/* ==========================================================================
   Module: Modal
   ========================================================================== */

.modal {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  /* Visibility controlled by hidden attr + animation */
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.modal:not([hidden]) {
  opacity: 1;
  visibility: visible;
}

/* Backdrop */
.modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.80);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

/* Dialog */
.modal__dialog {
  position: relative;
  background: #f8f9fa; /* Lighter grey background */
  border: 1px solid #e2e8f0;
  border-radius: var(--radius-xl);
  width: 100%;
  max-height: calc(100vh - var(--space-8));
  overflow-y: auto;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  transform: translateY(20px) scale(0.97);
  transition: transform var(--transition-base);
  scrollbar-width: thin;
  scrollbar-color: #cbd5e0 transparent;
}

.modal:not([hidden]) .modal__dialog {
  transform: translateY(0) scale(1);
}

/* Sizes */
.modal--sm .modal__dialog  { max-width: 400px; }
.modal--md .modal__dialog  { max-width: 600px; }
.modal--lg .modal__dialog  { max-width: 800px; }
.modal--xl .modal__dialog  { max-width: 1000px; }

/* Header */
.modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid #e2e8f0;
}

.modal__title {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: #1a202c; /* Darker text for light bg */
}

/* Close button */
.modal__close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: transparent;
  border: none;
  color: #718096;
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
  flex-shrink: 0;
}

.modal__close:hover {
  background: #edf2f7;
  color: #1a202c;
}

.modal__close--floating {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  z-index: 1;
  background: white;
  border: 1px solid #e2e8f0;
}

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

/* When modal has no header, body padding adjusts for floating close btn */
.modal__dialog:has(.modal__close--floating) .modal__body {
  padding-top: var(--space-4);
}

/* Responsive */
@media (max-width: 767px) {
  .modal {
    align-items: flex-end;
    padding: 0;
  }

  .modal__dialog {
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    max-height: 90vh;
    transform: translateY(40px);
  }

  .modal:not([hidden]) .modal__dialog {
    transform: translateY(0);
  }

  .modal__body { padding: var(--space-5); }
}