/* ═══════════════════════════════════════════════════════════════════════
   gallery.css — Architecture Gallery styles
   ═══════════════════════════════════════════════════════════════════════ */

/* ── Layout ─────────────────────────────────────────────────────────── */
.gallery-page {
  min-height: 100vh;
  background: var(--color-bg, #0d1117);
  color: var(--color-text, #e6edf3);
  font-family: var(--font-base, 'Inter', sans-serif);
}

.gallery-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem 4rem;
}

/* ── Header ─────────────────────────────────────────────────────────── */
.gallery-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 2rem 0 1.25rem;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  gap: 1rem;
  flex-wrap: wrap;
}

.gallery-header h1 {
  font-size: var(--fs-xl);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #e6edf3;
  margin: 0;
}

.gallery-header .subtitle {
  font-size: var(--fs-sm);
  color: #8b949e;
  margin-top: 0.25rem;
}

/* ── Filter bar ─────────────────────────────────────────────────────── */
.gallery-filters {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem 0;
  flex-wrap: wrap;
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.filter-label {
  font-size: var(--fs-xs);
  color: #8b949e;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.filter-pills {
  display: flex;
  gap: 0.375rem;
}

.filter-pill {
  padding: 0.3rem 0.75rem;
  border-radius: 9999px;
  font-size: var(--fs-sm);
  font-weight: 500;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.04);
  color: #8b949e;
  cursor: pointer;
  transition: all 0.15s;
}

.filter-pill:hover {
  border-color: rgba(255,255,255,0.18);
  color: #e6edf3;
}

.filter-pill.active {
  background: rgba(88, 166, 255, 0.12);
  border-color: rgba(88, 166, 255, 0.4);
  color: #58a6ff;
}

.filter-select {
  padding: 0.35rem 0.75rem;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 0.5rem;
  color: #e6edf3;
  font-size: var(--fs-sm);
  cursor: pointer;
  min-width: 160px;
}

.filter-select:focus {
  outline: none;
  border-color: rgba(88, 166, 255, 0.4);
}

/* ── Sort tabs ───────────────────────────────────────────────────────── */
.sort-tabs {
  display: flex;
  gap: 0;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 0.5rem;
  overflow: hidden;
  margin-left: auto;
}

.sort-tab {
  padding: 0.35rem 0.875rem;
  font-size: var(--fs-sm);
  font-weight: 500;
  color: #8b949e;
  background: rgba(255,255,255,0.03);
  cursor: pointer;
  transition: all 0.15s;
  border: none;
}

.sort-tab + .sort-tab {
  border-left: 1px solid rgba(255,255,255,0.08);
}

.sort-tab.active,
.sort-tab:hover {
  background: rgba(255,255,255,0.07);
  color: #e6edf3;
}

.sort-tab.active {
  color: #58a6ff;
}

/* ── Card grid ───────────────────────────────────────────────────────── */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.25rem;
  padding: 1.25rem 0;
}

.arch-card {
  background: #161b22;
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 0.75rem;
  padding: 1.25rem;
  cursor: pointer;
  transition: border-color 0.15s, box-shadow 0.15s, transform 0.1s;
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
}

.arch-card:hover {
  border-color: rgba(88, 166, 255, 0.3);
  box-shadow: 0 4px 24px rgba(0,0,0,0.3);
  transform: translateY(-1px);
}

.arch-card.featured {
  border-color: rgba(240, 185, 11, 0.35);
  background: linear-gradient(135deg, #161b22 0%, #1a1f2e 100%);
}

.arch-card.featured::before {
  content: '⭐ Featured';
  font-size: var(--fs-xss);
  font-weight: 600;
  color: #f0b90b;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ── Card header ─────────────────────────────────────────────────────── */
.card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
}

.card-meta {
  flex: 1;
  min-width: 0;
}

.card-title {
  font-size: var(--fs-base);
  font-weight: 600;
  color: #e6edf3;
  margin: 0 0 0.25rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.card-preset {
  font-size: var(--fs-sm);
  color: #8b949e;
}

