/* ============================================================================
 * modal.css — PR 4
 * Contrato 02 §5. Modal centrado com overlay, panel, footer.
 * Em < 640px JS delega para bottom-sheet.
 * ========================================================================== */

.modal {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  font-family: var(--font-body);
}

.modal__overlay {
  position: absolute;
  inset: 0;
  background: rgba(15, 17, 20, 0.55);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  animation: mp-modal-overlay-in var(--transition-base) ease forwards;
}

.modal__panel {
  position: relative;
  background: var(--bg-elev);
  color: var(--text-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-modal);
  width: 100%;
  max-width: 480px;
  max-height: calc(100dvh - var(--space-8));
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: mp-modal-panel-in var(--transition-base) ease forwards;
}

.modal--sm .modal__panel { max-width: 360px; }
.modal--md .modal__panel { max-width: 480px; }
.modal--lg .modal__panel { max-width: 720px; }
.modal--full .modal__panel { max-width: 100%; max-height: 100dvh; border-radius: 0; }

.modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--border-subtle);
}

.modal__title {
  font-family: var(--font-title);
  font-weight: var(--fw-semibold);
  font-size: var(--fs-lg);
  line-height: var(--lh-tight);
  margin: 0;
}

.modal__close {
  appearance: none;
  background: transparent;
  border: 0;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-pill);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-secondary);
  font-size: var(--fs-md);
  transition: background-color var(--transition-base);
}
.modal__close:hover { background: var(--bg-muted); color: var(--text-primary); }
.modal__close:focus { outline: none; }
.modal__close:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.modal__body {
  padding: var(--space-5);
  overflow-y: auto;
  flex: 1 1 auto;
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  line-height: var(--lh-normal);
}

.modal__footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-5);
  border-top: 1px solid var(--border-subtle);
  background: var(--bg);
  flex-wrap: wrap;
}

@keyframes mp-modal-overlay-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes mp-modal-panel-in {
  from { opacity: 0; transform: translateY(8px) scale(0.98); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

@media (prefers-reduced-motion: reduce) {
  .modal__overlay,
  .modal__panel {
    animation: none;
  }
}