/*
 * Eurorack Modules Plugin — Rack View (§10)
 * CSS extracted from rack-view-mockup.html.
 * Tokens defined in erm-tokens.css; rack case colours use fixed values per §12.3.
 */

/* ============================================================
   PAGE LAYOUT
   ============================================================ */
.erm-rack-page {
  max-width: 1000px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 4rem;
}

/* ============================================================
   PAGE HEADER
   ============================================================ */
.erm-rack-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.erm-rack-title {
  font-size: clamp(20px, 3vw, 28px);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--erm-color-text-primary);
  margin-bottom: 0.2rem;
}

.erm-rack-subtitle {
  font-size: 13px;
  color: var(--erm-color-text-secondary);
}

/* ============================================================
   CONFIGURE CASE BUTTON — §10.3
   ============================================================ */
.erm-configure-btn {
  font-size: 13px;
  color: var(--erm-color-text-secondary);
  background: var(--erm-color-surface);
  border: 1px solid var(--erm-color-border);
  border-radius: 6px;
  padding: 7px 14px;
  cursor: pointer;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: background 0.15s, border-color 0.15s;
}

.erm-configure-btn:hover {
  background: var(--erm-color-accent-subtle);
  border-color: var(--erm-color-border-strong);
}

/* ============================================================
   CONFIGURE PANEL
   ============================================================ */
.erm-configure-panel {
  background: var(--erm-color-surface);
  border: 1px solid var(--erm-color-border);
  border-radius: 8px;
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.5rem;
  display: none;
}

.erm-configure-panel.open { display: block; }

.erm-configure-panel h3 {
  font-size: 13px;
  font-weight: 600;
  color: var(--erm-color-text-primary);
  margin-bottom: 1rem;
}

.erm-configure-fields {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1rem;
}

@media (max-width: 540px) {
  .erm-configure-fields { grid-template-columns: 1fr; }
}

.erm-configure-field label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  color: var(--erm-color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.erm-configure-field input {
  width: 100%;
  padding: 7px 10px;
  font-size: 13px;
  background: var(--erm-color-surface-raised);
  border: 1px solid var(--erm-color-border-strong);
  border-radius: 6px;
  color: var(--erm-color-text-primary);
}

.erm-configure-field input:focus {
  outline: 2px solid var(--erm-color-accent-bg);
  outline-offset: 1px;
}

.erm-configure-save {
  font-size: 13px;
  background: var(--erm-color-accent-bg);
  color: var(--erm-color-accent-text);
  border: none;
  border-radius: 6px;
  padding: 7px 16px;
  cursor: pointer;
}

.erm-configure-save:hover { opacity: 0.9; }

.erm-configure-note {
  font-size: 11px;
  color: var(--erm-color-text-muted);
  margin-top: 8px;
}

/* ============================================================
   STATS ROW — §10.2
   ============================================================ */
.erm-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-bottom: 1.5rem;
}

@media (max-width: 480px) {
  .erm-stats-grid { grid-template-columns: repeat(2, 1fr); }
}

.erm-stat-card {
  background: var(--erm-color-surface);
  border-radius: 8px;
  padding: 0.75rem 1rem;
}

.erm-stat-value {
  font-size: 22px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--erm-color-text-primary);
  line-height: 1.1;
}

.erm-stat-unit {
  font-size: 12px;
  color: var(--erm-color-text-muted);
}

.erm-stat-label {
  font-size: 12px;
  color: var(--erm-color-text-secondary);
  margin-top: 3px;
}

/* ============================================================
   LEGEND
   ============================================================ */
.erm-legend {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}

.erm-legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--erm-color-text-secondary);
}

.erm-legend-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  flex-shrink: 0;
}

/* ============================================================
   RACK CASE — §10.2, §12.3
   Fixed dark colours — intentionally NOT theme tokens.
   ============================================================ */
.erm-case {
  background: var(--erm-rack-bg);
  border-radius: 8px;
  padding: 14px 16px;
  margin-bottom: 2rem;
}

.erm-row-label {
  font-size: 10px;
  color: #666;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  margin-bottom: 5px;
  padding-left: 2px;
}

.erm-row {
  display: flex;
  align-items: stretch;
  gap: 2px;
  /* Eurorack 3U: 128.5 mm tall, 1 HP = 5.08 mm wide.
     --erm-row-aspect is set inline by rack-view.php as hp_per_row / 25.295 */
  aspect-ratio: var(--erm-row-aspect, 3.3208);
  background: var(--erm-rack-row-bg);
  border-radius: 3px;
  padding: 4px;
  overflow: hidden;
  margin-bottom: 10px;
}

.erm-row:last-of-type { margin-bottom: 0; }

/* ============================================================
   MODULE SLOTS
   ============================================================ */
.erm-slot {
  flex-shrink: 0;
  height: 100%;
  border-radius: 2px;
  overflow: hidden;
  position: relative;
  cursor: pointer;
  background-size: cover;
  background-position: center;
}

