/* ============================================================
   Sentimind — Pricing Panel Components
   가격 패널, 플랜 카드, 토글, FAQ
   ============================================================ */

/* ============================================================
   Pricing Panel
   ============================================================ */
.pricing-panel {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: var(--color-bg);
  overflow-y: auto;
  padding: 2rem 1.5rem 3rem;
  animation: pricingFadeIn 300ms ease both;
}
.pricing-panel[hidden] { display: none; }
.pricing-panel > * {
  max-width: 1120px;
  margin-left: auto;
  margin-right: auto;
}
@keyframes pricingFadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Header */
.pricing-header {
  text-align: center;
  margin-bottom: 2rem;
  position: relative;
}
.pricing-back-btn {
  position: absolute;
  left: 0;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-light);
  cursor: pointer;
  transition: background 200ms ease, color 200ms ease;
}
.pricing-back-btn:hover {
  background: var(--color-surface-warm);
  color: var(--color-text);
}
.pricing-back-btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}
.pricing-title {
  font-family: var(--font-diary);
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  color: var(--color-text);
  line-height: var(--leading-tight);
  margin: 0 0 0.5rem;
  padding: 0 2.5rem;
}
.pricing-subtitle {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin: 0;
}

/* Period Toggle */
.pricing-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  background: var(--color-surface-warm);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 0.25rem;
  width: fit-content;
  margin: 0 auto 2rem;
}
.pricing-toggle-btn {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text-light);
  background: none;
  border: none;
  border-radius: calc(var(--radius-xl) - 4px);
  padding: 0.45rem 1rem;
  cursor: pointer;
  transition: background 200ms ease, color 200ms ease;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.pricing-toggle-btn.active {
  background: var(--color-primary);
  color: #fff;
  font-weight: var(--weight-semibold);
}
.pricing-toggle-btn:not(.active):hover {
  background: var(--color-surface);
}
.pricing-toggle-btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}
.pricing-save-badge {
  font-size: var(--text-xs);
  background: rgba(255, 255, 255, 0.25);
  border-radius: 999px;
  padding: 0.1rem 0.45rem;
  font-weight: var(--weight-medium);
}
.pricing-toggle-btn:not(.active) .pricing-save-badge {
  background: var(--color-primary);
  color: #fff;
}

/* Cards Grid */
.pricing-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-bottom: 2rem;
  align-items: start;
}

/* Card Base */
.pricing-card {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0;
  transition: box-shadow 200ms ease, transform 200ms ease;
}
.pricing-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

/* Featured Card */
.pricing-card--featured {
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  transform: translateY(-4px);
  border-color: var(--color-primary);
}
.pricing-card--featured:hover {
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  transform: translateY(-6px);
}

/* Badge */
.pricing-card-badge {
  position: absolute;
  top: -0.75rem;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-primary);
  color: #fff;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  border-radius: 999px;
  padding: 0.2rem 0.75rem;
  white-space: nowrap;
}

/* Eyebrow */
.pricing-card-eyebrow {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.3rem;
  display: block;
}

/* Plan Name */
.pricing-card-name {
  font-family: var(--font-diary);
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  color: var(--color-text);
  margin: 0 0 0.4rem;
  line-height: var(--leading-tight);
}

/* Value Prop */
.pricing-card-value {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-light);
  margin: 0 0 1rem;
  line-height: var(--leading-base);
}

/* Price */
.pricing-card-price {
  display: flex;
  align-items: baseline;
  gap: 0.15rem;
  margin-bottom: 1.25rem;
}
.pricing-card-amount {
  font-family: var(--font-diary);
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  font-weight: var(--weight-bold);
  color: var(--color-text);
  line-height: 1;
  transition: opacity 150ms ease;
}
.pricing-card-period {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* CTA Buttons */
.pricing-card-cta {
  width: 100%;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  border-radius: var(--radius-md);
  padding: 0.65rem 1rem;
  cursor: pointer;
  transition: background 200ms ease, box-shadow 200ms ease, transform 200ms ease;
  margin-bottom: 1.25rem;
}
.pricing-card-cta--current {
  background: var(--color-surface-warm);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  cursor: not-allowed;
  opacity: 0.8;
}
.pricing-card-cta--primary {
  background: var(--color-primary);
  border: none;
  color: #fff;
}
.pricing-card-cta--primary:hover {
  background: var(--color-primary-hover);
  box-shadow: 0 4px 12px rgba(194, 113, 79, 0.25);
}
.pricing-card-cta--primary:active {
  transform: scale(0.97);
}
.pricing-card-cta--primary:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Feature List */
.pricing-card-features {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}
.pricing-card-features li {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-light);
  padding-left: 1.4rem;
  position: relative;
  line-height: var(--leading-base);
}
.pricing-card-features li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: var(--weight-bold);
}

/* Reassurance text */
.pricing-reassurance {
  text-align: center;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin: 0 0 2.5rem;
}

/* FAQ */
.pricing-faq {
  max-width: 600px;
  margin: 0 auto;
}
.pricing-faq-title {
  font-family: var(--font-diary);
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
  color: var(--color-text);
  margin: 0 0 1rem;
}
.pricing-faq-item {
  border-bottom: 1px solid var(--color-border);
}
.pricing-faq-item summary {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text);
  padding: 0.85rem 0;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  transition: color 200ms ease;
}
.pricing-faq-item summary::-webkit-details-marker { display: none; }
.pricing-faq-item summary::after {
  content: "+";
  font-size: 1.1rem;
  font-weight: var(--weight-medium);
  color: var(--color-text-muted);
  flex-shrink: 0;
  transition: transform 200ms ease;
}
.pricing-faq-item[open] summary::after {
  transform: rotate(45deg);
}
.pricing-faq-item summary:hover {
  color: var(--color-primary);
}
.pricing-faq-item summary:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}
.pricing-faq-item p {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-light);
  line-height: var(--leading-relaxed);
  margin: 0 0 0.85rem;
}

/* Responsive */
@media (max-width: 1024px) {
  .pricing-cards {
    grid-template-columns: 1fr 1fr;
  }
  .pricing-card--featured {
    order: -1;
    transform: none;
  }
  .pricing-card--featured:hover {
    transform: none;
  }
}
@media (max-width: 560px) {
  .pricing-cards {
    grid-template-columns: 1fr;
  }
  .pricing-card:first-child {
    display: flex;
  }
  .pricing-card--featured {
    order: -1;
  }
  .pricing-title {
    padding: 0 2rem;
    font-size: var(--text-lg);
  }
}

/* Dark mode */
[data-theme="dark"] .pricing-card {
  background: var(--color-surface);
  border-color: var(--color-border);
}
[data-theme="dark"] .pricing-card--featured {
  box-shadow: var(--shadow-lg), 0 0 20px rgba(251, 146, 60, 0.12);
  border-color: var(--color-primary);
}
[data-theme="dark"] .pricing-toggle {
  background: var(--color-surface-warm);
  border-color: var(--color-border);
}
[data-theme="dark"] .pricing-toggle-btn.active {
  background: var(--color-primary);
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .pricing-card,
  .pricing-card--featured,
  .pricing-toggle-btn,
  .pricing-card-cta,
  .pricing-back-btn,
  .pricing-faq-item summary::after {
    transition: none;
  }
  .pricing-card--featured {
    transform: none;
  }
}