/* ==========================================================
   symbol-explorer.css
   Shared styles for UltraTextGen symbol / emoji explorer pages.
   Covers: symbol rows, emoji buttons, twemoji sizing, region
   filters, grid sections, format selector, preview, and
   copy-collection button.
   ========================================================== */

/* ---- Symbol / flag grid ---- */
.flag-rows {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px 8px;
  margin: 0.75rem 0;
}

@media (max-width: 1024px) {
  .flag-rows { grid-template-columns: repeat(4, 1fr); }
}

@media (max-width: 600px) {
  .flag-rows { grid-template-columns: repeat(2, 1fr); }
}

.flag-row {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 4px;
  padding: 10px 4px;
  border-radius: 8px;
  transition: background 0.15s ease;
}

.flag-row:hover {
  background: rgba(0, 0, 0, 0.03);
}

/* ---- Emoji button (clickable tile, no card chrome) ---- */
.flag-emoji {
  font-family: "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji",
               "Segoe UI Symbol", system-ui, -apple-system,
               "Plus Jakarta Sans", "Space Mono", sans-serif;
  font-size: 2rem;
  line-height: 1;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  user-select: none;
  -webkit-user-select: none;
  transition: transform 0.15s;
}

.flag-emoji:hover {
  transform: scale(1.15);
}

.flag-emoji:focus-visible {
  outline: 2px solid var(--accent-purple);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ---- Twemoji <img> sizing ---- */
.flag-emoji img.emoji,
.flag-grid-display img.emoji,
.format-preview img.emoji {
  height: 1.4em;
  width: 1.4em;
  vertical-align: -0.2em;
  margin: 0;
}

/* ---- Label below emoji ---- */
.flag-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  text-align: center;
  line-height: 1.3;
  word-break: break-word;
}

/* ---- Region / category filter pills ---- */
.region-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 1rem 0;
}

.region-filter {
  border: 1px solid var(--border-light);
  background: var(--bg-white);
  color: var(--text-secondary);
  padding: 6px 14px;
  border-radius: 50px;
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  transition: all 0.2s;
}

.region-filter:hover {
  border-color: var(--accent-purple);
  color: var(--accent-purple);
  background: rgba(139, 92, 246, 0.05);
}

.region-filter.active {
  background: var(--accent-purple);
  border-color: var(--accent-purple);
  color: #fff;
}

/* ---- Grid section card ---- */
.flag-grid-section {
  margin: 1.5rem 0;
  border: 1px solid var(--border-light, #e5e5e5);
  border-radius: 12px;
  padding: 1.25rem 1.5rem;
  background: var(--bg-white, #fff);
}

.flag-grid-section h3 {
  margin: 0 0 0.75rem 0;
}

.flag-grid-display {
  font-size: 2rem;
  line-height: 1.6;
  letter-spacing: 3px;
  padding: 12px 0;
  word-break: break-all;
}

/* ---- Format selector (segmented control) ---- */
.format-selector {
  margin-top: 1rem;
}

.format-selector-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary, #6b7280);
  margin-bottom: 6px;
}

.format-tabs {
  display: inline-flex;
  border: 1px solid var(--border-light, #e0e0e0);
  border-radius: 8px;
  overflow: hidden;
  background: var(--bg-secondary, #f5f5f5);
  padding: 3px;
  gap: 2px;
}

.format-tab {
  border: none;
  background: transparent;
  color: var(--text-secondary, #6b7280);
  padding: 6px 14px;
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  border-radius: 6px;
  transition: all 0.15s ease;
  white-space: nowrap;
}

.format-tab:hover {
  color: var(--text-primary, #1f2937);
  background: rgba(0, 0, 0, 0.04);
}

.format-tab.active {
  background: var(--accent-purple, #8b5cf6);
  color: #fff;
  box-shadow: 0 1px 3px rgba(139, 92, 246, 0.25);
}

/* ---- Format preview ---- */
.format-preview {
  margin-top: 0.75rem;
  border: 1px dashed var(--border-light, #e0e0e0);
  border-radius: 8px;
  padding: 12px 16px;
  min-height: 48px;
  font-size: 1.35rem;
  line-height: 1.8;
  letter-spacing: 1px;
  background: var(--bg-secondary, #fafafa);
  white-space: pre-wrap;
  word-break: break-word;
  transition: opacity 0.15s ease;
}

/* ---- Copy Collection button ---- */
.copy-collection-btn {
  margin-top: 0.75rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--border-light, #e0e0e0);
  background: var(--bg-white, #fff);
  color: var(--text-primary, #1f2937);
  padding: 8px 18px;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  transition: all 0.15s ease;
}

.copy-collection-btn:hover {
  border-color: var(--accent-purple, #8b5cf6);
  color: var(--accent-purple, #8b5cf6);
  background: rgba(139, 92, 246, 0.04);
}

.copy-collection-btn.is-copied {
  border-color: #10b981;
  color: #10b981;
  background: rgba(16, 185, 129, 0.06);
}

.copy-collection-btn svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}