/* ============================================================
   GCG Design System V1 — Modal / Toast
   Spec: GCG_DESIGN_SYSTEM_V1.md §32-33
   ============================================================ */

.gcg-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.70);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--gcg-space-4);
  z-index: 1000;
}

.gcg-modal {
  width: 100%;
  max-width: 480px;
  max-height: 90vh;
  overflow-y: auto;
  background: var(--gcg-surface);
  border: 1px solid var(--gcg-border-strong);
  border-radius: var(--gcg-radius-md);
  box-shadow: var(--gcg-shadow-elevated);
}
.gcg-modal--lg { max-width: 720px; }

.gcg-modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--gcg-space-5) var(--gcg-space-6);
  border-bottom: 1px solid var(--gcg-divider);
}
.gcg-modal__title { font-family: var(--gcg-font-display); font-size: var(--gcg-text-lg); font-weight: 600; }
.gcg-modal__close {
  width: 32px; height: 32px; border-radius: var(--gcg-radius-sm);
  border: none; background: transparent; color: var(--gcg-text-secondary);
  display: flex; align-items: center; justify-content: center; cursor: pointer;
}
.gcg-modal__close:hover { background: var(--gcg-surface-raised); color: var(--gcg-text); }

.gcg-modal__body { padding: var(--gcg-space-6); }

.gcg-modal__footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--gcg-space-3);
  padding: var(--gcg-space-5) var(--gcg-space-6);
  border-top: 1px solid var(--gcg-divider);
}

/* ---- Toast ---- */
.gcg-toast-stack {
  position: fixed;
  bottom: var(--gcg-space-6);
  right: var(--gcg-space-6);
  display: flex;
  flex-direction: column;
  gap: var(--gcg-space-2);
  z-index: 1100;
}
.gcg-toast {
  display: flex;
  align-items: center;
  gap: var(--gcg-space-3);
  min-width: 260px;
  max-width: 360px;
  padding: var(--gcg-space-3) var(--gcg-space-4);
  border-radius: var(--gcg-radius-sm);
  background: var(--gcg-surface-raised);
  border: 1px solid var(--gcg-border-strong);
  box-shadow: var(--gcg-shadow);
  font-size: var(--gcg-text-sm);
  color: var(--gcg-text);
}
.gcg-toast--success { border-color: rgba(34,197,94,.35); }
.gcg-toast--warning { border-color: rgba(244,166,42,.35); }
.gcg-toast--error { border-color: rgba(239,68,68,.35); }
.gcg-toast__icon { flex: none; width: 18px; height: 18px; }
.gcg-toast--success .gcg-toast__icon { color: var(--gcg-success); }
.gcg-toast--warning .gcg-toast__icon { color: var(--gcg-warning); }
.gcg-toast--error .gcg-toast__icon { color: var(--gcg-danger); }