/* ============================================================
   PHOTO SQUARE — Reusable Components
   ============================================================ */

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  min-height: 48px;
  padding: 0.75rem 2rem;
  border-radius: var(--radius-full);
  font-family: 'DM Sans', sans-serif;
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-out-expo);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn--primary {
  background: var(--royal-blue);
  color: var(--white);
  box-shadow: var(--shadow-blue);
}
.btn--primary:hover {
  background: var(--royal-blue-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(26,58,107,0.35);
}

.btn--gold {
  background: var(--gradient-gold);
  color: var(--charcoal);
  box-shadow: var(--shadow-gold);
  font-weight: 700;
}
.btn--gold::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.3) 50%, transparent 100%);
  background-size: 200% 100%;
  background-position: -200% center;
  transition: background-position 0.6s ease;
}
.btn--gold:hover::before {
  background-position: 200% center;
}
.btn--gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(201,168,76,0.4);
}

.btn--outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.7);
}
.btn--outline:hover {
  background: rgba(255,255,255,0.12);
  border-color: var(--white);
  transform: translateY(-2px);
}

.btn--outline-blue {
  background: transparent;
  color: var(--royal-blue);
  border: 2px solid var(--royal-blue);
}
.btn--outline-blue:hover {
  background: var(--royal-blue);
  color: var(--white);
  transform: translateY(-2px);
}

.btn--full { width: 100%; }

.btn--lg {
  min-height: 56px;
  padding: 1rem 2.5rem;
  font-size: var(--text-base);
}

/* ── Badge ── */
.badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.badge--gold {
  background: rgba(201,168,76,0.15);
  color: var(--gold);
  border: 1px solid rgba(201,168,76,0.3);
}

.badge--blue {
  background: rgba(26,58,107,0.1);
  color: var(--royal-blue);
  border: 1px solid rgba(26,58,107,0.2);
}

/* ── Card ── */
.card {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: all var(--duration-normal) var(--ease-out-expo);
}
.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

/* ── Stars ── */
.stars {
  color: var(--gold);
  font-size: var(--text-lg);
  letter-spacing: 2px;
}

/* ── Loading Spinner ── */
.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--gray-100);
  border-top-color: var(--royal-blue);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.spinner--gold {
  border-top-color: var(--gold);
}

/* ── Divider ── */
.divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  opacity: 0.4;
  margin: var(--space-xl) 0;
}

/* ── Overlay ── */
.overlay {
  position: fixed;
  inset: 0;
  background: rgba(10,9,8,0.9);
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-normal) ease;
}

.overlay.active {
  opacity: 1;
  pointer-events: all;
}

/* ── Form Elements ── */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  margin-bottom: var(--space-lg);
}

.form-group label {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--gray-500);
  letter-spacing: 0.02em;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  min-height: 48px;
  padding: 0.75rem 1rem;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  color: var(--charcoal);
  background: var(--white);
  transition: border-color var(--duration-fast) ease, box-shadow var(--duration-fast) ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--royal-blue);
  box-shadow: 0 0 0 3px rgba(26,58,107,0.12);
}

.form-group input.error,
.form-group textarea.error,
.form-group select.error {
  border-color: var(--error);
  box-shadow: 0 0 0 3px rgba(198,40,40,0.1);
}

.form-group .error-msg {
  font-size: var(--text-xs);
  color: var(--error);
  display: none;
}

.form-group.has-error .error-msg { display: block; }

.form-group textarea {
  resize: vertical;
  min-height: 120px;
  line-height: 1.6;
}

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23787470' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
  cursor: pointer;
}