/* ============================================================
   Surface-specific layout (additive on top of components.css)
   ============================================================ */

/* ---------- Dashboard ---------- */
.surface-dashboard {
  display: grid;
  gap: var(--space-7);
}

.surface-dashboard .hero__headline-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-7);
  align-items: start;
}

.surface-dashboard .hero__ring-slot {
  display: flex;
  align-items: center;
  gap: var(--space-5);
}

/* Ring row: ring + text side-by-side inside a bento card */
.surface-dashboard .ring-row {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-6);
  align-items: center;
}

/* Skill breakdown: 2×2 grid of compact rings with captions */
.surface-dashboard .skill-mix {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5) var(--space-7);
}

.surface-dashboard .skill-mix__cell {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: var(--space-4);
}

.surface-dashboard .skill-mix__caption {
  display: grid;
  gap: 2px;
}
.surface-dashboard .skill-mix__caption strong {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  color: var(--text-primary);
  font-weight: var(--font-weight-bold);
}
.surface-dashboard .skill-mix__caption span {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  font-variant-numeric: tabular-nums;
}

/* Hero headline row collapses on narrow screens so ring stacks below */
@media (max-width: 880px) {
  .surface-dashboard .hero__headline-row {
    grid-template-columns: 1fr;
  }
}

/* ---------- Post-Lesson ---------- */
.surface-post-lesson {
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: var(--space-10);
  align-items: start;
}
@media (max-width: 960px) {
  .surface-post-lesson { grid-template-columns: 1fr; }
}

.lesson-replay {
  background: var(--brand-purple-deep);
  color: var(--text-on-brand);
  border-radius: var(--radius-xl);
  padding: var(--space-10);
  display: grid;
  gap: var(--space-6);
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
}

.lesson-replay::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(400px 200px at 20% 30%, color-mix(in oklab, var(--brand-yellow) 30%, transparent), transparent 60%),
    radial-gradient(500px 250px at 90% 80%, color-mix(in oklab, var(--data-lavender) 40%, transparent), transparent 60%);
  pointer-events: none;
}

.lesson-replay__meta {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--brand-yellow);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  position: relative;
}

.lesson-replay__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  margin: 0;
  position: relative;
  max-width: 24ch;
  line-height: var(--leading-tight);
}

.lesson-replay__controls {
  margin-top: auto;
  display: flex;
  align-items: center;
  gap: var(--space-5);
  position: relative;
}

.lesson-replay__play {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--brand-yellow);
  color: var(--brand-purple-deep);
  display: inline-grid;
  place-items: center;
  font-size: 22px;
  transition: transform var(--duration-fast) var(--ease-standard);
}
.lesson-replay__play:hover { transform: scale(1.05); }

.lesson-replay__progress {
  flex: 1;
  height: 4px;
  background: color-mix(in oklab, var(--brand-yellow) 20%, transparent);
  border-radius: var(--radius-pill);
  overflow: hidden;
}
.lesson-replay__progress::after {
  content: "";
  display: block;
  height: 100%;
  width: 32%;
  background: var(--brand-yellow);
  border-radius: var(--radius-pill);
}

.lesson-replay__time {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-variant-numeric: tabular-nums;
}

.feedback-block {
  display: grid;
  gap: var(--space-5);
}

.feedback-row {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-5);
  padding: var(--space-5);
  border-left: 3px solid var(--_color, var(--brand-purple-cta));
  background: var(--_bg, var(--sds-bg-brand-tertiary));
  border-radius: var(--radius-sm);
}

.feedback-row--strength {
  --_color: var(--state-positive-accent);
  --_bg: var(--sds-bg-positive-tertiary);
}
.feedback-row--area {
  --_color: var(--state-attention-fg);
  --_bg: var(--state-attention-bg);
}
.feedback-row--next {
  --_color: var(--brand-purple-cta);
  --_bg: var(--sds-bg-brand-tertiary);
}

.feedback-row__icon {
  font-size: 22px;
  line-height: 1;
}

.feedback-row__label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--text-tertiary);
  margin: 0 0 var(--space-2);
}