/* ── Score badge ─────────────────────────────────────────────────────── */
.score-badge {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  font-size: var(--fs-sm);
  font-weight: 700;
  border: 2px solid;
}

.score-badge.score-high   { color: #3fb950; border-color: rgba(63,185,80,0.5);  background: rgba(63,185,80,0.08);  }
.score-badge.score-mid    { color: #e3b341; border-color: rgba(227,179,65,0.5); background: rgba(227,179,65,0.08); }
.score-badge.score-low    { color: #f85149; border-color: rgba(248,81,73,0.5);  background: rgba(248,81,73,0.08);  }

/* ── Status badge ───────────────────────────────────────────────────── */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.2rem 0.625rem;
  border-radius: 9999px;
  font-size: var(--fs-xs);
  font-weight: 600;
}

.status-badge.accepted  { background: rgba(63,185,80,0.12);  color: #3fb950; }
.status-badge.review    { background: rgba(227,179,65,0.12); color: #e3b341; }
.status-badge.fail      { background: rgba(248,81,73,0.12);  color: #f85149; }

/* ── Card footer ─────────────────────────────────────────────────────── */
.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.625rem;
  border-top: 1px solid rgba(255,255,255,0.05);
}

.card-author {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--fs-sm);
  color: #8b949e;
}

.card-author-avatar {
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 50%;
  background: #21262d;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--fs-micro);
  font-weight: 700;
  color: #58a6ff;
  overflow: hidden;
}

.card-author-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card-stats {
  display: flex;
  gap: 0.75rem;
  font-size: var(--fs-xs);
  color: #8b949e;
}

.card-stat {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

/* ── Difficulty pill ────────────────────────────────────────────────── */
.difficulty-pill {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  font-size: var(--fs-xss);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.difficulty-pill.beginner     { background: rgba(63,185,80,0.1);  color: #3fb950; }
.difficulty-pill.intermediate { background: rgba(227,179,65,0.1); color: #e3b341; }
.difficulty-pill.advanced     { background: rgba(248,81,73,0.1);  color: #f85149; }

/* ── Empty / loading state ──────────────────────────────────────────── */
.gallery-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 4rem 2rem;
  color: #8b949e;
}

.gallery-empty .empty-icon {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 1rem;
  opacity: 0.4;
}

.gallery-empty p {
  font-size: var(--fs-base);
  margin: 0;
}

.gallery-loading {
  grid-column: 1 / -1;
  display: flex;
  justify-content: center;
  padding: 3rem;
}

/* Skeleton cards */
.skeleton-card {
  background: #161b22;
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 0.75rem;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  animation: skeleton-pulse 1.5s ease-in-out infinite;
}

@keyframes skeleton-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.skeleton-line {
  border-radius: 4px;
  background: rgba(255,255,255,0.07);
}

/* ── Pagination ─────────────────────────────────────────────────────── */
.gallery-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 2rem 0 1rem;
}

.page-btn {
  padding: 0.4rem 0.875rem;
  border-radius: 0.5rem;
  font-size: var(--fs-sm);
  font-weight: 500;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.04);
  color: #8b949e;
  cursor: pointer;
  transition: all 0.15s;
}

.page-btn:hover:not(:disabled) {
  border-color: rgba(255,255,255,0.18);
  color: #e6edf3;
}

.page-btn.active {
  background: rgba(88, 166, 255, 0.12);
  border-color: rgba(88, 166, 255, 0.4);
  color: #58a6ff;
}

.page-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

/* ══════════════════════════════════════════════════════════════════════
   Detail Modal
   ══════════════════════════════════════════════════════════════════════ */
.gallery-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.75);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 2rem 1rem;
  overflow-y: auto;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
}

.gallery-modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.gallery-modal {
  background: #161b22;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 1rem;
  width: 100%;
  max-width: 860px;
  padding: 2rem;
  position: relative;
  transform: translateY(16px);
  transition: transform 0.2s;
}

.gallery-modal-overlay.open .gallery-modal {
  transform: translateY(0);
}

.modal-close-btn {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: rgba(255,255,255,0.06);
  border: none;
  border-radius: 0.5rem;
  color: #8b949e;
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: var(--fs-subhead);
  transition: background 0.15s, color 0.15s;
}

