:root {
  --ink: #0A0808;
  --ink-2: #120E0D;
  --ink-3: #1B1413;
  --line: #2A211F;
  --line-2: #3C2F2C;
  --bone: #E8DFD0;
  --bone-dim: #BFB4A4;
  --muted: #7A6F6A;
  --crimson: #B2231F;
  --crimson-dim: #8A1816;
  --green: #5C8C5A;
  --yellow: #C9A24A;
  --orange: #D17C3F;
  --red: #B2231F;
  --serif: 'Cormorant Garamond', 'EB Garamond', Georgia, serif;
  --sans: 'Inter', system-ui, -apple-system, Segoe UI, Helvetica, Arial, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, Menlo, Consolas, monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background:
    radial-gradient(1200px 700px at 50% 8%, rgba(178,35,31,0.05), transparent 60%),
    var(--ink);
  color: var(--bone);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.55;
  min-height: 100vh;
}

a { color: var(--bone); text-decoration: underline; text-decoration-color: var(--line); text-underline-offset: 3px; }
a:hover { text-decoration-color: var(--crimson); }

.hide { display: none !important; }
.muted { color: var(--muted); }

/* -------- Header -------- */
.coach-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 28px;
  border-bottom: 1px solid var(--line);
  background: var(--ink);
}
.coach-nav {
  display: flex;
  align-items: center;
  gap: 14px;
}
.coach-nav-link {
  font-family: var(--sans);
  font-size: 14px;
  color: var(--bone-dim);
  text-decoration: none;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 6px 12px;
  cursor: pointer;
  transition: color 150ms ease, border-color 150ms ease;
}
.coach-nav-link:hover {
  color: var(--bone);
  border-color: var(--crimson);
  text-decoration-color: var(--crimson);
}
.coach-nav-logout {
  color: var(--muted);
}
.coach-header .logo {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: 0.01em;
}
.coach-header .logo small {
  color: var(--crimson);
  font-size: 14px;
  margin-left: 6px;
}
.tier-badge {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 4px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--bone-dim);
}
.tier-badge.tier-trial   { border-color: var(--muted);   color: var(--bone-dim); }
.tier-badge.tier-t1      { border-color: var(--green);   color: var(--green); }
.tier-badge.tier-t2      { border-color: var(--crimson); color: var(--crimson); }
.tier-badge.tier-t3      { border-color: var(--yellow);  color: var(--yellow); }

/* -------- Wrap -------- */
.coach-wrap {
  max-width: 820px;
  margin: 0 auto;
  padding: 48px 28px 100px;
}
.coach-wrap h1 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 38px;
  line-height: 1.1;
  margin: 0 0 6px;
}
.coach-wrap .sub {
  color: var(--bone-dim);
  font-style: italic;
  font-family: var(--serif);
  font-size: 17px;
  margin: 0 0 32px;
}

/* -------- Panels -------- */
.panel {
  border: 1px solid var(--line);
  background: var(--ink-2);
  border-radius: 6px;
  padding: 22px 26px;
  margin-bottom: 22px;
}
.panel-title {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--crimson);
  margin-bottom: 14px;
}

.quota-row {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--bone);
}
.quota-row strong { color: var(--bone); }

/* -------- Form -------- */
.field { margin-bottom: 14px; }
.field label {
  display: block;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 6px;
}
.field input,
.field textarea {
  width: 100%;
  background: var(--ink-3);
  color: var(--bone);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 10px 12px;
  font-family: var(--sans);
  font-size: 15px;
}
.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--crimson);
}
.field textarea { font-family: var(--mono); font-size: 13px; resize: vertical; }