.feedback-row__text {
  margin: 0;
  font-size: var(--text-md);
  line-height: var(--leading-relaxed);
  color: var(--text-primary);
}

.parent-note {
  background: var(--surface-muted);
  padding: var(--space-6);
  border-radius: var(--radius-md);
  display: grid;
  gap: var(--space-4);
}
.parent-note__label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--text-tertiary);
}
.parent-note__field {
  background: var(--surface-default);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  color: var(--text-tertiary);
  font-style: italic;
}

.parent-note__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-4);
}

.post-lesson__main {
  display: grid;
  gap: var(--space-7);
  align-content: start;
}

.post-lesson__aside {
  display: grid;
  gap: var(--space-6);
  align-content: start;
}

.post-lesson__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

/* ---------- Plateau ---------- */
.surface-plateau {
  display: grid;
  gap: var(--space-10);
}

.plateau-hero {
  padding: var(--space-10);
  border-radius: var(--radius-2xl);
  background:
    radial-gradient(800px 500px at 90% 10%, var(--brand-yellow-tint), transparent 55%),
    linear-gradient(135deg, #fef9ec, #f7efe0);
  border: 1px solid color-mix(in oklab, var(--brand-yellow) 35%, transparent);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-10);
  align-items: start;
}
@media (max-width: 880px) { .plateau-hero { grid-template-columns: 1fr; } }

.plateau-hero__content {
  display: grid;
  gap: var(--space-6);
  max-width: 52ch;
}

.plateau-hero__title {
  font-family: var(--font-display);
  font-size: clamp(28px, 3vw, 40px);
  line-height: var(--leading-tight);
  margin: 0;
  color: var(--brand-purple-deep);
  letter-spacing: var(--tracking-tight);
  font-weight: var(--font-weight-bold);
}

.plateau-hero__body {
  font-size: var(--text-lg);
  line-height: var(--leading-relaxed);
  color: var(--text-primary);
  margin: 0;
}

.plateau-chart {
  display: grid;
  gap: var(--space-4);
  min-width: 320px;
}

.plateau-chart__title {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
}

.plateau-chart__graph {
  position: relative;
  height: 200px;
  background: var(--surface-default);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  border: 1px solid var(--border-default);
}

.plateau-chart__legend {
  display: flex;
  gap: var(--space-5);
  font-size: var(--text-xs);
  color: var(--text-secondary);
  flex-wrap: wrap;
}

.plateau-chart__legend-item {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.plateau-protocol-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-7);
}
@media (max-width: 880px) { .plateau-protocol-steps { grid-template-columns: 1fr; } }

.protocol-step {
  display: grid;
  gap: var(--space-4);
  padding: var(--space-6);
  background: var(--surface-default);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  position: relative;
}

.protocol-step__number {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  color: var(--brand-purple-cta);
  font-weight: var(--font-weight-bold);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.protocol-step__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--text-primary);
  margin: 0;
  font-weight: var(--font-weight-bold);
}
.protocol-step__body {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
  margin: 0;
}

/* ---------- Digest (3-channel) ---------- */
.surface-digest {
  display: grid;
  gap: var(--space-10);
}

/* ---------- Roadmap ---------- */
.surface-roadmap {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: var(--space-10);
  align-items: start;
}
@media (max-width: 960px) { .surface-roadmap { grid-template-columns: 1fr; } }

.roadmap-rail {
  position: sticky;
  top: 140px;
  display: grid;
  gap: var(--space-6);
}

.alignment-card {
  padding: var(--space-6);
  background: var(--sds-bg-brand-tertiary);
  border-radius: var(--radius-lg);
  display: grid;
  gap: var(--space-4);
}

.alignment-card__title {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--sds-text-brand-default);
  margin: 0;
}

.alignment-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-4);
  align-items: baseline;
  padding: var(--space-3) 0;
  border-bottom: 1px dashed color-mix(in oklab, var(--brand-purple-cta) 20%, transparent);
  font-size: var(--text-sm);
}
.alignment-row:last-child { border-bottom: none; }
.alignment-row strong { color: var(--text-primary); }
.alignment-row span { color: var(--sds-text-brand-default); font-weight: var(--font-weight-bold); font-variant-numeric: tabular-nums; }