.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  min-width: 140px;
  padding: 0.75rem 1.75rem;
  font-family: var(--font-serif);
  font-size: var(--fs-h3);
  font-weight: 700;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  transition: all var(--t-base) ease;
  letter-spacing: 0.05em;
  white-space: nowrap;
  text-align: center;
}

.btn--cta {
  background: linear-gradient(135deg, var(--color-temple-red) 0%, var(--color-temple-red-deep) 100%);
  color: var(--color-paper);
  border-color: var(--color-temple-gold);
  box-shadow: var(--shadow-temple);
  padding: 1rem 3rem;
  font-size: clamp(1.2rem, 2.5vw, 1.5rem);
  position: relative;
  overflow: hidden;
}

.btn--cta::before {
  content: '';
  position: absolute;
  inset: 4px;
  border: 1px solid rgba(212, 175, 55, 0.5);
  border-radius: 6px;
  pointer-events: none;
}

.btn--cta:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 12px 40px rgba(212, 175, 55, 0.55);
}

.btn--cta:active {
  transform: translateY(0) scale(0.98);
}

.btn--primary {
  background: var(--color-ocean);
  color: var(--color-paper);
  border-color: var(--color-temple-gold);
}

.btn--primary:hover {
  background: var(--color-bg-blue-light);
}

.btn--secondary {
  background: transparent;
  color: var(--color-paper);
  border-color: var(--color-mist);
}

.btn--secondary:hover {
  background: rgba(255, 255, 255, 0.1);
}

.btn--ghost {
  background: transparent;
  color: var(--color-text-soft);
  border-color: transparent;
  min-width: auto;
  padding: 0.5rem 1rem;
}

.btn--ghost:hover {
  color: var(--color-paper);
  background: rgba(255, 255, 255, 0.05);
}

.btn--icon {
  min-width: auto;
  width: 44px;
  height: 44px;
  padding: 0;
  border-radius: 50%;
}

.field {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  text-align: left;
}

.field__label {
  font-size: var(--fs-small);
  font-weight: 700;
  color: var(--color-paper);
  letter-spacing: 0.05em;
}

.field__label .required {
  color: var(--color-temple-red);
  margin-left: 0.25rem;
}

.field__input {
  width: 100%;
  padding: 0.75rem 1rem;
  background: rgba(255, 255, 255, 0.95);
  color: var(--color-text-dark);
  border: 2px solid transparent;
  border-radius: var(--radius-sm);
  transition: border-color var(--t-fast) ease;
}

.field__input:focus {
  outline: none;
  border-color: var(--color-temple-gold);
}

.field__input--error {
  border-color: var(--color-temple-red);
}

.field__error {
  font-size: 0.8rem;
  color: var(--color-temple-red);
  min-height: 1.2em;
}

.field__hint {
  font-size: 0.8rem;
  color: var(--color-text-soft);
}

.card {
  background: var(--color-paper);
  color: var(--color-text-dark);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  box-shadow: var(--shadow-md);
}

.card--paper {
  background:
    repeating-linear-gradient(45deg, transparent, transparent 30px, rgba(180, 150, 100, 0.04) 30px, rgba(180, 150, 100, 0.04) 60px),
    var(--color-paper-aged);
  border: 1px solid rgba(180, 150, 100, 0.3);
}

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10, 25, 41, 0.75);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
  padding: var(--space-md);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.22s ease;
}

.modal-overlay.is-open {
  opacity: 1;
  pointer-events: auto;
}

.modal {
  background: linear-gradient(135deg, var(--color-ocean) 0%, var(--color-bg-deep) 100%);
  color: var(--color-paper);
  border: 2px solid var(--color-temple-gold);
  border-radius: var(--radius-md);
  padding: var(--space-xl) var(--space-lg);
  max-width: 480px;
  width: 100%;
  max-height: 90vh;
  max-height: 90dvh;
  overflow-y: auto;
  position: relative;
  box-shadow: var(--shadow-lg);
}

.modal::-webkit-scrollbar { width: 6px; }
.modal::-webkit-scrollbar-thumb { background: rgba(212, 175, 55, 0.4); border-radius: 3px; }

.modal--scrollable {
  max-height: 85vh;
  overflow-y: auto;
}
.modal--scrollable::-webkit-scrollbar { width: 8px; }
.modal--scrollable::-webkit-scrollbar-track { background: rgba(0, 0, 0, 0.2); border-radius: 4px; }
.modal--scrollable::-webkit-scrollbar-thumb { background: rgba(212, 175, 55, 0.4); border-radius: 4px; }
.modal--scrollable::-webkit-scrollbar-thumb:hover { background: rgba(212, 175, 55, 0.6); }

.modal__close {
  position: absolute;
  top: var(--space-xs);
  right: var(--space-xs);
  width: 44px;
  height: 44px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-soft);
  background: transparent;
  border: 1px solid rgba(212, 175, 55, 0.3);
  border-radius: 50%;
  transition: all var(--t-fast) ease;
  cursor: pointer;
}

.modal__close svg {
  width: 16px;
  height: 16px;
  display: block;
}

.modal__close:hover {
  color: var(--color-paper);
  background: rgba(212, 175, 55, 0.15);
  border-color: var(--color-temple-gold);
}

.modal__title {
  font-size: var(--fs-h2);
  text-align: center;
  margin-bottom: var(--space-xs);
  color: var(--color-temple-gold);
}

.modal__subtitle {
  text-align: center;
  font-size: var(--fs-small);
  color: var(--color-text-soft);
  margin-bottom: var(--space-lg);
}

.modal__actions {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  margin-top: var(--space-lg);
}

.toast {
  position: fixed;
  bottom: var(--space-lg);
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--color-ink);
  color: var(--color-paper);
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  z-index: var(--z-toast);
  opacity: 0;
  transition: all var(--t-base) ease;
}

.toast.is-open {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

.toast--error { background: var(--color-temple-red-deep); }
.toast--success { background: var(--color-success); }