/**
 * Styles Page · Premium CSS
 * Matches Create Content v2 aesthetic (create-v2.css)
 * Scoped under .styles-v2-root to prevent leak
 * 2026-05-22 · per boss · "premium ตามแบบ Create Content"
 */

.styles-v2-root {
  /* Inherit tokens from main.css :root + define local v2 spice */
  --sp-accent: #EA8623;
  --sp-accent-hover: #FF9933;
  --sp-accent-soft: rgba(234, 134, 35, 0.08);
  --sp-accent-glow: rgba(234, 134, 35, 0.18);
  --sp-border: rgba(255, 255, 255, 0.08);
  --sp-border-strong: rgba(255, 255, 255, 0.14);
  --sp-border-hover: rgba(234, 134, 35, 0.4);
  --sp-bg-card: #171717;
  --sp-bg-card-hi: #1F1F1F;
  --sp-bg-input: #262626;
  --sp-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --sp-shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4), 0 1px 2px rgba(0, 0, 0, 0.6);
  --sp-shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5), 0 4px 8px rgba(0, 0, 0, 0.4);
  --sp-r-sm: 6px;
  --sp-r-md: 10px;
  --sp-r-lg: 16px;
  --sp-ease: cubic-bezier(0.16, 1, 0.3, 1);
  --sp-t-fast: 120ms;
  --sp-t-base: 200ms;
  --sp-g-200: #E5E5E5;
  --sp-g-400: #A3A3A3;
  --sp-g-500: #737373;
  --sp-g-600: #525252;

  /* Container · gradient overlay + premium border */
  background: linear-gradient(180deg, rgba(255,255,255,0.02) 0%, transparent 100%), var(--sp-bg-card);
  border: 1px solid var(--sp-border);
  border-radius: var(--sp-r-lg);
  box-shadow: var(--sp-shadow-md);
  overflow: hidden;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

/* ─── Header / Toolbar ─── */
.styles-v2-root .card-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--sp-border);
  background: linear-gradient(180deg, rgba(234,134,35,0.03) 0%, transparent 100%);
}

.styles-v2-root .card-title {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 10px;
}

.styles-v2-root .card-title::before {
  content: '';
  width: 3px;
  height: 18px;
  background: var(--sp-accent);
  border-radius: 2px;
  display: inline-block;
}

.styles-v2-root .styles-count-badge {
  background: var(--sp-accent-soft);
  color: var(--sp-accent);
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  border: 1px solid var(--sp-border-hover);
}

/* ─── Action buttons (top right) ─── */
.styles-v2-root .card-header .btn {
  padding: 7px 14px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 500;
  transition: all var(--sp-t-fast) var(--sp-ease);
}
.styles-v2-root .card-header .btn-primary {
  background: var(--sp-accent);
  color: #fff;
  border: 1px solid var(--sp-accent);
}
.styles-v2-root .card-header .btn-primary:hover {
  background: var(--sp-accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px var(--sp-accent-glow);
}
.styles-v2-root .card-header .btn-secondary {
  background: var(--sp-bg-input);
  color: var(--sp-g-200);
  border: 1px solid var(--sp-border);
}
.styles-v2-root .card-header .btn-secondary:hover {
  background: var(--sp-bg-card-hi);
  border-color: var(--sp-border-strong);
}

/* ─── Toolbar (search + filters) ─── */
.styles-v2-root .styles-toolbar {
  padding: 16px 24px;
  display: flex;
  gap: 12px;
  align-items: center;
  background: var(--sp-bg-card);
  border-bottom: 1px solid var(--sp-border);
  flex-wrap: wrap;
}