.modal-close-btn:hover {
  background: rgba(255,255,255,0.1);
  color: #e6edf3;
}

.modal-title {
  font-size: var(--fs-lg);
  font-weight: 700;
  color: #e6edf3;
  margin: 0 0 0.25rem;
  padding-right: 2.5rem;
}

.modal-subtitle {
  font-size: var(--fs-sm);
  color: #8b949e;
  margin: 0 0 1.5rem;
}

.modal-body {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* ── Graph snapshot ─────────────────────────────────────────────────── */
.graph-snapshot {
  background: #0d1117;
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 0.625rem;
  padding: 1.25rem;
}

.graph-snapshot h4 {
  font-size: var(--fs-sm);
  font-weight: 600;
  color: #8b949e;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 0 0 1rem;
}

.snapshot-nodes {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.snapshot-node {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.3rem 0.75rem;
  background: rgba(88, 166, 255, 0.08);
  border: 1px solid rgba(88, 166, 255, 0.2);
  border-radius: 0.5rem;
  font-size: var(--fs-sm);
  color: #58a6ff;
}

.snapshot-node .node-count {
  font-size: var(--fs-xss);
  color: #8b949e;
}

/* ── Score row ──────────────────────────────────────────────────────── */
.detail-score-row {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.detail-score-block {
  display: flex;
  align-items: center;
  gap: 0.625rem;
}

.detail-score-label {
  font-size: var(--fs-sm);
  color: #8b949e;
}

.detail-score-value {
  font-size: var(--fs-xl);
  font-weight: 800;
  line-height: 1;
}

.detail-notes {
  font-size: var(--fs-sm);
  color: #8b949e;
  line-height: 1.6;
  padding: 0.875rem 1rem;
  background: rgba(255,255,255,0.03);
  border-radius: 0.5rem;
  border-left: 3px solid rgba(88, 166, 255, 0.3);
}

/* ── Compare panel ──────────────────────────────────────────────────── */
.compare-panel {
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 0.75rem;
  overflow: hidden;
}

.compare-panel-header {
  background: rgba(255,255,255,0.03);
  padding: 0.875rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.compare-panel-header h4 {
  font-size: var(--fs-sm);
  font-weight: 600;
  color: #e6edf3;
  margin: 0;
}

.compare-trigger-btn {
  padding: 0.35rem 0.875rem;
  background: rgba(88, 166, 255, 0.1);
  border: 1px solid rgba(88, 166, 255, 0.3);
  border-radius: 0.5rem;
  color: #58a6ff;
  font-size: var(--fs-sm);
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
}

.compare-trigger-btn:hover {
  background: rgba(88, 166, 255, 0.18);
}

.compare-panel-body {
  padding: 1.25rem;
}

.compare-verdict {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.verdict-chip {
  padding: 0.3rem 0.875rem;
  border-radius: 9999px;
  font-size: var(--fs-sm);
  font-weight: 600;
}

.verdict-chip.stronger   { background: rgba(63,185,80,0.12);  color: #3fb950; border: 1px solid rgba(63,185,80,0.3);  }
.verdict-chip.comparable { background: rgba(88,166,255,0.12); color: #58a6ff; border: 1px solid rgba(88,166,255,0.3); }
.verdict-chip.weaker     { background: rgba(248,81,73,0.12);  color: #f85149; border: 1px solid rgba(248,81,73,0.3);  }

.compare-diff-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1rem;
}

.diff-col h5 {
  font-size: var(--fs-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 0 0 0.625rem;
}

.diff-col.missing h5  { color: #f85149; }
.diff-col.extra h5    { color: #3fb950; }
.diff-col.shared h5   { color: #8b949e; }

.diff-component {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  font-size: var(--fs-xs);
  margin: 0.15rem;
}

.diff-col.missing .diff-component  { background: rgba(248,81,73,0.08);  color: #f85149; }
.diff-col.extra .diff-component    { background: rgba(63,185,80,0.08);  color: #3fb950; }
.diff-col.shared .diff-component   { background: rgba(255,255,255,0.05); color: #8b949e; }

