/* ==============================================================================
   PIXNIVO THEME SELECTOR COMPONENT STYLES
   Modern Glassmorphism · Glowing Themes · Mobile Responsive
   ============================================================================== */

.px-theme-selector {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  width: 100%;
  max-width: 680px;
  background: var(--bg-glass-card, rgba(18, 14, 28, 0.72));
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid var(--border-glass, rgba(255, 255, 255, 0.12));
  border-radius: 1.25rem;
  padding: 1.5rem;
  box-shadow: 0 16px 40px -8px rgba(0, 0, 0, 0.5),
              inset 0 1px 1px 0 rgba(255, 255, 255, 0.15);
  color: var(--text-primary, #f8fafc);
  font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  box-sizing: border-box;
}

.px-theme-selector * {
  box-sizing: border-box;
}

/* Compact sidebar mode modifier */
.px-theme-selector.compact {
  max-width: 100%;
  padding: 1rem;
  gap: 1rem;
  border-radius: 0.875rem;
}

/* ------------------------------------------------------------------------------
   1. Header Section
   ------------------------------------------------------------------------------ */
.px-ts-header {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.px-ts-header-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  align-self: flex-start;
  padding: 0.25rem 0.65rem;
  background: rgba(255, 122, 26, 0.12);
  border: 1px solid rgba(255, 122, 26, 0.3);
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  color: #ffa65e;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.px-ts-header-title {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0;
  background: linear-gradient(135deg, #ffffff 0%, #cbd5e1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.px-theme-selector.compact .px-ts-header-title {
  font-size: 1.15rem;
}

.px-ts-header-sub {
  font-size: 0.875rem;
  color: var(--text-secondary, #94a3b8);
  margin: 0;
  line-height: 1.4;
}

/* ------------------------------------------------------------------------------
   2. Concept Input Section
   ------------------------------------------------------------------------------ */
.px-ts-concept-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.px-ts-label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.px-ts-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary, #f8fafc);
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.px-ts-char-count {
  font-size: 0.75rem;
  color: var(--text-muted, #64748b);
  font-family: 'JetBrains Mono', monospace;
}

.px-ts-char-count.warning {
  color: #f59e0b;
}

.px-ts-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.px-ts-input-icon {
  position: absolute;
  left: 0.95rem;
  color: #94a3b8;
  display: flex;
  align-items: center;
  pointer-events: none;
  transition: color 0.2s ease;
}

.px-ts-input {
  width: 100%;
  padding: 0.75rem 2.5rem 0.75rem 2.6rem;
  background: var(--bg-input, rgba(14, 11, 24, 0.85));
  border: 1px solid var(--border-medium, rgba(255, 255, 255, 0.15));
  border-radius: 0.75rem;
  color: #ffffff;
  font-size: 0.95rem;
  font-family: inherit;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.3);
}

.px-ts-input::placeholder {
  color: rgba(148, 163, 184, 0.6);
  font-weight: 400;
}

.px-ts-input:focus {
  outline: none;
  border-color: #ff7a1a;
  box-shadow: 0 0 0 3px rgba(255, 122, 26, 0.2), inset 0 2px 4px rgba(0, 0, 0, 0.3);
  background: rgba(22, 17, 36, 0.95);
}

.px-ts-input-wrapper:focus-within .px-ts-input-icon {
  color: #ff7a1a;
}

.px-ts-clear-btn {
  position: absolute;
  right: 0.75rem;
  background: rgba(255, 255, 255, 0.1);
  border: none;
  border-radius: 50%;
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #cbd5e1;
  font-size: 0.75rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.px-ts-clear-btn:hover {
  background: rgba(255, 255, 255, 0.2);
  color: #ffffff;
}

.px-ts-input-error {
  font-size: 0.8rem;
  color: #f87171;
  display: flex;
  align-items: center;
  gap: 0.3rem;
  margin-top: 0.15rem;
}

/* ------------------------------------------------------------------------------
   3. Quick-Pick Concept Chips
   ------------------------------------------------------------------------------ */
.px-ts-chips-section {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.px-ts-chips-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted, #64748b);
}