/* -------- Buttons -------- */
.btn, button.btn, a.btn {
  display: inline-block;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 10px 20px;
  background: var(--crimson);
  color: var(--bone);
  border: 1px solid var(--crimson);
  border-radius: 4px;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}
.btn:hover, button.btn:hover, a.btn:hover {
  background: var(--crimson-dim);
  border-color: var(--crimson-dim);
}
.btn.secondary, a.btn.secondary {
  background: transparent;
  color: var(--bone);
  border-color: var(--line-2);
}
.btn.secondary:hover, a.btn.secondary:hover {
  border-color: var(--bone-dim);
  background: var(--ink-3);
}
.btn:disabled, button.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* -------- Banners -------- */
.banner {
  padding: 10px 14px;
  border-radius: 4px;
  margin: 12px 0;
  font-size: 14px;
  border-left: 3px solid var(--bone-dim);
}
.banner.warning { border-left-color: var(--yellow); background: rgba(201,162,74,0.05); }
.banner.error   { border-left-color: var(--crimson); background: rgba(178,35,31,0.08); color: var(--bone); }
.banner.success { border-left-color: var(--green); background: rgba(92,140,90,0.06); }

/* -------- Sessions list -------- */
.session-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 13px;
}
.session-row:last-child { border-bottom: none; }
.session-row .state {
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}
.session-row .state.ENDED    { color: var(--muted); }
.session-row .state.READY    { color: var(--green); }
.session-row .state.IN_PRACTICE { color: var(--yellow); }
.session-row .state.CREATED  { color: var(--bone-dim); }

/* -------- Session live view -------- */
.session-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
  margin-top: 22px;
}
@media (max-width: 760px) { .session-grid { grid-template-columns: 1fr; } }

.mic-indicator {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.mic-dot {
  width: 10px; height: 10px; border-radius: 50%; background: var(--muted);
  display: inline-block;
}
.mic-dot.GREEN  { background: var(--green); box-shadow: 0 0 8px rgba(92,140,90,0.4); }
.mic-dot.YELLOW { background: var(--yellow); box-shadow: 0 0 8px rgba(201,162,74,0.4); }
.mic-dot.RED    { background: var(--red); box-shadow: 0 0 8px rgba(178,35,31,0.5); }

.action-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 18px 0;
}

#cartesian-svg {
  width: 100%;
  height: auto;
  max-width: 400px;
  background: var(--ink-3);
  border: 1px solid var(--line);
  border-radius: 4px;
}

.history {
  margin-top: 22px;
  font-family: var(--mono);
  font-size: 12.5px;
}
.history-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
}
.history-row:last-child { border-bottom: none; }
.history-dot {
  width: 12px; height: 12px; border-radius: 50%;
  flex-shrink: 0; margin-top: 3px;
}
.history-dot.GREEN  { background: var(--green); }
.history-dot.YELLOW { background: var(--yellow); }
.history-dot.ORANGE { background: var(--orange); }
.history-dot.RED    { background: var(--red); }
.history-text { flex: 1; color: var(--bone-dim); }
.history-text .label {
  display: block;
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 2px;
}
.history-text .history-question {
  display: block;
  font-family: var(--serif);
  font-style: italic;
  font-size: 14px;
  color: var(--bone);
  margin: 2px 0 4px;
  line-height: 1.35;
}
.history-row--link {
  text-decoration: none;
  color: inherit;
  transition: background 0.12s;
  padding-left: 6px;
  padding-right: 6px;
  border-radius: 4px;
}
.history-row--link:hover {
  background: var(--ink-3);
  cursor: pointer;
}
.history-row--link:hover .history-text .label { color: var(--crimson); }

.report-frame {
  width: 100%;
  min-height: 420px;
  background: var(--bone);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 24px 28px;
  margin-top: 18px;
}

/* -------- Unsupported browser splash -------- */
.unsupported {
  max-width: 520px;
  margin: 80px auto;
  padding: 32px 28px;
  border: 1px solid var(--crimson);
  background: rgba(178,35,31,0.04);
  border-radius: 6px;
  text-align: center;
}
.unsupported h1 {
  font-family: var(--serif);
  font-size: 28px;
  margin: 0 0 12px;
  color: var(--crimson);
}

/* ==================== Cofre (VOX-COACH-C) ==================== */

.breadcrumb {
  font-family: var(--mono);
  font-size: 13px;
  margin-bottom: 12px;
}
.breadcrumb a { color: var(--muted); text-decoration: none; }
.breadcrumb a:hover { color: var(--ink); }