.erm-slot:hover .erm-slot-overlay { opacity: 1; }
.erm-slot:focus { outline: 2px solid var(--erm-color-accent-bg); outline-offset: 1px; }

/* Fallback tile (no panel photo) */
.erm-slot-tile {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  padding: 6px 3px 5px;
}

.erm-slot-tile-name {
  font-size: 7px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.85);
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  line-height: 1.3;
  word-break: break-word;
  hyphens: auto;
}

.erm-slot-tile-knobs {
  display: flex;
  gap: 3px;
  justify-content: center;
  flex-wrap: wrap;
}

.erm-slot-tile-knob {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: 1.5px solid rgba(255, 255, 255, 0.35);
  background: rgba(0, 0, 0, 0.4);
}

.erm-slot-tile-jacks {
  display: flex;
  gap: 2px;
  justify-content: center;
  flex-wrap: wrap;
}

.erm-slot-tile-jack {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.08);
}

.erm-slot-tile-hp {
  font-size: 6px;
  color: rgba(255, 255, 255, 0.3);
  text-align: center;
  letter-spacing: 0.04em;
}

/* Hover overlay */
.erm-slot-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  opacity: 0;
  transition: opacity 0.15s;
  padding: 6px;
  text-align: center;
}

.erm-slot-overlay-name {
  font-size: 9px;
  font-weight: 600;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  line-height: 1.3;
}

.erm-slot-overlay-sub {
  font-size: 8px;
  color: rgba(255, 255, 255, 0.6);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.erm-slot-overlay-link {
  font-size: 8px;
  color: rgba(255, 255, 255, 0.45);
  margin-top: 2px;
  text-decoration: none;
}

/* Status dot — §12.4, fixed functional colours */
.erm-slot-dot {
  position: absolute;
  bottom: 4px;
  right: 4px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
}

.erm-dot-built   { background: var(--erm-dot-built); }
.erm-dot-dev     { background: var(--erm-dot-dev); }
.erm-dot-concept { background: var(--erm-dot-concept); }

/* Quantity badge */
.erm-slot-qty {
  position: absolute;
  top: 3px;
  right: 3px;
  background: rgba(255, 255, 255, 0.18);
  border-radius: 6px;
  font-size: 7px;
  color: rgba(255, 255, 255, 0.85);
  padding: 1px 4px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

/* Empty HP slot */
.erm-slot-empty {
  flex-shrink: 0;
  height: 100%;
  border-radius: 2px;
  background: var(--erm-rack-empty-bg);
  border: 1px dashed var(--erm-rack-empty-border);
  display: flex;
  align-items: center;
  justify-content: center;
}

.erm-slot-empty span {
  font-size: 8px;
  color: #333;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  text-align: center;
  padding: 2px;
}

/* ============================================================
   MODULE INDEX TABLE — §10.2
   ============================================================ */
.erm-index {
  border: 1px solid var(--erm-color-border);
  border-radius: 8px;
  overflow: hidden;
}

.erm-index-row {
  display: grid;
  grid-template-columns: 44px 1fr 60px 80px 70px 90px;
  gap: 0;
  padding: 9px 16px;
  border-bottom: 1px solid var(--erm-color-border);
  align-items: center;
}

@media (max-width: 640px) {
  .erm-index-row { grid-template-columns: 44px 1fr 50px 60px; }
  .erm-index-hide-mobile { display: none; }
}

.erm-index-row:last-child { border-bottom: none; }

.erm-index-header {
  background: var(--erm-color-surface);
  border-bottom: 1px solid var(--erm-color-border) !important;
}

.erm-index-header span {
  font-size: 11px;
  font-weight: 600;
  color: var(--erm-color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.erm-index-thumb {
  width: 30px;
  height: 44px;
  border-radius: 3px;
  overflow: hidden;
  background: var(--erm-color-surface);
  border: 1px solid var(--erm-color-border);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.erm-index-thumb img { width: 100%; height: 100%; object-fit: cover; }
.erm-index-thumb-placeholder { font-size: 7px; color: var(--erm-color-text-muted); }

.erm-index-name {
  font-size: 13px;
  font-weight: 500;
  color: var(--erm-color-text-primary);
  text-decoration: none;
  line-height: 1.3;
  display: block;
}

.erm-index-name:hover { color: var(--erm-color-accent-bg); }

.erm-index-type-sub {
  font-size: 11px;
  color: var(--erm-color-text-muted);
  margin-top: 1px;
}

.erm-index-cell {
  font-size: 13px;
  color: var(--erm-color-text-secondary);
  font-variant-numeric: tabular-nums;
}

/* ============================================================
   BADGES (also used in index table)
   ============================================================ */
.erm-badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 10px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.erm-badge-built   { background: var(--erm-badge-built-bg);   color: var(--erm-badge-built-text); }
.erm-badge-dev     { background: var(--erm-badge-dev-bg);     color: var(--erm-badge-dev-text); }
.erm-badge-concept { background: var(--erm-badge-concept-bg); color: var(--erm-badge-concept-text); }