.px-ts-chips-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  align-items: center;
}

.px-ts-chip {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 9999px;
  padding: 0.3rem 0.7rem;
  font-size: 0.8rem;
  font-weight: 500;
  color: #cbd5e1;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  user-select: none;
}

.px-ts-chip:hover {
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.25);
  color: #ffffff;
  transform: translateY(-1px);
}

.px-ts-chip.active {
  background: rgba(255, 122, 26, 0.2);
  border-color: #ff7a1a;
  color: #ffa65e;
}

/* ------------------------------------------------------------------------------
   4. Visual Theme Cards Grid
   ------------------------------------------------------------------------------ */
.px-ts-theme-section {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.px-ts-theme-label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.px-ts-theme-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary, #f8fafc);
}

.px-ts-theme-counter {
  font-size: 0.75rem;
  color: var(--text-muted, #64748b);
}

.px-ts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 0.85rem;
}

.px-theme-selector.compact .px-ts-grid {
  grid-template-columns: 1fr;
}

.px-ts-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 0.875rem;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  overflow: hidden;
  text-align: left;
}

.px-ts-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--card-gradient, transparent);
  opacity: 0.18;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.px-ts-card:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.07);
}

.px-ts-card:hover::before {
  opacity: 0.35;
}

/* Active Selected State with Theme Mood Glow */
.px-ts-card.active {
  border-color: var(--theme-accent, #ff7a1a);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 0 20px -3px var(--theme-glow, rgba(255, 122, 26, 0.4)),
              inset 0 0 12px 0 var(--theme-glow-subtle, rgba(255, 122, 26, 0.15));
}

.px-ts-card.active::before {
  opacity: 0.45;
}

.px-ts-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.65rem;
  position: relative;
  z-index: 1;
}

.px-ts-card-icon-wrap {
  width: 38px;
  height: 38px;
  border-radius: 0.65rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--theme-accent, #ffffff);
  transition: transform 0.2s ease;
}

.px-ts-card:hover .px-ts-card-icon-wrap {
  transform: scale(1.06);
}

.px-ts-card-icon-wrap svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.px-ts-card-badge-wrap {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.px-ts-card-badge {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.18rem 0.5rem;
  border-radius: 9999px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--theme-accent, #cbd5e1);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.px-ts-card-check {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--theme-accent, #ff7a1a);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
  animation: px-pop 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes px-pop {
  0% { transform: scale(0.5); opacity: 0; }
  100% { transform: scale(1); opacity: 1; }
}

.px-ts-card-body {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.px-ts-card-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: #ffffff;
  margin: 0;
  line-height: 1.3;
}

.px-ts-card-category {
  font-size: 0.75rem;
  color: var(--text-muted, #64748b);
  font-weight: 500;
}

.px-ts-card-desc {
  font-size: 0.8rem;
  color: var(--text-secondary, #94a3b8);
  line-height: 1.4;
  margin: 0.2rem 0 0 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ------------------------------------------------------------------------------
   5. Collapsible Prompt Preview Accordion
   ------------------------------------------------------------------------------ */
.px-ts-preview-accordion {
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 0.75rem;
  background: rgba(14, 11, 24, 0.6);
  overflow: hidden;
  transition: border-color 0.2s ease;
}

.px-ts-preview-accordion:hover {
  border-color: rgba(255, 255, 255, 0.18);
}

.px-ts-accordion-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  background: transparent;
  border: none;
  color: #cbd5e1;
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
  user-select: none;
  transition: color 0.2s ease;
}

.px-ts-accordion-toggle:hover {
  color: #ffffff;
}

.px-ts-accordion-toggle-left {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.px-ts-preview-tag {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  background: rgba(6, 182, 212, 0.15);
  color: #22d3ee;
  border: 1px solid rgba(6, 182, 212, 0.3);
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  letter-spacing: 0.04em;
}

.px-ts-accordion-chevron {
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  align-items: center;
  justify-content: center;
}

