/* =========================================
   BRIGHTSMILE DENTAL — MODAL
   Overlay + modal dialog
   ========================================= */

/* ── Emergency Banner ── */
.emergency-banner {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--banner-height);
  background-color: #DC2626;
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-banner);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  gap: var(--space-2);
  padding-inline: var(--space-3);
}

.emergency-banner.is-hidden {
  display: none;
}

.emergency-banner__text {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  flex-wrap: wrap;
}

.emergency-banner__phone {
  font-weight: var(--weight-bold);
  color: var(--color-white);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.emergency-banner__phone:hover {
  color: rgba(255, 255, 255, 0.85);
}

.emergency-banner__close {
  position: absolute;
  right: var(--space-3);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-circle);
  background: rgba(255, 255, 255, 0.15);
  border: none;
  color: var(--color-white);
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.emergency-banner__close:hover {
  background: rgba(255, 255, 255, 0.25);
}

.emergency-banner__close:focus-visible {
  outline: 2px solid rgba(255, 255, 255, 0.80);
  outline-offset: 2px;
}

/* ── Modal Overlay ── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(10, 18, 36, 0.60);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
  padding: var(--space-3);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-base) var(--ease-default);
}

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

/* ── Modal Dialog ── */
.modal {
  background-color: var(--color-white);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-2xl);
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  position: relative;
  transform: scale(0.94) translateY(8px);
  transition:
    transform var(--duration-base) var(--ease-spring),
    opacity var(--duration-base) var(--ease-default);
  opacity: 0;
}

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

.modal--sm { max-width: 420px; }
.modal--lg { max-width: 720px; }

.modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-4) var(--space-3);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  background: var(--color-white);
  z-index: 1;
}

.modal__title {
  font-family: var(--font-heading);
  font-size: var(--h4-size);
  color: var(--color-navy);
}

.modal__close {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-circle);
  border: none;
  background-color: var(--color-light-gray);
  color: var(--color-text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition:
    background-color var(--transition-fast),
    color var(--transition-fast);
  flex-shrink: 0;
}

.modal__close:hover {
  background-color: var(--color-soft-blue);
  color: var(--color-navy);
}

.modal__close:focus-visible {
  outline: 2px solid var(--color-teal);
  outline-offset: 2px;
}

.modal__body {
  padding: var(--space-4);
  overflow-y: auto;
  flex: 1;
}

.modal__footer {
  padding: var(--space-3) var(--space-4) var(--space-4);
  border-top: 1px solid var(--color-border);
  display: flex;
  gap: var(--space-2);
  justify-content: flex-end;
}

/* ── Lightbox variant ── */
.modal--lightbox {
  max-width: 900px;
  background-color: var(--color-navy-dark);
  border-radius: var(--radius-xl);
}

.modal--lightbox .modal__header {
  background-color: var(--color-navy-dark);
  border-bottom-color: rgba(255, 255, 255, 0.10);
}

.modal--lightbox .modal__title {
  color: var(--color-white);
}

.modal--lightbox .modal__close {
  background-color: rgba(255, 255, 255, 0.10);
  color: var(--color-white);
}

.modal--lightbox .modal__close:hover {
  background-color: rgba(255, 255, 255, 0.20);
}

.modal--lightbox .modal__body {
  padding: 0;
}

/* ── Toast Notification ── */
.toast {
  position: fixed;
  bottom: var(--space-4);
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background-color: var(--color-navy);
  color: var(--color-white);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-xl);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  z-index: var(--z-toast);
  opacity: 0;
  transition:
    transform var(--duration-base) var(--ease-spring),
    opacity var(--duration-base) var(--ease-default);
  white-space: nowrap;
  pointer-events: none;
}

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

.toast--success {
  background-color: var(--color-success);
}

.toast--error {
  background-color: var(--color-error);
}