/* ============================================
   Modal Component
   ============================================ */

.modal {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

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

.modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
}

.modal__content {
  position: relative;
  width: 100%;
  max-width: 480px;
  max-height: 90vh;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transform: scale(0.9) translateY(10px);
  transition: transform var(--transition-spring);
}

.modal.is-open .modal__content {
  transform: scale(1) translateY(0);
}

.modal__content--sm {
  max-width: 360px;
}

.modal__content--lg {
  max-width: 640px;
}

/* ---- Header ---- */
.modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--border-color);
}

.modal__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
}

.modal__close {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: all var(--transition-fast);
  cursor: pointer;
  background: none;
  border: none;
}

.modal__close:hover {
  background: var(--bg-elevated);
  color: var(--text-primary);
}

.modal__close .icon {
  width: 20px;
  height: 20px;
}

/* ---- Body ---- */
.modal__body {
  padding: var(--space-6);
  overflow-y: auto;
}

/* ---- Footer ---- */
.modal__footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--border-color);
}

/* ---- Reward Modal Variant ---- */
.modal--reward .modal__body {
  text-align: center;
  padding: var(--space-8) var(--space-6);
}

.modal__reward-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-4);
  color: var(--color-gold);
  animation: bounceIn 500ms ease;
}

.modal__reward-amount {
  font-family: var(--font-mono);
  font-size: var(--text-4xl);
  font-weight: var(--weight-bold);
  color: var(--color-gold);
  margin-bottom: var(--space-2);
}

.modal__reward-text {
  font-size: var(--text-sm);
  color: var(--text-secondary);
}