/* ====================================
   UNIFIED MODAL SYSTEM
   ==================================== */

/* ===== Modal Overlay ===== */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(2px);
  z-index: var(--z-modal);
  justify-content: center;
  align-items: center;
  padding: var(--space-4);
  opacity: 0;
  transition: opacity var(--transition-slow);
}

.modal-overlay.visible,
.modal-overlay.show {
  display: flex;
  opacity: 1;
}

/* ===== Modal Content ===== */
.modal-content {
  background: var(--color-bg);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  width: 100%;
  max-width: 500px;
  max-height: 85vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  animation: modalSlideIn var(--transition-slow);
}

@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Size variants */
.modal-content.modal-sm {
  max-width: 360px;
}

.modal-content.modal-lg {
  max-width: 700px;
}

.modal-content.modal-xl {
  max-width: 900px;
}

.modal-content.modal-fullscreen {
  max-width: none;
  width: 100%;
  height: 100%;
  max-height: 100%;
  border-radius: 0;
}

/* ===== Modal Header ===== */
.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-4) var(--space-6);
  border-bottom: 1px solid var(--color-border-light);
  flex-shrink: 0;
}

.modal-header h3,
.modal-header .modal-title {
  margin: 0;
  font-family: var(--font-family);
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-text-primary);
}

/* ===== Modal Close Button ===== */
.modal-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  padding: 0;
  background: transparent;
  border: none;
  border-radius: var(--radius-full);
  font-size: 20px;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: background var(--transition-base), color var(--transition-base);
}

.modal-close:hover {
  background: var(--color-bg-hover);
  color: var(--color-text-primary);
}

/* ===== Modal Body ===== */
.modal-body {
  flex: 1;
  padding: var(--space-6);
  overflow-y: auto;
  min-height: 0;
}

.modal-body p {
  margin: 0 0 var(--space-4) 0;
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.modal-body p:last-child {
  margin-bottom: 0;
}

/* ===== Modal Footer / Actions ===== */
.modal-footer,
.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--color-border-light);
  flex-shrink: 0;
  background: var(--color-bg-alt);
}

/* ===== Confirmation Modal ===== */
.modal-confirm {
  text-align: center;
}

.modal-confirm .modal-icon {
  font-size: 48px;
  margin-bottom: var(--space-4);
}

.modal-confirm .modal-icon.danger {
  color: var(--color-danger);
}

.modal-confirm .modal-icon.warning {
  color: var(--color-warning);
}

.modal-confirm .modal-icon.success {
  color: var(--color-success);
}

/* ===== Welcome Modal (larger, centered) ===== */
.welcome-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  opacity: 0;
  transition: opacity var(--transition-slow);
}

.welcome-modal-overlay.show {
  opacity: 1;
}

.welcome-modal-content {
  background: var(--color-bg);
  border-radius: var(--radius-2xl);
  max-width: 420px;
  width: 100%;
  max-height: 85vh;
  overflow: hidden;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.25), 0 0 0 1px rgba(255, 255, 255, 0.1);
  transform: translateY(30px);
  transition: transform var(--transition-slow);
  display: flex;
  flex-direction: column;
}

.welcome-modal-overlay.show .welcome-modal-content {
  transform: translateY(0);
}

.welcome-modal-header {
  padding: var(--space-5) var(--space-5) var(--space-2);
  text-align: center;
  flex-shrink: 0;
}

.welcome-modal-header h2 {
  font-family: var(--font-family);
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-text-primary);
  margin: 0;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

.welcome-tagline {
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin: var(--space-1) 0 0 0;
  font-weight: 400;
}

.text-primary {
  color: var(--color-primary);
}

.welcome-modal-body {
  padding: 0 var(--space-5) var(--space-3);
  overflow-y: auto;
  flex: 1;
  min-height: 0;
}

.welcome-modal-footer {
  padding: var(--space-4) var(--space-5);
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border-light);
  flex-shrink: 0;
}

/* Welcome Feature Cards */
.welcome-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.welcome-feature-card {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
  line-height: 1.4;
}