.styles-v2-root .styles-search-wrap {
  position: relative;
  flex: 1;
  min-width: 240px;
  display: flex;
  align-items: center;
}
.styles-v2-root .styles-search-icon {
  position: absolute;
  left: 12px;
  font-size: 14px;
  color: var(--sp-g-500);
  pointer-events: none;
}
.styles-v2-root .styles-search-input {
  width: 100%;
  background: var(--sp-bg-input);
  border: 1px solid var(--sp-border);
  border-radius: 8px;
  padding: 9px 36px 9px 36px;
  color: var(--sp-g-200);
  font-size: 13px;
  transition: all var(--sp-t-fast) var(--sp-ease);
}
.styles-v2-root .styles-search-input:focus {
  outline: none;
  border-color: var(--sp-accent);
  box-shadow: 0 0 0 3px var(--sp-accent-glow);
  background: var(--sp-bg-card-hi);
}
.styles-v2-root .styles-search-kbd {
  position: absolute;
  right: 10px;
  background: var(--sp-bg-card);
  border: 1px solid var(--sp-border-strong);
  border-radius: 4px;
  padding: 2px 6px;
  font-size: 11px;
  font-family: 'JetBrains Mono', monospace;
  color: var(--sp-g-400);
}

/* ─── Custom dropdown ─── */
.styles-v2-root .sv-dd {
  position: relative;
  display: inline-block;
}
.styles-v2-root .sv-dd-toggle {
  background: var(--sp-bg-input);
  border: 1px solid var(--sp-border);
  border-radius: 8px;
  padding: 8px 12px;
  color: var(--sp-g-200);
  font-size: 13px;
  font-family: inherit;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all var(--sp-t-fast) var(--sp-ease);
}
.styles-v2-root .sv-dd-toggle:hover {
  border-color: var(--sp-border-strong);
  background: var(--sp-bg-card-hi);
}
.styles-v2-root .sv-dd.open .sv-dd-toggle {
  border-color: var(--sp-accent);
  background: var(--sp-bg-card-hi);
}
.styles-v2-root .sv-dd-caret {
  font-size: 10px;
  color: var(--sp-g-400);
  transition: transform var(--sp-t-fast) var(--sp-ease);
}
.styles-v2-root .sv-dd.open .sv-dd-caret {
  transform: rotate(180deg);
  color: var(--sp-accent);
}
.styles-v2-root .sv-dd-menu {
  display: none;
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  z-index: 1000;
  min-width: 220px;
  max-height: 320px;
  overflow-y: auto;
  background: var(--sp-bg-card-hi);
  border: 1px solid var(--sp-border-strong);
  border-radius: 10px;
  box-shadow: var(--sp-shadow-lg);
  padding: 4px;
  flex-direction: column;
  gap: 2px;
}
.styles-v2-root .sv-dd.open .sv-dd-menu {
  display: flex;
}
.styles-v2-root .sv-dd-item {
  background: transparent;
  border: none;
  color: var(--sp-g-200);
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 13px;
  font-family: inherit;
  text-align: left;
  cursor: pointer;
  transition: background var(--sp-t-fast) var(--sp-ease);
  white-space: nowrap;
}
.styles-v2-root .sv-dd-item:hover {
  background: rgba(255, 255, 255, 0.04);
}
.styles-v2-root .sv-dd-item.active {
  background: var(--sp-accent-soft);
  color: var(--sp-accent);
  font-weight: 600;
}

/* ─── Card grid ─── */
.styles-v2-root #stylesGridWrap {
  padding: 20px 24px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
}

/* ─── Style Card · Premium polish ─── */
.styles-v2-root .style-card {
  background: linear-gradient(180deg, rgba(255,255,255,0.02) 0%, transparent 100%), var(--sp-bg-card);
  border: 1px solid var(--sp-border);
  border-radius: var(--sp-r-md);
  padding: 16px;
  cursor: pointer;
  transition: all var(--sp-t-base) var(--sp-ease);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 160px;
}

.styles-v2-root .style-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--sp-accent-soft) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--sp-t-base) var(--sp-ease);
  pointer-events: none;
}

.styles-v2-root .style-card:hover {
  transform: translateY(-2px);
  border-color: var(--sp-border-hover);
  box-shadow: var(--sp-shadow-md);
  background: linear-gradient(180deg, rgba(255,255,255,0.04) 0%, transparent 100%), var(--sp-bg-card-hi);
}
.styles-v2-root .style-card:hover::before {
  opacity: 1;
}

.styles-v2-root .style-card.selected {
  border-color: var(--sp-accent);
  box-shadow: 0 0 0 1px var(--sp-accent), var(--sp-shadow-md);
}
.styles-v2-root .style-card.selected::before {
  opacity: 1;
}

