/* ==========================================================================
   Components — SBS 아카데미 뷰티스타일
   공통 컴포넌트: 버튼, 카드, 탭, 배지, 태그 등
   ========================================================================== */

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius-pill);
  font-family: var(--font-primary);
  font-size: var(--fs-body);
  font-weight: var(--fw-bold);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-base);
  border: 2px solid transparent;
  line-height: 1;
}

.btn--primary {
  background: var(--color-primary);
  color: var(--color-text-white);
  box-shadow: var(--shadow-button);
}
.btn--primary:hover {
  transform: scale(1.04);
  background: var(--color-primary-dark);
}

.btn--outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn--outline:hover {
  background: var(--color-primary);
  color: var(--color-text-white);
}

.btn--outline-white {
  background: transparent;
  color: #fff;
  border-color: #fff;
}
.btn--outline-white:hover {
  background: #fff;
  color: var(--color-primary);
}

.btn--gradient {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent-orange));
  color: #fff;
  border: none;
  box-shadow: var(--shadow-button);
}
.btn--gradient:hover {
  transform: scale(1.04);
  opacity: 0.95;
}

.btn--lg {
  padding: 18px 40px;
  font-size: 18px;
}

/* Button pulse animation */
@keyframes pulse-pink {
  0%, 100% { box-shadow: 0 0 0 0 rgba(233, 30, 140, 0.4); }
  50% { box-shadow: 0 0 0 12px rgba(233, 30, 140, 0); }
}
.btn--pulse {
  animation: pulse-pink 2s ease-in-out infinite;
}

/* ---------- Cards ---------- */
.card {
  background: #fff;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: all var(--transition-base);
}
.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
}

/* Glassmorphism card */
.glass-card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-xl);
}

@supports not (backdrop-filter: blur(10px)) {
  .glass-card {
    background: rgba(255, 255, 255, 0.85);
  }
}

/* ---------- Tabs ---------- */
.tab-group {
  display: flex;
  gap: 4px;
  padding: 4px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.1);
}

.tab-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 12px;
  font-size: var(--fs-small);
  font-weight: var(--fw-bold);
  color: rgba(255, 255, 255, 0.7);
  background: transparent;
  cursor: pointer;
  transition: all var(--transition-base);
  border: none;
  white-space: nowrap;
}
.tab-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
}
.tab-btn.active {
  background: #fff;
  color: var(--color-primary);
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

/* Light background tabs */
.tab-group--light {
  background: rgba(0, 0, 0, 0.03);
  border: 1px solid rgba(0,0,0,0.06);
}
.tab-group--light .tab-btn {
  color: var(--color-text-mid);
}
.tab-group--light .tab-btn:hover {
  background: rgba(233, 30, 140, 0.05);
  color: var(--color-primary);
}
.tab-group--light .tab-btn.active {
  background: rgba(233, 30, 140, 0.08);
  color: var(--color-primary);
  border-bottom: 3px solid var(--color-primary);
}

/* Tab panels */
.tab-panel {
  display: none;
  opacity: 0;
  transition: opacity 250ms ease;
}
.tab-panel.active {
  display: block;
  opacity: 1;
}

/* ---------- Badges / Pills ---------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  font-size: var(--fs-small);
  font-weight: var(--fw-bold);
  white-space: nowrap;
  transition: all var(--transition-base);
}

.badge--pink,
.badge--mint,
.badge--yellow {
  background: rgba(30, 30, 40, 0.65);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

/* ---------- Stars ---------- */
.stars {
  display: flex;
  align-items: center;
  gap: 2px;
  color: var(--color-accent-yellow);
  font-size: 14px;
}

/* ---------- Divider SVGs ---------- */
.wave-divider {
  position: absolute;
  left: 0;
  width: 100%;
  overflow: hidden;
  line-height: 0;
}
.wave-divider--top { top: 0; }
.wave-divider--bottom { bottom: 0; }
.wave-divider svg {
  display: block;
  width: calc(100% + 2px);
  height: 60px;
}

/* ---------- Form Elements ---------- */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}

