/* ==========================================================================
   Root Harmonic Studio — Column 2 Showcase Header, Token Strip & Tonal Matrix
   Standards: Strict Cascade Specificity | Zero Margin for Component Spacing
   ========================================================================== */

.showcase-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--bg-surface-border);
  border-radius: var(--radius-lg);
  padding: 22px 26px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  box-shadow: var(--shadow-lg);
}

.preview-top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  border-bottom: 1px solid var(--bg-surface-border);
  padding-bottom: 12px;
}

.preview-title-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
}

.preview-title-wrap .material-symbols-outlined {
  color: var(--accent-emerald-text);
  font-size: 22px;
}

.preview-title-wrap h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-main);
}

.preview-title-wrap p {
  font-size: 0.74rem;
  color: var(--text-muted);
}

.preview-active-pill {
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.35);
  color: var(--accent-emerald-text);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: var(--radius-pill);
}

/* Active Swatch Token Strip (Supports 5 or 6 tokens) */
.preview-tokens-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
  gap: 8px;
}

.preview-token-chip {
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 6px;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  border: 1px solid var(--swatch-border);
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
  user-select: none;
}

.preview-token-chip:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-hover);
}

.preview-token-chip.active-focus-token {
  outline: 2px solid #FFFFFF;
  box-shadow: 0 0 0 2px #0E1116, var(--shadow-md);
  outline-offset: -2px;
}

.token-chip-top {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.preview-token-chip .token-role {
  font-size: 0.62rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  opacity: 0.9;
}

.preview-token-chip .token-hex {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 800;
}

.preview-token-chip.light-token-content .token-role,
.preview-token-chip.light-token-content .token-hex {
  color: #0E1116;
}

.preview-token-chip.dark-token-content .token-role,
.preview-token-chip.dark-token-content .token-hex {
  color: #FFFFFF;
}

.chip-ratio-pill {
  font-size: 0.58rem;
  font-family: var(--font-mono);
  font-weight: 800;
  letter-spacing: 0.04em;
  padding: 2px 6px;
  border-radius: var(--radius-pill);
  text-transform: uppercase;
  border: 1px solid transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  backdrop-filter: blur(4px);
  transition: all 0.15s ease;
}

.chip-ratio-pill.role-canvas {
  background: #0E1116;
  color: #34D399;
  border-color: #34D399;
  box-shadow: 0 0 6px rgba(52, 211, 153, 0.35);
}

.chip-ratio-pill.role-structure {
  background: #0E1116;
  color: #60A5FA;
  border-color: #60A5FA;
}

.chip-ratio-pill.role-root {
  background: #FFFFFF;
  color: #0E1116;
  border-color: #0E1116;
  font-weight: 900;
}

.chip-ratio-pill.role-accent {
  background: rgba(0, 0, 0, 0.3);
  color: rgba(255, 255, 255, 0.85);
  border-color: rgba(255, 255, 255, 0.25);
}

.preview-token-chip.light-token-content .chip-ratio-pill.role-accent {
  background: rgba(0, 0, 0, 0.09);
  color: #0E1116;
  border-color: rgba(0, 0, 0, 0.18);
}

.preview-token-chip.dark-token-content .chip-ratio-pill.role-accent {
  background: rgba(255, 255, 255, 0.18);
  color: #FFFFFF;
  border-color: rgba(255, 255, 255, 0.28);
}

/* Harmonious Tonal Matrix Section (Showcase - Original on Left & Tints Aside) */
.tonal-matrix-section {
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--bg-surface-border);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  box-shadow: var(--shadow-sm);
}

.tonal-matrix-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  user-select: none;
}

.tonal-matrix-title-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
}

.tonal-matrix-title-wrap .material-symbols-outlined {
  font-size: 19px;
  color: var(--accent-blue-text);
}

.tonal-matrix-title-group {
  display: flex;
  align-items: baseline;
  gap: 8px;
  flex-wrap: wrap;
}

.tonal-matrix-title {
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-main);
}

.tonal-matrix-hint {
  font-size: 0.68rem;
  color: var(--text-dim);
}

.tonal-toggle-btn {
  background: transparent;
  border: 1px solid var(--bg-surface-border);
  color: var(--text-muted);
  width: 24px;
  height: 24px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.15s ease;
}

.tonal-toggle-btn:hover {
  background-color: var(--bg-surface-border);
  color: var(--text-main);
}

.tonal-matrix-body {
  display: flex;
  flex-direction: column;
  gap: 8px;
  overflow: hidden;
  max-height: 800px;
  opacity: 1;
  transition: max-height 0.35s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.25s ease;
}

.tonal-matrix-body.is-collapsed {
  max-height: 0;
  opacity: 0;
  padding: 0;
}

.showcase-tonal-row {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 10px;
  align-items: stretch;
}

.showcase-tonal-orig {
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 4px;
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.14);
  border: 2px solid var(--swatch-border);
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  user-select: none;
}

.showcase-tonal-orig:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.orig-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 4px;
}

.orig-badge-tag {
  font-size: 0.54rem;
  font-weight: 900;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 1px 4px;
  border-radius: 2px;
  background: rgba(0, 0, 0, 0.2);
  color: inherit;
  border: 1px solid currentColor;
}

.orig-role-name {
  font-size: 0.64rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  opacity: 0.9;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.orig-hex-code {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 800;
  line-height: 1;
}

.showcase-tonal-aside {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 6px;
}

.showcase-variant-chip {
  border-radius: var(--radius-sm);
  padding: 6px 8px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 3px;
  font-family: var(--font-mono);
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.12);
  border: 1px solid var(--swatch-border);
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  user-select: none;
}

.showcase-variant-chip:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: var(--shadow-md);
  z-index: 3;
}

.variant-chip-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2px;
}

.variant-step {
  font-size: 0.56rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  opacity: 0.85;
}

.variant-role {
  font-size: 0.52rem;
  opacity: 0.75;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.variant-hex {
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  line-height: 1;
}