:root {
  --z-content: 0;
  --z-dropdown: 1000;
  --z-modal-backdrop: 8000;
  --z-modal: 9000;
  --z-modal-popover: 9500;
  --z-toast: 10000;
  --z-critical-dialog: 11000;
  --leyga-error: #b42318;
  --leyga-error-bg: #fff4f2;
  --leyga-error-border: #f3b7b0;
  --leyga-success: #166534;
  --leyga-success-bg: #effcf3;
  --leyga-info: #155eef;
  --leyga-warning: #9a6700;
}

body.leyga-modal-open {
  overflow: hidden !important;
  overscroll-behavior: contain;
}

/* Filet de sécurité pour les anciens Toasts encore référencés par un écran. */
#toast.toast,
.toast[data-legacy-toast="true"] {
  position: fixed !important;
  z-index: var(--z-toast) !important;
  top: max(16px, env(safe-area-inset-top)) !important;
  right: 16px !important;
  bottom: auto !important;
  left: auto !important;
  transform: translateY(-12px) !important;
}
#toast.toast.show,
.toast[data-legacy-toast="true"].show {
  transform: translateY(0) !important;
}

#leyga-toast-viewport {
  position: fixed;
  z-index: var(--z-toast);
  top: max(16px, env(safe-area-inset-top));
  right: 16px;
  width: min(430px, calc(100vw - 32px));
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 10px;
  pointer-events: none;
}

.leyga-toast {
  pointer-events: auto;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 10px;
  align-items: start;
  border: 1px solid rgba(255, 255, 255, .26);
  border-radius: 12px;
  padding: 12px 12px 12px 14px;
  color: #fff;
  background: #1f2937;
  box-shadow: 0 18px 48px rgba(15, 23, 42, .28);
  opacity: 0;
  transform: translateY(-10px);
  transition: opacity .16s ease, transform .16s ease;
  overflow-wrap: anywhere;
}
.leyga-toast.is-visible { opacity: 1; transform: translateY(0); }
.leyga-toast.is-error { background: #991b1b; }
.leyga-toast.is-success { background: #166534; }
.leyga-toast.is-warning { background: #8a5b00; }
.leyga-toast.is-critical { z-index: var(--z-critical-dialog); }
.leyga-toast__icon { font-size: 1.05rem; line-height: 1.35; }
.leyga-toast__body { min-width: 0; }
.leyga-toast__title { display: block; margin-bottom: 2px; font-size: .92rem; font-weight: 800; }
.leyga-toast__message { display: block; white-space: pre-line; font-size: .84rem; line-height: 1.45; }
.leyga-toast__close {
  width: 30px;
  height: 30px;
  border: 0;
  border-radius: 8px;
  color: inherit;
  background: rgba(255, 255, 255, .13);
  cursor: pointer;
  font-size: 1rem;
}

.leyga-error-summary,
.leyga-api-error-alert {
  position: relative;
  margin: 0 0 16px;
  border: 1px solid var(--leyga-error-border);
  border-left: 4px solid var(--leyga-error);
  border-radius: 10px;
  background: var(--leyga-error-bg);
  color: #7a271a;
  padding: 13px 42px 13px 14px;
  box-shadow: 0 5px 18px rgba(180, 35, 24, .07);
}
.leyga-error-summary:focus,
.leyga-api-error-alert:focus { outline: 3px solid rgba(180, 35, 24, .22); outline-offset: 2px; }
.leyga-error-summary__title,
.leyga-api-error-alert__title { margin: 0 0 5px; font-size: .95rem; font-weight: 850; }
.leyga-error-summary__message,
.leyga-api-error-alert__message { margin: 0; font-size: .84rem; line-height: 1.5; white-space: pre-line; }
.leyga-error-summary__meta { margin-top: 6px; color: #9a3412; font-size: .75rem; }
.leyga-error-summary__list { margin: 9px 0 0; padding-left: 18px; display: grid; gap: 5px; }
.leyga-error-summary__list a { color: #912018; font-weight: 750; text-decoration: underline; text-underline-offset: 2px; }
.leyga-error-summary__close,
.leyga-api-error-alert__close {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 28px;
  height: 28px;
  border: 0;
  border-radius: 7px;
  color: #7a271a;
  background: rgba(180, 35, 24, .08);
  cursor: pointer;
}

.leyga-field-error {
  display: flex;
  align-items: flex-start;
  gap: 6px;
  margin-top: 5px;
  color: var(--leyga-error);
  font-size: .76rem;
  font-weight: 700;
  line-height: 1.4;
}
.leyga-field-error::before { content: "⚠"; flex: 0 0 auto; }
.leyga-field-invalid,
[aria-invalid="true"] {
  border-color: var(--leyga-error) !important;
  box-shadow: 0 0 0 3px rgba(180, 35, 24, .12) !important;
}

.leyga-operation-loading {
  position: relative;
  cursor: wait !important;
  opacity: .72;
}
.leyga-operation-loading::after {
  content: "";
  width: 13px;
  height: 13px;
  margin-left: 8px;
  display: inline-block;
  vertical-align: -2px;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: leyga-spin .7s linear infinite;
}
@keyframes leyga-spin { to { transform: rotate(360deg); } }

/* Les fenêtres et leurs éléments flottants partagent une hiérarchie globale. */
dialog::backdrop,
.modal-backdrop,
.hr15-detail-backdrop,
[data-modal-backdrop] { z-index: var(--z-modal-backdrop) !important; }

dialog[open],
[role="dialog"][aria-modal="true"],
.hr25-dialog,
.hr21-dialog,
.hr15-detail-panel,
.modal.is-open,
.modal.show,
.drawer.is-open,
[data-modal-open="true"] { z-index: var(--z-modal) !important; }

[role="listbox"],
.popover,
.dropdown-menu,
.datepicker,
.flatpickr-calendar,
.ui-datepicker,
.choices__list--dropdown,
.select2-container--open,
[data-popover],
[data-floating-ui-portal] { z-index: var(--z-modal-popover) !important; }

.leyga-critical-dialog { z-index: var(--z-critical-dialog) !important; }

/* Corps défilable, en-tête et pied accessibles dans les modales longues. */
.hr25-dialog,
.hr21-dialog,
[role="dialog"][aria-modal="true"],
dialog[open] { max-height: 96vh; }
.hr25-dialog > header,
.hr21-dialog > header,
[role="dialog"][aria-modal="true"] > header { position: sticky; top: 0; z-index: 2; }
.hr25-dialog > footer,
.hr21-dialog > footer,
[role="dialog"][aria-modal="true"] > footer { position: sticky; bottom: 0; z-index: 2; }
.hr25-dialog-body,
.hr21-dialog-body,
.modal-body,
.drawer-body,
[data-modal-body] { overscroll-behavior: contain; }

@media (max-width: 640px) {
  #leyga-toast-viewport {
    top: max(10px, env(safe-area-inset-top));
    left: 10px;
    right: 10px;
    width: auto;
  }
  #toast.toast,
  .toast[data-legacy-toast="true"] {
    top: max(10px, env(safe-area-inset-top)) !important;
    left: 10px !important;
    right: 10px !important;
    width: auto !important;
  }
  .leyga-toast { border-radius: 11px; }
  .leyga-error-summary,
  .leyga-api-error-alert { padding-left: 12px; }
}

@media (prefers-reduced-motion: reduce) {
  .leyga-toast,
  .leyga-operation-loading::after { transition: none; animation-duration: 1.4s; }
}