.tier-t2 { background: rgba(58,122,58,0.16); color: #2d5a2d; }
.tier-t3 { background: rgba(195,58,61,0.16); color: var(--crimson); }

/* Client cards grid */
.client-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 12px;
}
.client-card {
  display: block;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: #fafafa;
  text-decoration: none;
  color: var(--ink);
  transition: border-color 0.15s, background 0.15s;
}
.client-card:hover {
  border-color: var(--crimson);
  background: #fff;
}
.client-card h3 {
  margin: 0 0 4px;
  font-family: var(--serif);
  font-size: 17px;
  color: var(--ink);
}
.client-card .client-process {
  margin: 0 0 6px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
}
.client-card .client-meta {
  margin: 0;
  font-size: 12px;
  color: var(--muted);
}

/* Tabs */
.tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--line);
  margin: 24px 0 16px;
}
.tab {
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  padding: 10px 18px;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--muted);
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
}
.tab:hover { color: var(--ink); }
.tab.active {
  color: var(--ink);
  border-bottom-color: var(--crimson);
}
.tab-panel { margin-top: 12px; }

/* Sessions table inside profile */
.sessions-table, .diff-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.sessions-table th, .diff-table th {
  text-align: left;
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  color: var(--crimson);
  border-bottom: 1px solid var(--line);
  padding: 8px 10px;
}
.sessions-table td, .diff-table td {
  padding: 8px 10px;
  border-bottom: 1px solid #f0e8d8;
  vertical-align: top;
}

.diff-table .change-stable       { color: #555; }
.diff-table .change-improved     { color: #2d5a2d; font-weight: 600; }
.diff-table .change-deteriorated { color: var(--crimson); font-weight: 600; }
.diff-table .change-unknown      { color: #888; font-style: italic; }

.diff-unmatched {
  margin-top: 16px;
}
.diff-unmatched h4 {
  font-family: var(--mono);
  font-size: 12px;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 6px;
}
.diff-unmatched ul {
  margin: 0;
  padding-left: 18px;
}

/* Trajectory SVG */
.trajectory-svg {
  width: 100%;
  max-width: 480px;
  height: auto;
  display: block;
  margin: 12px auto;
  background: #fafafa;
  border: 1px solid var(--line);
  border-radius: 4px;
}

/* Brief iframe */
.brief-iframe {
  width: 100%;
  height: 600px;
  border: 1px solid var(--line);
  border-radius: 4px;
  margin: 16px 0;
  background: #fff;
}

/* Panel variants */
.panel.danger {
  border-color: var(--crimson);
  background: rgba(195,58,61,0.04);
}
.btn.warning {
  background: var(--crimson);
  color: #fff;
}

/* CTA Cofre on dashboard */
.cofre-cta {
  display: inline-block;
  padding: 8px 16px;
  background: rgba(58,122,58,0.12);
  border: 1px solid #3a7a3a;
  border-radius: 4px;
  font-family: var(--mono);
  font-size: 13px;
  color: #2d5a2d;
  text-decoration: none;
}
.cofre-cta:hover { background: rgba(58,122,58,0.2); }

/* Orphan sessions inbox (cofre.html) — sessions without client_id link. */
.orphan-list { display: flex; flex-direction: column; gap: 12px; }
.orphan-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 12px 16px;
  background: rgba(58,122,58,0.04);
  border: 1px solid var(--line);
  border-radius: 4px;
  font-family: var(--mono);
  font-size: 13px;
}
.orphan-row .orphan-name {
  color: var(--bone);
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.orphan-row .orphan-date { font-size: 11px; }
.orphan-row select {
  background: var(--ink-3);
  color: var(--bone);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 6px 10px;
  font-family: var(--mono);
  font-size: 12px;
}
.orphan-row button {
  background: var(--ink-3);
  color: var(--bone);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 6px 14px;
  font-family: var(--mono);
  font-size: 12px;
  cursor: pointer;
}
.orphan-row button:hover { border-color: var(--crimson); color: var(--crimson); }
.orphan-row button:disabled { opacity: 0.5; cursor: wait; }
@media (max-width: 760px) {
  .orphan-row {
    grid-template-columns: 1fr;
    gap: 6px;
  }
}