/* =============================================================================
   modal.css — Modal System Styles for Optic Up
   Standalone — no @import. Uses CSS variables from variables.css.
   ============================================================================= */

/* --- 1. Overlay --- */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal, 1000);
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.5);
}

/* --- 2. Container --- */
.modal-container {
  position: relative;
  width: 100%;
  max-width: 500px; /* default = md */
  max-height: 90vh;
  overflow-y: auto;
  margin: var(--space-md, 12px);
  background: var(--color-bg-card);
  border-radius: var(--radius-lg, 10px);
  box-shadow: var(--shadow-lg, 0 12px 40px rgba(0, 0, 0, 0.25));
  display: flex;
  flex-direction: column;
}

/* --- 3. Header / Body / Footer --- */
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md, 12px) var(--space-lg, 16px);
  border-bottom: 1px solid var(--color-gray-200);
  flex-shrink: 0;
}
.modal-header .modal-title {
  font-size: var(--font-size-lg, 1.1rem);
  font-weight: var(--font-weight-semibold, 600);
  color: var(--color-gray-900);
  margin: 0;
  line-height: var(--line-height-tight, 1.25);
}
.modal-body {
  padding: var(--space-lg, 16px);
  flex: 1 1 auto;
  overflow-y: auto;
}
.modal-footer {
  display: flex;
  gap: var(--space-sm, 8px);
  justify-content: flex-end;
  padding: var(--space-md, 12px) var(--space-lg, 16px);
  border-top: 1px solid var(--color-gray-200);
  flex-shrink: 0;
}

/* --- 4. Close button --- */
.modal-close {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.25rem;
  line-height: 1;
  color: var(--color-gray-400);
  padding: var(--space-xs, 4px);
  border-radius: var(--radius-sm, 6px);
  transition: color var(--transition-fast, 150ms ease),
              background var(--transition-fast, 150ms ease);
}
.modal-close:hover {
  color: var(--color-gray-700);
  background: var(--color-gray-100);
}
.modal-close:focus { outline: none; }
.modal-close:focus-visible {
  outline: 2px solid var(--color-focus-ring);
  outline-offset: 2px;
  box-shadow: var(--shadow-focus);
}

/* --- 5. Sizes (max-width on .modal-container) --- */
.modal-sm .modal-container { max-width: 340px; }
.modal-md .modal-container { max-width: 500px; }
.modal-lg .modal-container { max-width: 700px; }
.modal-xl .modal-container { max-width: 900px; }
.modal-fullscreen .modal-container {
  max-width: 95vw;
  height: 95vh;
  max-height: 95vh;
}

/* --- 6. Types --- */
/* .modal-type-default / .modal-type-confirm / .modal-type-alert — no extra styling */

/* Danger — red-tinted header */
.modal-type-danger .modal-header {
  background: var(--color-error-light);
  border-bottom-color: var(--color-error);
}
.modal-type-danger .modal-header .modal-title {
  color: var(--color-error);
}
.modal-type-danger .danger-confirm-input {
  width: 100%;
  margin-block-start: var(--space-md, 12px);
  padding: var(--space-sm, 8px) var(--space-md, 12px);
  border: 2px solid var(--color-gray-300);
  border-radius: var(--radius-md, 8px);
  font-size: var(--font-size-md, 0.92rem);
  font-family: var(--font-family, 'Heebo', sans-serif);
  transition: border-color var(--transition-fast, 150ms ease);
}
.modal-type-danger .danger-confirm-input:focus {
  outline: none;
  border-color: var(--color-error);
}

/* --- 7. Wizard progress bar --- */
.wizard-progress {
  display: flex;
  align-items: center;
  gap: var(--space-sm, 8px);
  padding: var(--space-sm, 8px) var(--space-lg, 16px);
  border-bottom: 1px solid var(--color-gray-200);
  overflow-x: auto;
  flex-shrink: 0;
}
.wizard-step {
  display: flex;
  align-items: center;
  gap: var(--space-xs, 4px);
  font-size: var(--font-size-sm, 0.85rem);
  color: var(--color-gray-400);
  white-space: nowrap;
  transition: color var(--transition-fast, 150ms ease);
}
.wizard-step + .wizard-step::before {
  content: '';
  display: inline-block;
  width: 24px;
  height: 1px;
  background: var(--color-gray-300);
  margin-inline-end: var(--space-xs, 4px);
  flex-shrink: 0;
}
.wizard-step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: var(--radius-full, 9999px);
  font-size: var(--font-size-xs, 0.75rem);
  font-weight: var(--font-weight-semibold, 600);
  background: var(--color-gray-200);
  color: var(--color-gray-500);
  flex-shrink: 0;
  transition: background var(--transition-fast, 150ms ease),
              color var(--transition-fast, 150ms ease);
}
.wizard-step-active {
  color: var(--color-primary);
  font-weight: var(--font-weight-semibold, 600);
}
.wizard-step-active .wizard-step-num {
  background: var(--color-primary);
  color: var(--color-white);
}
.wizard-step-done {
  color: var(--color-success);
}
.wizard-step-done .wizard-step-num {
  background: var(--color-success);
  color: var(--color-white);
}
.wizard-panel { display: none; }
.wizard-panel-active { display: block; }

/* --- 8. Animations --- */
.modal-entering {
  animation: modalOverlayIn var(--transition-normal, 200ms ease) forwards;
}
.modal-leaving {
  animation: modalOverlayOut var(--transition-normal, 200ms ease) forwards;
}
.modal-entering .modal-container {
  animation: modalContainerIn var(--transition-normal, 200ms ease) forwards;
}
.modal-leaving .modal-container {
  animation: modalContainerOut var(--transition-normal, 200ms ease) forwards;
}
@keyframes modalOverlayIn {
  from { opacity: 0; } to { opacity: 1; }
}
@keyframes modalOverlayOut {
  from { opacity: 1; } to { opacity: 0; }
}
@keyframes modalContainerIn {
  from { opacity: 0; transform: scale(0.95); }
  to   { opacity: 1; transform: scale(1); }
}
@keyframes modalContainerOut {
  from { opacity: 1; transform: scale(1); }
  to   { opacity: 0; transform: scale(0.95); }
}

/* --- 9. Stack support --- */
.modal-stacked { pointer-events: none; }
.modal-stacked .modal-container {
  transform: scale(0.97);
  filter: brightness(0.92);
  transition: transform var(--transition-normal, 200ms ease),
              filter var(--transition-normal, 200ms ease);
}

/* --- 10. Responsive --- */
@media (max-width: 640px) {
  .modal-container {
    max-width: calc(100% - var(--space-lg, 16px) * 2) !important;
    margin: var(--space-sm, 8px);
  }
  .modal-fullscreen .modal-container {
    max-width: 100% !important;
    height: 100vh;
    max-height: 100vh;
    margin: 0;
    border-radius: 0;
  }
  .wizard-progress {
    gap: var(--space-xs, 4px);
    padding: var(--space-xs, 4px) var(--space-md, 12px);
  }
  .wizard-step + .wizard-step::before { width: 12px; }
}