/* ══════════════════════════════════════════════════════════════════════
   Reviews section
   ══════════════════════════════════════════════════════════════════════ */
.reviews-section h3 {
  font-size: var(--fs-md);
  font-weight: 700;
  color: #e6edf3;
  margin: 0 0 1rem;
}

.review-card {
  background: #0d1117;
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 0.625rem;
  padding: 1rem 1.25rem;
  margin-bottom: 0.875rem;
}

.review-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.review-author {
  font-size: var(--fs-sm);
  font-weight: 600;
  color: #e6edf3;
}

.review-date {
  font-size: var(--fs-xs);
  color: #8b949e;
}

/* ── Verdict badge ──────────────────────────────────────────────────── */
.verdict-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.2rem 0.625rem;
  border-radius: 9999px;
  font-size: var(--fs-xs);
  font-weight: 600;
}

.verdict-badge.strong_accept { background: rgba(63,185,80,0.12);  color: #3fb950; border: 1px solid rgba(63,185,80,0.25); }
.verdict-badge.accept        { background: rgba(88,166,255,0.12); color: #58a6ff; border: 1px solid rgba(88,166,255,0.25); }
.verdict-badge.revise        { background: rgba(227,179,65,0.12); color: #e3b341; border: 1px solid rgba(227,179,65,0.25); }
.verdict-badge.reject        { background: rgba(248,81,73,0.12);  color: #f85149; border: 1px solid rgba(248,81,73,0.25); }

.review-body-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.review-col h5 {
  font-size: var(--fs-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin: 0 0 0.375rem;
}

.review-col.strengths h5    { color: #3fb950; }
.review-col.improvements h5 { color: #e3b341; }

.review-col p {
  font-size: var(--fs-sm);
  color: #8b949e;
  margin: 0;
  line-height: 1.6;
}

.review-helpful-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.helpful-btn {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.25rem 0.625rem;
  border-radius: 0.375rem;
  font-size: var(--fs-xs);
  font-weight: 500;
  border: 1px solid rgba(255,255,255,0.07);
  background: rgba(255,255,255,0.03);
  color: #8b949e;
  cursor: pointer;
  transition: all 0.15s;
}

.helpful-btn:hover {
  border-color: rgba(255,255,255,0.15);
  color: #e6edf3;
}

.helpful-btn.voted {
  border-color: rgba(88,166,255,0.3);
  background: rgba(88,166,255,0.08);
  color: #58a6ff;
}

/* ── Review form ─────────────────────────────────────────────────────── */
.review-form-card {
  background: #0d1117;
  border: 1px solid rgba(88,166,255,0.15);
  border-radius: 0.75rem;
  padding: 1.25rem;
  margin-top: 1.25rem;
}

.review-form-card h4 {
  font-size: var(--fs-base);
  font-weight: 700;
  color: #e6edf3;
  margin: 0 0 1rem;
}

.verdict-options {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.verdict-option {
  position: relative;
}

.verdict-option input[type="radio"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.verdict-option label {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.35rem 0.875rem;
  border-radius: 9999px;
  font-size: var(--fs-sm);
  font-weight: 600;
  border: 1px solid rgba(255,255,255,0.1);
  color: #8b949e;
  cursor: pointer;
  transition: all 0.15s;
}

.verdict-option input:checked + label.strong_accept { background: rgba(63,185,80,0.12);  color: #3fb950; border-color: rgba(63,185,80,0.4);  }
.verdict-option input:checked + label.accept        { background: rgba(88,166,255,0.12); color: #58a6ff; border-color: rgba(88,166,255,0.4); }
.verdict-option input:checked + label.revise        { background: rgba(227,179,65,0.12); color: #e3b341; border-color: rgba(227,179,65,0.4); }
.verdict-option input:checked + label.reject        { background: rgba(248,81,73,0.12);  color: #f85149; border-color: rgba(248,81,73,0.4);  }

.verdict-option label:hover {
  border-color: rgba(255,255,255,0.2);
  color: #e6edf3;
}

