/* =============================================
   MODAL.CSS — Auth Modal + Preview Modal
   Login, Register, Success, Preview
   ============================================= */

/* ── Overlay ── */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  background-color: rgba(27, 42, 58, 0.8);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

/* ── Base Modal ── */
.modal {
  background-color: var(--c-white);
  border-radius: var(--radius-3xl);
  padding: 2rem;
  max-width: 28rem;
  width: 100%;
  box-shadow: var(--shadow-modern);
  animation: modalIn 0.3s ease forwards;
  max-height: 90vh;
  overflow-y: auto;
}

@media (min-width: 768px) {
  .modal {
    padding: 2.5rem;
  }
}

@keyframes modalIn {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

.animate-scale-in {
  animation: modalIn 0.3s ease forwards;
}

/* ── Modal Icon ── */
.modal__icon-wrapper {
  width: 4rem;
  height: 4rem;
  background-color: rgba(38, 63, 92, 0.1);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
}

.modal__icon-wrapper .icon {
  width: 2rem;
  height: 2rem;
  color: var(--c-blue);
}

.modal__title {
  font-size: 1.5rem;
  font-weight: 800;
  text-align: center;
  color: var(--c-darkest);
  margin-bottom: 0.5rem;
}

.modal__desc {
  color: var(--c-gray-500);
  text-align: center;
  margin-bottom: 1.5rem;
  font-size: 0.875rem;
}

/* ── Auth Tabs ── */
.auth-tabs {
  display: flex;
  background-color: var(--c-gray-100);
  border-radius: var(--radius-xl);
  padding: 4px;
  margin-bottom: 1.5rem;
  gap: 4px;
}

.auth-tab {
  flex: 1;
  padding: 0.625rem 1rem;
  border-radius: var(--radius-lg);
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--c-gray-500);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: all var(--transition-normal);
  text-align: center;
}

.auth-tab--active {
  background-color: var(--c-white);
  color: var(--c-darkest);
  box-shadow: var(--shadow-sm);
}

.auth-tab:hover:not(.auth-tab--active) {
  color: var(--c-darkest);
}

/* ── Form Groups ── */
.modal__form-group {
  margin-bottom: 1rem;
}

.modal__label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--c-darkest);
  margin-bottom: 0.375rem;
}

.modal__select,
.modal__input {
  width: 100%;
  background-color: var(--c-gray-50);
  border: 1px solid var(--c-gray-200);
  color: var(--c-gray-700);
  font-size: 1rem;
  border-radius: var(--radius-xl);
  padding: 0.75rem 1rem;
  outline: none;
  transition: all var(--transition-normal);
  font-family: var(--font-family);
}

.modal__select:focus,
.modal__input:focus {
  border-color: var(--c-gold);
  box-shadow: 0 0 0 3px rgba(211, 168, 105, 0.2);
}

/* ── Auth Warning (Red) ── */
.auth-warning {
  background-color: #fef2f2;
  border: 2px solid #fca5a5;
  color: #b91c1c;
  font-weight: 700;
  font-size: 0.8125rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-xl);
  margin-bottom: 1.25rem;
  text-align: center;
  line-height: 1.5;
}

.auth-warning strong {
  display: block;
  font-size: 0.9375rem;
  margin-bottom: 0.25rem;
}

/* ── Auth Error Message ── */
.auth-error {
  background-color: #fef2f2;
  border: 1px solid #fca5a5;
  color: #b91c1c;
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.625rem 1rem;
  border-radius: var(--radius-lg);
  margin-bottom: 1rem;
  text-align: center;
}

/* ── Submit Button ── */
.modal__submit {
  width: 100%;
  background-color: var(--c-blue);
  color: var(--c-white);
  font-weight: 700;
  border-radius: var(--radius-xl);
  font-size: 1rem;
  padding: 0.875rem 1.25rem;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  transition: all var(--transition-normal);
  cursor: pointer;
  border: none;
  margin-top: 0.5rem;
}

.modal__submit:hover {
  background-color: var(--c-darkest);
}

.modal__submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.modal__submit .icon {
  width: 1.25rem;
  height: 1.25rem;
}

/* Loading state */
.modal__submit--loading {
  opacity: 0.7;
  pointer-events: none;
  position: relative;
}

.modal__submit--loading::after {
  content: '';
  width: 1.25rem;
  height: 1.25rem;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spinner 0.6s linear infinite;
  margin-left: 0.5rem;
}

@keyframes spinner {
  to { transform: rotate(360deg); }
}

.modal__cancel {
  width: 100%;
  margin-top: 0.75rem;
  color: var(--c-gray-500);
  font-size: 0.875rem;
  font-weight: 500;
  text-align: center;
  background: none;
  border: none;
  cursor: pointer;
  transition: color var(--transition-normal);
  padding: 0.5rem;
}

.modal__cancel:hover {
  color: var(--c-darkest);
}


/* ═══════════════════════════════════════════
   AUTH SUCCESS STATE
═══════════════════════════════════════════ */
.auth-success {
  text-align: center;
  padding: 2rem 0;
}

.auth-success__icon {
  width: 5rem;
  height: 5rem;
  border-radius: 50%;
  background-color: #dcfce7;
  color: #16a34a;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  font-size: 2.5rem;
  font-weight: 900;
  animation: successPop 0.5s ease forwards;
}

@keyframes successPop {
  0% { transform: scale(0); opacity: 0; }
  60% { transform: scale(1.2); }
  100% { transform: scale(1); opacity: 1; }
}

.auth-success__title {
  font-size: 1.5rem;
  font-weight: 800;
  color: #16a34a;
  margin-bottom: 0.5rem;
}

.auth-success__message {
  color: var(--c-gray-600);
  margin-bottom: 2rem;
  font-size: 0.9375rem;
}

.auth-success__btn {
  width: 100%;
  background-color: #16a34a;
  color: white;
  font-weight: 700;
  border-radius: var(--radius-xl);
  font-size: 1rem;
  padding: 0.875rem;
  border: none;
  cursor: pointer;
  transition: background-color var(--transition-normal);
}

.auth-success__btn:hover {
  background-color: #15803d;
}


/* ═══════════════════════════════════════════
   PREVIEW MODAL — Contract Preview
═══════════════════════════════════════════ */
.modal--preview {
  max-width: 56rem;
  padding: 1.5rem;
}

@media (min-width: 768px) {
  .modal--preview {
    padding: 2rem;
  }
}

.preview-header {
  text-align: center;
  margin-bottom: 1rem;
}

.preview-header__title {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--c-darkest);
  margin-bottom: 0.5rem;
}

.preview-warning {
  background-color: #fffbeb;
  border: 2px solid #f59e0b;
  color: #92400e;
  font-weight: 600;
  font-size: 0.8125rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-xl);
  margin-bottom: 1.25rem;
  line-height: 1.5;
  text-align: center;
}

.preview-warning strong {
  display: block;
  font-size: 0.875rem;
  color: #b45309;
  margin-bottom: 0.25rem;
}

.preview-content {
  max-height: 55vh;
  overflow-y: auto;
  border: 1px solid var(--c-gray-200);
  border-radius: var(--radius-lg);
  margin-bottom: 1.25rem;
}

.preview-actions {
  display: flex;
  gap: 1rem;
  justify-content: flex-end;
  flex-wrap: wrap;
}

.preview-actions .btn {
  flex: 1;
  min-width: 10rem;
}

@media (min-width: 640px) {
  .preview-actions .btn {
    flex: 0 1 auto;
  }
}

/* Loading overlay for preview confirm */
.preview-loading {
  opacity: 0.6;
  pointer-events: none;
}