.feature-icon {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-50);
  border-radius: var(--radius-md);
  color: var(--color-primary);
  font-size: 14px;
}

/* Welcome Callout Box */
.welcome-callout {
  margin-top: var(--space-3);
  padding: var(--space-3);
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
}

.welcome-callout p {
  font-family: var(--font-family);
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  line-height: 1.5;
  margin: 0;
}

.welcome-callout p + p {
  margin-top: var(--space-1);
  color: var(--color-text-muted);
}


/* Welcome Actions */
.welcome-actions {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.welcome-actions .btn {
  width: 100%;
  box-sizing: border-box;
  white-space: normal;
  text-align: center;
  padding: 10px var(--space-3);
  font-weight: 700;
  font-size: var(--font-size-sm);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

.welcome-actions .btn-primary {
  background: var(--color-primary);
  color: white;
  border: none;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.25);
}

.welcome-actions .btn-primary:hover {
  background: var(--color-primary-dark);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.35);
}

.welcome-actions .btn-outline {
  background: white;
  color: var(--color-text-primary);
  border: 2px solid var(--color-border);
}

.welcome-actions .btn-outline:hover {
  border-color: var(--color-primary-light);
  color: var(--color-primary);
}

.welcome-actions-footer {
  text-align: center;
  margin-top: 0;
}

.welcome-actions-footer .btn-link {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-light);
  padding: var(--space-2);
  background: none;
  border: none;
  cursor: pointer;
  transition: color var(--transition-base);
}

.welcome-actions-footer .btn-link:hover {
  color: var(--color-text-secondary);
}

.welcome-actions-footer .btn-link i {
  margin-left: var(--space-1);
  font-size: 11px;
}

/* Mobile button text visibility */
.btn-text-mobile {
  display: none;
}

@media (max-width: 480px) {
  .btn-text-desktop {
    display: none;
  }
  .btn-text-mobile {
    display: inline;
  }
}

/* Parcel Disclaimer */
.parcel-disclaimer {
  margin-top: var(--space-2);
}

.parcel-disclaimer p {
  font-family: var(--font-family);
  font-size: 10px;
  color: var(--color-text-light);
  line-height: 1.4;
  margin: 0;
  font-style: italic;
}

/* Welcome Footer Links */
.welcome-footer-links {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  margin-top: var(--space-2);
}

.welcome-footer-links .footer-link {
  font-family: var(--font-family);
  font-size: var(--font-size-xs);
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-base);
}

.welcome-footer-links .footer-link:hover {
  color: var(--color-primary);
}

/* Welcome Language Selector */
.welcome-footer-language {
  display: flex;
  align-items: center;
}

.welcome-language-selector {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.welcome-language-selector .language-label {
  font-size: var(--font-size-sm);
}

.welcome-language-selector .language-select {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 4px 24px 4px 8px;
  font-family: var(--font-family);
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 6px center;
  background-size: 12px;
}

.welcome-language-selector .language-select:hover {
  border-color: var(--color-border-dark);
}

.welcome-language-selector .language-select:focus {
  outline: none;
  border-color: var(--color-primary);
}

/* Document Content (for Terms/Privacy viewing) */
.document-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-height: 0;
}

.document-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-6);
  border-bottom: 1px solid var(--color-border-light);
}

.document-back-btn {
  background: none;
  border: none;
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  color: var(--color-primary);
  cursor: pointer;
  padding: var(--space-2);
  margin-left: calc(-1 * var(--space-2));
  border-radius: var(--radius-sm);
  transition: background var(--transition-base);
}

.document-back-btn:hover {
  background: var(--color-bg-alt);
}

.document-header h3 {
  margin: 0;
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-text-primary);
}

.document-body {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-5);
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
  min-height: 0;
}

.document-body h1,
.document-body h2,
.document-body h3 {
  color: var(--color-text-primary);
  margin-top: var(--space-6);
  margin-bottom: var(--space-3);
}

