px;
}
.msg { max-width: 78%; padding: 10px 14px; border-radius: 14px; }
.msg .msg-who { display: block; font-size: .72rem; font-weight: 700; letter-spacing: .5px; text-transform: uppercase; margin-bottom: 3px; opacity: .75; }
.msg-agent { background: #e9eef5; border: 1px solid #c9d6e6; align-self: flex-start; border-bottom-left-radius: 4px; }
.msg-user { background: var(--blue); color: #fff; align-self: flex-end; border-bottom-right-radius: 4px; }
.msg-system { align-self: center; background: none; color: var(--ink-soft); font-style: italic; font-size: .9rem; text-align: center; }
.chat-controls { margin-top: 14px; }
#chat-form { display: flex; gap: 10px; align-items: flex-end; }
#chat-input {
  flex: 1; font: inherit; padding: 10px 12px; border: 1px solid var(--ink-soft);
  border-radius: 8px; resize: vertical; background: #fff;
}
.chat-actions { display: flex; justify-content: space-between; align-items: center; margin-top: 10px; gap: 10px; flex-wrap: wrap; }
.turn-counter { color: var(--ink-soft); font-size: .9rem; }

/* ---------- Debrief ---------- */
.debrief-total {
  background: var(--ink); color: #fff; border-radius: var(--radius);
  padding: 22px 26px; margin-bottom: 18px;
}
.debrief-total .total-score { font-size: 2.4rem; font-weight: 800; }
.debrief-total .total-band { font-size: 1.15rem; color: var(--tan); font-weight: 600; }
.debrief-total p { margin: 6px 0 0; color: #d8d2c4; }
.score-row {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 16px 20px; margin-bottom: 12px;
}
.score-row-head { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; }
.score-row h3 { margin: 0; font-size: 1.05rem; }
.score-points { font-weight: 800; white-space: nowrap; }
.score-bar { height: 10px; background: #ece5d3; border-radius: 999px; margin: 10px 0; overflow: hidden; }
.score-fill { height: 100%; border-radius: 999px; }
.fill-good { background: var(--good); }
.fill-mid { background: var(--mid); }
.fill-low { background: var(--low); }
.score-row p { margin: 0; color: var(--ink-soft); }
.rewrite-card {
  background: var(--card); border: 1px solid var(--line); border-left: 6px solid var(--red);
  border-radius: var(--radius); padding: 16px 20px; margin-bottom: 12px;
}
.rewrite-card h4 { margin: 0 0 8px; }
.rewrite-you { margin: 0 0 8px; color: var(--ink-soft); font-style: italic; }
.rewrite-instead { margin: 0; font-weight: 600; }
.debrief-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }

/* ---------- Library ---------- */
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 20px 24px; margin-bottom: 16px;
}
.card h3 { margin-top: 0; }
.prose p { max-width: 72ch; }
.rubric-num {
  display: inline-block; background: var(--blue); color: #fff; font-weight: 800;
  width: 28px; height: 28px; line-height: 28px; text-align: center; border-radius: 50%;
  margin-right: 8px;
}

/* ---------- History ---------- */
.history-item {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 16px 20px; margin-bottom: 12px;
}
.history-item-head { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; align-items: baseline; }
.history-item h3 { margin: 0; font-size: 1.05rem; }
.history-meta { color: var(--ink-soft); font-size: .9rem; }
.history-scores { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.score-chip {
  background: var(--tan-soft); border: 1px solid var(--tan); border-radius: 999px;
  padding: 3px 10px; font-size: .85rem;
}
.empty-note { color: var(--ink-soft); font-style: italic; }

/* ---------- Feedback ---------- */
.field { margin-bottom: 14px; }
.field label { display: block; font-weight: 600; margin-bottom: 5px; }
.field input, .field select, .field textarea {
  width: 100%; font: inherit; padding: 10px 12px;
  border: 1px solid var(--ink-soft); border-radius: 8px; background: #fff;
}
.feedback-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.form-note { color: var(--good); font-weight: 600; min-height: 1.2em; }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--line); padding: 20px; text-align: center;
  color: var(--ink-soft); font-size: .9rem;
}

@media (max-width: 640px) {
  .hero h1 { font-size: 1.5rem; }
  .msg { max-width: 92%; }
  #chat-form { flex-direction: column; align-items: stretch; }
  .header-inner { flex-direction: column; align-items: flex-start; }
}