/* ==========================================================================
   Storefront Modal Utility
   Global, reusable modal styles for the storefront frontend.
   Used programmatically via window.StorefrontModal (storefront-modal.js).
   ========================================================================== */

/* Overlay container */
.sf-modal {
  position: fixed;
  inset: 0;
  z-index: 1050;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition:
    opacity 0.2s ease,
    visibility 0.2s ease;
}

.sf-modal.sf-modal--active {
  opacity: 1;
  visibility: visible;
}

/* Backdrop */
.sf-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
}

/* Dialog box */
.sf-modal__dialog {
  position: relative;
  width: 90%;
  max-width: 520px;
  max-height: 85vh;
  background: var(--theme-color-background, #ffffff);
  border-radius: var(--theme-radius-lg, 0.75rem);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform: scale(0.95);
  transition: transform 0.2s ease;
}

.sf-modal.sf-modal--active .sf-modal__dialog {
  transform: scale(1);
}

/* Size variants */
.sf-modal__dialog--sm {
  max-width: 400px;
}

.sf-modal__dialog--md {
  max-width: 520px;
}

.sf-modal__dialog--lg {
  max-width: 700px;
}

/* Header */
.sf-modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--theme-space-4, 1rem) var(--theme-space-5, 1.25rem);
  border-bottom: 1px solid var(--theme-color-border, #e5e7eb);
}

.sf-modal__title {
  margin: 0;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--theme-color-text, #111827);
}

/* Close button */
.sf-modal__close {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: none;
  font-size: 1.5rem;
  line-height: 1;
  color: var(--theme-color-text-muted, #6b7280);
  cursor: pointer;
  border-radius: var(--theme-radius-md, 0.375rem);
  transition:
    background 0.15s ease,
    color 0.15s ease;
  flex-shrink: 0;
}

.sf-modal__close:hover {
  background: var(--theme-color-background-secondary, #f3f4f6);
  color: var(--theme-color-text, #111827);
}

/* Body */
.sf-modal__body {
  padding: var(--theme-space-5, 1.25rem);
  overflow-y: auto;
  flex: 1;
}

/* Footer */
.sf-modal__footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--theme-space-3, 0.75rem);
  padding: var(--theme-space-4, 1rem) var(--theme-space-5, 1.25rem);
  border-top: 1px solid var(--theme-color-border, #e5e7eb);
}

/* ---------- Form helpers ---------- */

.sf-modal__form-group {
  margin-bottom: var(--theme-space-4, 1rem);
}

.sf-modal__form-group:last-child {
  margin-bottom: 0;
}

.sf-modal__label {
  display: block;
  margin-bottom: var(--theme-space-2, 0.5rem);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--theme-color-text, #111827);
}

.sf-modal__input {
  display: block;
  width: 100%;
  padding: 0.625rem 0.875rem;
  font-size: 0.9375rem;
  color: var(--theme-color-text, #111827);
  background: var(--theme-color-background, #ffffff);
  border: 1px solid var(--theme-color-border, #d1d5db);
  border-radius: var(--theme-radius-md, 0.375rem);
  outline: none;
  transition:
    border-color 0.15s ease,
    box-shadow 0.15s ease;
  box-sizing: border-box;
}

.sf-modal__input:focus {
  border-color: var(--theme-color-primary, #4f46e5);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.sf-modal__input::placeholder {
  color: var(--theme-color-text-muted, #9ca3af);
}

.sf-modal__help {
  margin-top: var(--theme-space-1, 0.25rem);
  font-size: 0.8125rem;
  color: var(--theme-color-text-muted, #6b7280);
}

/* ---------- Buttons ---------- */

.sf-modal__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  font-size: 0.9375rem;
  font-weight: 500;
  border-radius: var(--theme-radius-md, 0.375rem);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition:
    background 0.15s ease,
    border-color 0.15s ease,
    color 0.15s ease,
    box-shadow 0.15s ease;
  white-space: nowrap;
}

.sf-modal__btn--primary {
  background: var(--theme-color-primary, #4f46e5);
  color: var(--theme-color-primary-contrast, #ffffff);
  border-color: var(--theme-color-primary, #4f46e5);
}

.sf-modal__btn--primary:hover {
  background: var(--theme-color-primary-hover, #4338ca);
  border-color: var(--theme-color-primary-hover, #4338ca);
}

.sf-modal__btn--outline {
  background: transparent;
  color: var(--theme-color-text, #374151);
  border-color: var(--theme-color-border, #d1d5db);
}

.sf-modal__btn--outline:hover {
  background: var(--theme-color-background-secondary, #f3f4f6);
  border-color: var(--theme-color-border-hover, #9ca3af);
}

/* ---------- Special content ---------- */

.sf-modal__icon {
  margin-bottom: var(--theme-space-2, 0.5rem);
}

.sf-modal__message {
  margin: 0;
  line-height: 1.5;
}

/* ---------- Body scroll lock ---------- */

body.sf-modal-open {
  overflow: hidden;
}

/* ---------- Responsive ---------- */

@media (max-width: 480px) {
  .sf-modal__dialog {
    width: calc(100% - 2rem);
    max-height: 90vh;
  }

  .sf-modal__footer {
    flex-direction: column;
  }

  .sf-modal__btn {
    width: 100%;
  }
}