.review-textareas {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.875rem;
  margin-bottom: 0.875rem;
}

.form-field label {
  display: block;
  font-size: var(--fs-xs);
  font-weight: 600;
  color: #8b949e;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.375rem;
}

.form-field textarea,
.form-field input {
  width: 100%;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 0.5rem;
  color: #e6edf3;
  font-size: var(--fs-sm);
  padding: 0.625rem 0.875rem;
  resize: vertical;
  min-height: 5rem;
  font-family: inherit;
  line-height: 1.5;
  box-sizing: border-box;
}

.form-field textarea:focus,
.form-field input:focus {
  outline: none;
  border-color: rgba(88,166,255,0.4);
}

.form-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.75rem;
  margin-top: 0.75rem;
}

/* ══════════════════════════════════════════════════════════════════════
   Publish Modal
   ══════════════════════════════════════════════════════════════════════ */
.publish-modal {
  max-width: 480px;
}

.publish-modal .form-field {
  margin-bottom: 0.875rem;
}

/* ══════════════════════════════════════════════════════════════════════
   Leaderboard tab
   ══════════════════════════════════════════════════════════════════════ */
.leaderboard-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: var(--fs-sm);
}

.leaderboard-table th {
  text-align: left;
  padding: 0.625rem 0.875rem;
  font-size: var(--fs-xs);
  font-weight: 600;
  color: #8b949e;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.leaderboard-table td {
  padding: 0.75rem 0.875rem;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  color: #e6edf3;
}

.leaderboard-table tr:hover td {
  background: rgba(255,255,255,0.02);
}

.lb-rank {
  font-weight: 700;
  color: #8b949e;
  width: 2.5rem;
}

.lb-rank.top-1 { color: #f0b90b; }
.lb-rank.top-2 { color: #8b949e; font-weight: 700; }
.lb-rank.top-3 { color: #cd7f32; }

/* ══════════════════════════════════════════════════════════════════════
   Shared buttons
   ══════════════════════════════════════════════════════════════════════ */
.btn-primary {
  padding: 0.5rem 1.25rem;
  background: #1f6feb;
  border: none;
  border-radius: 0.5rem;
  color: #fff;
  font-size: var(--fs-sm);
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s;
}

.btn-primary:hover { background: #388bfd; }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-secondary {
  padding: 0.5rem 1.25rem;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 0.5rem;
  color: #8b949e;
  font-size: var(--fs-sm);
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
}

.btn-secondary:hover {
  background: rgba(255,255,255,0.1);
  color: #e6edf3;
}

/* ── Tab switcher ───────────────────────────────────────────────────── */
.gallery-tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  margin-bottom: 0.5rem;
}

.gallery-tab {
  padding: 0.75rem 1.25rem;
  font-size: var(--fs-sm);
  font-weight: 500;
  color: #8b949e;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color 0.15s, border-color 0.15s;
  background: none;
  border-left: none;
  border-right: none;
  border-top: none;
}

.gallery-tab.active {
  color: #58a6ff;
  border-bottom-color: #58a6ff;
}

.gallery-tab:hover:not(.active) {
  color: #e6edf3;
}

/* ── Toast ──────────────────────────────────────────────────────────── */
.gallery-toast {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%) translateY(1rem);
  background: #21262d;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 0.625rem;
  padding: 0.75rem 1.25rem;
  font-size: var(--fs-sm);
  color: #e6edf3;
  z-index: 2000;
  opacity: 0;
  pointer-events: none;
  transition: all 0.25s;
  white-space: nowrap;
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
}

.gallery-toast.show {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.gallery-toast.success { border-left: 3px solid #3fb950; }
.gallery-toast.error   { border-left: 3px solid #f85149; }

/* ── Responsive ─────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .gallery-grid {
    grid-template-columns: 1fr;
  }

  .compare-diff-grid {
    grid-template-columns: 1fr;
  }

  .review-body-grid,
  .review-textareas {
    grid-template-columns: 1fr;
  }

  .sort-tabs {
    margin-left: 0;
  }

  .gallery-filters {
    flex-direction: column;
    align-items: flex-start;
  }
}