.form-label {
  font-size: 13px;
  font-weight: var(--fw-bold);
  letter-spacing: 0.02em;
  color: var(--color-text-mid);
  margin-bottom: 2px;
}

.form-select,
.form-input {
  width: 100%;
  padding: 14px 16px;
  background: #f8f8f8;
  border: 2px solid transparent;
  border-radius: 12px;
  font-size: 16px;
  color: var(--color-text-dark);
  transition: border-color var(--transition-fast);
  appearance: none;
}
.form-select:focus,
.form-input:focus {
  outline: none;
  border-color: var(--color-primary);
  background: #fff;
}

.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath fill='%236B7280' d='M1.41 0L6 4.58 10.59 0 12 1.41l-6 6-6-6z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
}

.form-error {
  font-size: 13px;
  color: #EF4444;
  display: none;
}
.form-group.has-error .form-select,
.form-group.has-error .form-input {
  border-color: #EF4444;
}
.form-group.has-error .form-error {
  display: block;
}

/* ---------- Lightbox ---------- */
.lightbox-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  background: rgba(0, 0, 0, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 300ms ease;
}
.lightbox-overlay.active {
  opacity: 1;
}

.lightbox-img {
  max-width: 90vw;
  max-height: 90vh;
  object-fit: contain;
  border-radius: 8px;
}

.lightbox-close,
.lightbox-prev,
.lightbox-next {
  position: absolute;
  background: rgba(255,255,255,0.15);
  color: #fff;
  border: none;
  border-radius: 50%;
  width: 48px;
  height: 48px;
  font-size: 24px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast);
}
.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover {
  background: var(--color-primary);
}

.lightbox-close { top: 20px; right: 20px; }
.lightbox-prev { left: 20px; top: 50%; transform: translateY(-50%); }
.lightbox-next { right: 20px; top: 50%; transform: translateY(-50%); }

.lightbox-counter {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255,255,255,0.7);
  font-size: 14px;
  font-weight: var(--fw-semibold);
}

/* ---------- Marquee ---------- */
.marquee-container {
  overflow: hidden;
  position: relative;
}

.marquee-track {
  display: flex;
  gap: 0;
  width: max-content;
  animation: marquee-scroll 80s linear infinite;
  will-change: transform;
}

@keyframes marquee-scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.marquee-track:hover {
  animation-play-state: paused;
}

.marquee-track + .marquee-track {
  margin-top: 12px;
}

.marquee-track--row2 {
  animation-duration: 85s;
}

.marquee-pill {
  display: inline-flex;
  align-items: center;
  padding: 10px 24px;
  margin-right: 16px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  font-size: 16px;
  font-weight: var(--fw-bold);
  color: #fff;
  white-space: nowrap;
  flex-shrink: 0;
}

/* ---------- Particles ---------- */
.particle {
  position: absolute;
  width: 6px;
  height: 6px;
  background: #fff;
  border-radius: 50%;
  opacity: 0;
  pointer-events: none;
  animation: particle-float ease-in-out infinite;
}

@keyframes particle-float {
  0%, 100% { opacity: 0; transform: translateY(0) scale(1); }
  50% { opacity: 0.7; transform: translateY(-20px) scale(1.2); }
}

/* ---------- Mobile CTA ---------- */
.mobile-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: var(--z-mobile-cta);
  padding: 12px 20px;
  background: #fff;
  box-shadow: 0 -4px 20px rgba(0,0,0,0.1);
  transform: translateY(100%);
  transition: transform 300ms ease;
}
.mobile-cta.visible {
  transform: translateY(0);
}
.mobile-cta .btn {
  width: 100%;
}

/* ---------- Success Toast ---------- */
.toast {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.9);
  z-index: var(--z-modal);
  background: #fff;
  border-radius: var(--radius-xl);
  padding: 40px;
  text-align: center;
  box-shadow: 0 20px 60px rgba(0,0,0,0.2);
  opacity: 0;
  transition: all 300ms ease;
}
.toast.active {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}
.toast-overlay {
  position: fixed;
  inset: 0;
  z-index: calc(var(--z-modal) - 1);
  background: rgba(0,0,0,0.4);
}