/* Checkbox positioned absolute · doesn't disturb layout */
.styles-v2-root .style-card-checkbox {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 2;
}
.styles-v2-root .style-card-checkbox input {
  width: 16px;
  height: 16px;
  accent-color: var(--sp-accent);
  cursor: pointer;
}

/* Card header · icon + title + preset */
.styles-v2-root .style-card-header {
  display: flex;
  gap: 12px;
  padding-left: 28px;  /* space for checkbox */
  position: relative;
  z-index: 1;
}

.styles-v2-root .style-card-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--sp-bg-input);
  border: 1px solid var(--sp-border);
  border-radius: 8px;
  font-size: 22px;
  flex-shrink: 0;
}

.styles-v2-root .style-card-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--sp-g-200);
  line-height: 1.3;
  margin-bottom: 4px;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.styles-v2-root .style-card-preset {
  font-size: 11px;
  color: var(--sp-accent);
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

/* Tag row */
.styles-v2-root .style-card-tags {
  position: relative;
  z-index: 1;
  font-size: 11px;
  color: var(--sp-g-500);
  padding-left: 28px;
  min-height: 18px;
}

/* Footer · time + actions */
.styles-v2-root .style-card-footer {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid var(--sp-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  z-index: 1;
}

.styles-v2-root .style-card-footer-time {
  font-size: 11px;
  color: var(--sp-g-500);
  display: flex;
  align-items: center;
  gap: 4px;
}

.styles-v2-root .style-card-actions {
  display: flex;
  gap: 4px;
  opacity: 0.6;
  transition: opacity var(--sp-t-fast) var(--sp-ease);
}
.styles-v2-root .style-card:hover .style-card-actions {
  opacity: 1;
}

.styles-v2-root .style-card-actions button {
  background: transparent;
  border: 1px solid transparent;
  border-radius: 6px;
  padding: 4px 8px;
  font-size: 13px;
  color: var(--sp-g-400);
  cursor: pointer;
  transition: all var(--sp-t-fast) var(--sp-ease);
}
.styles-v2-root .style-card-actions button:hover {
  background: var(--sp-bg-input);
  border-color: var(--sp-border-strong);
  color: var(--sp-g-200);
}

/* "from @username" badge */
.styles-v2-root .style-card .from-badge,
.styles-v2-root .style-card .style-card-from {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: rgba(139, 92, 246, 0.1);
  color: #A78BFA;
  border: 1px solid rgba(139, 92, 246, 0.3);
  border-radius: 6px;
  padding: 3px 8px;
  font-size: 11px;
  font-weight: 500;
  margin-top: 4px;
  align-self: flex-start;
}

/* ─── Bulk selection bar ─── */
.styles-v2-root .styles-bulk-bar {
  padding: 12px 24px;
  background: var(--sp-accent-soft);
  border-bottom: 1px solid var(--sp-border-hover);
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
}

.styles-v2-root .styles-bulk-count {
  color: var(--sp-g-200);
}
.styles-v2-root .styles-bulk-count b {
  color: var(--sp-accent);
}

/* ─── Empty state ─── */
.styles-v2-root .empty-state {
  padding: 60px 24px;
  text-align: center;
  color: var(--sp-g-500);
}
.styles-v2-root .empty-state-title {
  font-size: 18px;
  color: var(--sp-g-200);
  margin: 12px 0 4px;
  font-weight: 600;
}
.styles-v2-root .empty-state-desc {
  font-size: 13px;
  margin-bottom: 20px;
}

/* ─── Responsive ─── */
@media (max-width: 768px) {
  .styles-v2-root #stylesGridWrap {
    grid-template-columns: 1fr;
    padding: 16px;
  }
  .styles-v2-root .styles-toolbar {
    padding: 12px 16px;
  }
  .styles-v2-root .card-header {
    padding: 16px;
  }
}

/* ─── Reduce motion · accessibility ─── */
@media (prefers-reduced-motion: reduce) {
  .styles-v2-root .style-card:hover {
    transform: none;
    box-shadow: var(--sp-shadow-sm);
  }
}