/* ============================================================
   CapaTransport Pro - Component Styles
   Dark Industrial / Trucking Theme
   ============================================================ */

/* ============================================================
   MODAL
   ============================================================ */
.modal {
  position: fixed;
  inset: 0;
  z-index: var(--ct-z-modal-backdrop);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--ct-transition), visibility var(--ct-transition);
}

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

.modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.modal__content {
  position: relative;
  background: var(--ct-surface);
  border-radius: var(--ct-radius-lg);
  max-width: 480px;
  width: 90%;
  max-height: 90vh;
  overflow: auto;
  z-index: var(--ct-z-modal);
  border: 1px solid var(--ct-border);
  box-shadow: var(--ct-shadow-lg);
  animation: scaleIn 0.3s ease-out;
}

.modal__content--auth {
  max-width: 440px;
}

.modal__content--confirm {
  max-width: 420px;
}

.modal__content--result-detail {
  max-width: 600px;
}

.modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem;
  border-bottom: 1px solid var(--ct-border);
}

.modal__title {
  font-family: var(--ct-font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ct-text);
}

.modal__close-btn {
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  color: var(--ct-text2);
  border-radius: var(--ct-radius-sm);
  cursor: pointer;
  transition: color var(--ct-transition-fast), background var(--ct-transition-fast);
  font-size: 1.25rem;
}

.modal__close-btn:hover {
  color: var(--ct-primary);
  background: rgba(255, 107, 0, 0.1);
}

.modal__body {
  padding: 1.5rem;
}

.modal__message {
  color: var(--ct-text2);
  margin-bottom: var(--ct-space-md);
  line-height: 1.6;
}

.modal__footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--ct-space-sm);
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--ct-border);
}

/* ============================================================
   AUTH
   ============================================================ */
.auth-tabs {
  display: flex;
  flex-direction: row;
  border-bottom: 1px solid var(--ct-border);
  margin-bottom: var(--ct-space-lg);
}

.auth-tabs__tab {
  flex: 1;
  padding: 0.75rem;
  text-align: center;
  background: transparent;
  border: none;
  color: var(--ct-text2);
  cursor: pointer;
  border-bottom: 3px solid transparent;
  font-family: var(--ct-font-heading);
  font-size: var(--ct-fs-sm);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: color var(--ct-transition), border-color var(--ct-transition);
}

.auth-tabs__tab:hover {
  color: var(--ct-text);
}

.auth-tabs__tab--active {
  color: var(--ct-primary);
  border-bottom-color: var(--ct-primary);
}

.auth-panel {
  padding-top: 1rem;
}

.auth-form {
  display: flex;
  flex-direction: column;
}

.auth-guest {
  margin-top: 1rem;
  text-align: center;
}

.auth-guest__divider {
  display: flex;
  align-items: center;
  gap: var(--ct-space-md);
  margin: var(--ct-space-md) 0;
  color: var(--ct-text3);
  font-size: var(--ct-fs-sm);
}

.auth-guest__divider::before,
.auth-guest__divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--ct-border);
}

.auth-guest__hint {
  font-size: var(--ct-fs-sm);
  color: var(--ct-text3);
  margin-top: var(--ct-space-sm);
}

/* ============================================================
   TOAST
   ============================================================ */
.toast-container {
  position: fixed;
  top: 1.5rem;
  right: 1.5rem;
  z-index: var(--ct-z-toast);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  pointer-events: none;
}

.toast {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: var(--ct-space-sm);
  padding: 1rem 1.5rem;
  border-radius: 12px;
  background: var(--ct-surface);
  border-left: 4px solid var(--ct-border);
  box-shadow: var(--ct-shadow-md);
  transform: translateX(110%);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  pointer-events: auto;
  min-width: 280px;
  max-width: 420px;
}

.toast--visible {
  transform: translateX(0);
}

.toast--success {
  border-left-color: var(--ct-success);
}

.toast--error {
  border-left-color: var(--ct-accent);
}

.toast--warning {
  border-left-color: var(--ct-warning);
}

.toast--info {
  border-left-color: var(--ct-info);
}

.toast__icon {
  font-size: 1.25rem;
  flex-shrink: 0;
}

.toast--success .toast__icon { color: var(--ct-success); }
.toast--error .toast__icon { color: var(--ct-accent); }
.toast--warning .toast__icon { color: var(--ct-warning); }
.toast--info .toast__icon { color: var(--ct-info); }

.toast__message {
  flex: 1;
  font-size: 0.9rem;
  color: var(--ct-text);
  line-height: 1.4;
}