.px-ts-accordion-chevron.open {
  transform: rotate(180deg);
}

.px-ts-accordion-body {
  padding: 0.75rem 1rem 1rem 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  animation: px-fade-in 0.2s ease;
}

@keyframes px-fade-in {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

.px-ts-prompt-box {
  background: rgba(9, 7, 15, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 0.5rem;
  padding: 0.85rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  line-height: 1.55;
  color: #94a3b8;
  position: relative;
  word-break: break-word;
}

.px-ts-prompt-prefix {
  color: #64748b;
}

.px-ts-prompt-concept {
  color: #38bdf8;
  font-weight: 700;
  background: rgba(56, 189, 248, 0.1);
  padding: 0.1rem 0.3rem;
  border-radius: 3px;
  border: 1px solid rgba(56, 189, 248, 0.25);
}

.px-ts-prompt-suffix {
  color: #94a3b8;
}

.px-ts-prompt-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.px-ts-model-params {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.px-ts-param-pill {
  font-size: 0.7rem;
  font-family: 'JetBrains Mono', monospace;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  color: #cbd5e1;
}

.px-ts-copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #e2e8f0;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.3rem 0.65rem;
  border-radius: 0.4rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.px-ts-copy-btn:hover {
  background: rgba(255, 255, 255, 0.16);
  color: #ffffff;
}

.px-ts-copy-btn.copied {
  background: rgba(16, 185, 129, 0.2);
  border-color: #10b981;
  color: #34d399;
}

.px-ts-negative-box {
  background: rgba(239, 68, 68, 0.05);
  border: 1px dashed rgba(239, 68, 68, 0.25);
  border-radius: 0.5rem;
  padding: 0.65rem 0.75rem;
  font-size: 0.75rem;
  color: #fca5a5;
  font-family: 'JetBrains Mono', monospace;
  line-height: 1.4;
}

.px-ts-negative-title {
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.25rem;
  color: #f87171;
  font-size: 0.7rem;
}

/* ------------------------------------------------------------------------------
   6. Generate Action CTA Button
   ------------------------------------------------------------------------------ */
.px-ts-action-area {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: 0.25rem;
}

.px-ts-btn-generate {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  width: 100%;
  padding: 0.95rem 1.75rem;
  background: linear-gradient(135deg, #ff5e3a 0%, #ff9500 100%);
  border: none;
  border-radius: 0.875rem;
  color: #ffffff;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  font-family: inherit;
  cursor: pointer;
  box-shadow: 0 8px 24px -4px rgba(255, 94, 58, 0.45),
              inset 0 1px 1px 0 rgba(255, 255, 255, 0.3);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  overflow: hidden;
  user-select: none;
}

.px-ts-btn-generate::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.25) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.px-ts-btn-generate:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px -4px rgba(255, 94, 58, 0.6),
              inset 0 1px 1px 0 rgba(255, 255, 255, 0.4);
}

.px-ts-btn-generate:hover:not(:disabled)::after {
  opacity: 1;
}

.px-ts-btn-generate:active:not(:disabled) {
  transform: translateY(1px);
  box-shadow: 0 4px 14px -2px rgba(255, 94, 58, 0.4);
}

.px-ts-btn-generate:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.px-ts-btn-generate.loading {
  background: linear-gradient(135deg, #ea580c 0%, #d97706 100%);
  cursor: wait;
}

.px-ts-spinner {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #ffffff;
  border-radius: 50%;
  animation: px-spin 0.8s linear infinite;
}

@keyframes px-spin {
  to { transform: rotate(360deg); }
}

.px-ts-disclaimer {
  font-size: 0.72rem;
  color: var(--text-muted, #64748b);
  text-align: center;
  line-height: 1.4;
  margin: 0;
}

/* ------------------------------------------------------------------------------
   Responsive Adjustments
   ------------------------------------------------------------------------------ */
@media (max-width: 640px) {
  .px-theme-selector {
    padding: 1rem;
    border-radius: 1rem;
    gap: 1rem;
  }
  
  .px-ts-grid {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  .px-ts-prompt-actions {
    flex-direction: column;
    align-items: flex-start;
  }
}