/* Platform UI — CSS custom properties for theming. */
:root {
  --toast-info-bg: #e0f2fe;
  --toast-info-text: #0c4a6e;
  --toast-info-border: #38bdf8;
  --toast-success-bg: #dcfce7;
  --toast-success-text: #14532d;
  --toast-success-border: #4ade80;
  --toast-warning-bg: #fef9c3;
  --toast-warning-text: #713f12;
  --toast-warning-border: #facc15;
  --toast-error-bg: #fee2e2;
  --toast-error-text: #7f1d1d;
  --toast-error-border: #f87171;
  --toast-radius: 0.375rem;
  --toast-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  --toast-max-width: 28rem;

  --drawer-width: 24rem;
  --drawer-bg: #fff;
  --drawer-shadow: -4px 0 12px rgba(0, 0, 0, 0.1);
  --drawer-overlay: rgba(0, 0, 0, 0.3);

  --modal-bg: #fff;
  --modal-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
  --modal-overlay: rgba(0, 0, 0, 0.4);
  --modal-radius: 0.5rem;
  --modal-max-width: 32rem;

  --field-error-color: #dc2626;
}

/* --- Toast notifications --- */
#toasts {
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border-left: 4px solid;
  border-radius: var(--toast-radius);
  box-shadow: var(--toast-shadow);
  max-width: var(--toast-max-width);
  animation: toast-in 0.3s ease-out;
}

.toast-info {
  background: var(--toast-info-bg);
  color: var(--toast-info-text);
  border-color: var(--toast-info-border);
}

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

.toast-warning {
  background: var(--toast-warning-bg);
  color: var(--toast-warning-text);
  border-color: var(--toast-warning-border);
}

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

.toast-close {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.25rem;
  line-height: 1;
  opacity: 0.6;
  padding: 0 0.25rem;
  color: inherit;
}
.toast-close:hover {
  opacity: 1;
}

@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateX(1rem);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* --- Drawer --- */
.drawer-overlay {
  position: fixed;
  inset: 0;
  background: var(--drawer-overlay);
  z-index: 8000;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s, visibility 0.2s;
}
.drawer-overlay.open {
  opacity: 1;
  visibility: visible;
}

.drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: var(--drawer-width);
  max-width: 90vw;
  background: var(--drawer-bg);
  box-shadow: var(--drawer-shadow);
  z-index: 8001;
  transform: translateX(100%);
  transition: transform 0.3s ease;
  overflow-y: auto;
}
.drawer.open {
  transform: translateX(0);
}

.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem;
  border-bottom: 1px solid #e5e7eb;
}

.drawer-body {
  padding: 1rem;
}

.drawer-close {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.5rem;
  line-height: 1;
  padding: 0.25rem;
  color: #6b7280;
}
.drawer-close:hover {
  color: #111;
}

/* --- Modal --- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: var(--modal-overlay);
  z-index: 9000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s, visibility 0.2s;
}
.modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--modal-bg);
  border-radius: var(--modal-radius);
  box-shadow: var(--modal-shadow);
  max-width: var(--modal-max-width);
  width: 90vw;
  max-height: 85vh;
  overflow-y: auto;
  transform: scale(0.95);
  transition: transform 0.2s ease;
}
.modal-overlay.open .modal {
  transform: scale(1);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid #e5e7eb;
}

.modal-body {
  padding: 1.25rem;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
  padding: 1rem 1.25rem;
  border-top: 1px solid #e5e7eb;
}

.modal-close {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.5rem;
  line-height: 1;
  padding: 0.25rem;
  color: #6b7280;
}
.modal-close:hover {
  color: #111;
}

/* --- Form errors --- */
.field-error {
  display: block;
  color: var(--field-error-color);
  font-size: 0.875rem;
  margin-top: 0.25rem;
}

.input-error {
  border-color: var(--field-error-color) !important;
}