.document-body h1:first-child,
.document-body h2:first-child,
.document-body h3:first-child {
  margin-top: 0;
}

.document-body p {
  margin-bottom: var(--space-4);
}

.document-body ul,
.document-body ol {
  padding-left: var(--space-6);
  margin-bottom: var(--space-4);
}

.document-body a {
  color: var(--color-primary);
}

/* ===== Past Due Modal ===== */
.past-due-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-notification);
  opacity: 0;
  transition: opacity var(--transition-slow);
}

.past-due-modal-overlay.show {
  opacity: 1;
}

.past-due-modal-content {
  background: var(--color-bg);
  border-radius: var(--radius-xl);
  max-width: 500px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
  transform: translateY(20px);
  transition: transform var(--transition-slow);
}

.past-due-modal-overlay.show .past-due-modal-content {
  transform: translateY(0);
}

.past-due-modal-header {
  padding: var(--space-6);
  border-bottom: 1px solid var(--color-border);
}

.past-due-modal-header h2 {
  margin: 0 0 var(--space-2) 0;
  color: var(--color-danger);
  font-size: var(--font-size-2xl);
  font-weight: 600;
}

.past-due-modal-header p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: var(--font-size-base);
  line-height: 1.5;
}

.past-due-modal-body {
  padding: var(--space-6);
  text-align: center;
}

.past-due-icon {
  font-size: 48px;
  margin-bottom: var(--space-4);
  display: block;
}

.past-due-modal-footer {
  padding: var(--space-4) var(--space-6) var(--space-6);
}

.past-due-actions {
  display: flex;
  gap: var(--space-3);
  justify-content: flex-end;
}

/* ===== Simple Modal (for quick edits) ===== */
.simple-modal {
  z-index: var(--z-notification);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(30, 30, 30, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
}

.simple-modal-content {
  background: var(--color-bg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  min-width: 300px;
  max-width: 95vw;
  padding: 0;
}

.simple-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border-light);
}

.simple-modal-title {
  font-weight: 500;
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
}

.simple-modal-close {
  background: none;
  border: none;
  color: var(--color-text-light);
  font-size: 18px;
  cursor: pointer;
  padding: 0;
}

.simple-modal-close:hover {
  color: var(--color-text-primary);
}

.simple-modal-body {
  padding: var(--space-4);
}

.simple-modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4) var(--space-4);
}

/* ===== Mobile Responsive ===== */
@media (max-width: 768px) {
  .modal-overlay {
    padding: var(--space-3);
  }

  .modal-content {
    max-height: calc(100vh - var(--space-6));
    border-radius: var(--radius-lg);
  }

  .modal-header {
    padding: var(--space-3) var(--space-4);
  }

  .modal-body {
    padding: var(--space-4);
  }

  .modal-footer,
  .modal-actions {
    padding: var(--space-3) var(--space-4);
    flex-direction: column-reverse;
  }

  .modal-footer .btn,
  .modal-actions .btn {
    width: 100%;
  }

  .welcome-modal-content {
    margin: 0;
    max-height: calc(100vh - var(--space-4));
    border-radius: var(--radius-lg);
    max-width: 100%;
  }

  .welcome-modal-header {
    padding: var(--space-4) var(--space-4) var(--space-2);
  }

  .welcome-modal-header h2 {
    font-size: var(--font-size-lg);
  }

  .welcome-modal-body {
    padding: var(--space-2) var(--space-4) var(--space-3);
  }

  .welcome-modal-footer {
    padding: var(--space-3) var(--space-4);
  }

  .welcome-feature-card {
    font-size: var(--font-size-xs);
    gap: var(--space-2);
  }

  .feature-icon {
    width: 28px;
    height: 28px;
    font-size: 12px;
  }

  .welcome-callout {
    padding: var(--space-2);
    margin-top: var(--space-2);
  }

  .welcome-footer-links {
    gap: var(--space-2);
    margin-top: var(--space-2);
    flex-wrap: wrap;
    justify-content: center;
  }

  .past-due-actions {
    flex-direction: column-reverse;
  }
}