/* ==========================================================================
   MODALS & MOBILE BOTTOM SHEETS
   Agenda Semanal
   ========================================================================== */

/* Modal Container (Fixed Overlay) */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: var(--z-modal-backdrop);
  display: flex;
  align-items: flex-end; /* Bottom sheet by default on mobile */
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

/* Bottom Sheet / Modal Dialog */
.modal-dialog {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-medium);
  border-bottom: none;
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  box-shadow: var(--shadow-sheet);
  width: 100%;
  max-width: 600px;
  max-height: 90vh;
  max-height: 90dvh;
  display: flex;
  flex-direction: column;
  transform: translateY(100%);
  transition: transform var(--transition-slow);
  z-index: var(--z-modal);
  padding-bottom: max(16px, var(--safe-bottom));
  overflow: hidden;
}

.modal-overlay.active .modal-dialog {
  transform: translateY(0);
}

/* Drag / Handle Bar (Mobile Visual) */
.modal-handle-bar {
  width: 36px;
  height: 4px;
  border-radius: var(--radius-full);
  background-color: var(--border-strong);
  margin: 10px auto 4px auto;
  flex-shrink: 0;
}

/* Modal Header */
.modal-header {
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-subtle);
  flex-shrink: 0;
}

.modal-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
}

.modal-close-btn {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  background-color: var(--bg-surface-raised);
  border: 1px solid var(--border-subtle);
  font-size: 16px;
  transition: all var(--transition-fast);
}

.modal-close-btn:hover {
  color: var(--text-primary);
  background-color: var(--bg-surface-hover);
}

/* Modal Body */
.modal-body {
  padding: 18px 20px;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  flex: 1;
}

/* Modal Footer Actions */
.modal-footer {
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  border-top: 1px solid var(--border-subtle);
  flex-shrink: 0;
  background-color: var(--bg-surface);
}

/* Desktop Modal Centering */
@media (min-width: 640px) {
  .modal-overlay {
    align-items: center;
    padding: 24px;
  }

  .modal-dialog {
    border-radius: var(--radius-xl);
    border-bottom: 1px solid var(--border-medium);
    transform: scale(0.95) translateY(10px);
    max-height: 85vh;
    padding-bottom: 0;
  }

  .modal-overlay.active .modal-dialog {
    transform: scale(1) translateY(0);
  }

  .modal-handle-bar {
    display: none;
  }
}