/* ============================================================
   LOADING OVERLAY
   ============================================================ */
.loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(13, 13, 26, 0.95);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: var(--ct-space-lg);
}

.loading-overlay--visible {
  display: flex;
}

.loading-overlay__spinner {
  font-size: 3rem;
  color: var(--ct-primary);
  animation: spin 1s linear infinite;
}

.loading-overlay__text {
  color: var(--ct-text2);
  font-family: var(--ct-font-heading);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: var(--ct-fs-md);
}

/* ============================================================
   UPLOAD ZONE
   ============================================================ */
.upload-zone {
  border: 3px dashed var(--ct-border);
  border-radius: var(--ct-radius-lg);
  padding: 3rem;
  text-align: center;
  cursor: pointer;
  transition: border-color var(--ct-transition), background var(--ct-transition);
  background: transparent;
}

.upload-zone:hover,
.upload-zone--active {
  border-color: var(--ct-primary);
  background: rgba(255, 107, 0, 0.05);
}

.upload-zone__content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--ct-space-md);
}

.upload-zone__icon {
  font-size: 3rem;
  color: var(--ct-text2);
  transition: color var(--ct-transition);
}

.upload-zone:hover .upload-zone__icon,
.upload-zone--active .upload-zone__icon {
  color: var(--ct-primary);
}

.upload-zone__text {
  color: var(--ct-text);
  font-weight: 500;
  font-size: var(--ct-fs-md);
}

.upload-zone__hint {
  font-size: var(--ct-fs-sm);
  color: var(--ct-text3);
}

/* ============================================================
   UPLOAD OPTIONS
   ============================================================ */
.upload-options {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: var(--ct-space-md);
  margin: 1rem 0;
  flex-wrap: wrap;
}

.upload-options__label {
  font-family: var(--ct-font-heading);
  font-weight: 500;
  text-transform: uppercase;
  font-size: var(--ct-fs-sm);
  color: var(--ct-text2);
  letter-spacing: 0.05em;
}

/* ============================================================
   PROCESSING INDICATOR
   ============================================================ */
.processing-indicator {
  margin: 1rem 0;
  padding: 1rem;
  background: var(--ct-surface);
  border-radius: var(--ct-radius-md);
  border: 1px solid var(--ct-border);
}

.processing-indicator__content {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: var(--ct-space-sm);
  margin-bottom: 0.5rem;
}

.processing-indicator__spinner {
  color: var(--ct-primary);
  animation: spin 1s linear infinite;
}

.processing-indicator__text {
  color: var(--ct-text2);
  font-size: var(--ct-fs-sm);
}

/* ============================================================
   DOCUMENTS LIST
   ============================================================ */
.documents-list {
  margin-top: 2rem;
}

.documents-list__title {
  font-family: var(--ct-font-heading);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 1rem;
  font-size: var(--ct-fs-lg);
  color: var(--ct-text);
}

.documents-list__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--ct-space-md);
}

@media (min-width: 768px) {
  .documents-list__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .documents-list__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.documents-list__empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 3rem;
  color: var(--ct-text3);
  text-align: center;
  gap: var(--ct-space-md);
}

.documents-list__empty i {
  font-size: 2.5rem;
  opacity: 0.5;
}

/* ============================================================
   DOCUMENT CARD
   ============================================================ */
.document-card {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: var(--ct-space-md);
  background: var(--ct-surface);
  padding: 1rem;
  border-radius: 12px;
  border: 1px solid var(--ct-border);
  transition: border-color var(--ct-transition), box-shadow var(--ct-transition);
}

.document-card:hover {
  border-color: var(--ct-primary);
  box-shadow: var(--ct-shadow-sm);
}

.document-card__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--ct-surface2);
  border-radius: var(--ct-radius-md);
  color: var(--ct-primary);
  font-size: 1.5rem;
  flex-shrink: 0;
}

.document-card__info {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  min-width: 0;
}

.document-card__name {
  font-weight: 500;
  color: var(--ct-text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.document-card__category {
  display: inline-block;
}

.document-card__date {
  font-size: var(--ct-fs-sm);
  color: var(--ct-text3);
}

.document-card__status {
  font-size: var(--ct-fs-sm);
  color: var(--ct-success);
}

.document-card__actions {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: var(--ct-space-xs);
}

/* ============================================================
   SETTINGS
   ============================================================ */
.settings {
  max-width: 700px;
  margin: 0 auto;
}

.settings__section {
  background: var(--ct-surface);
  border: 1px solid var(--ct-border);
  border-radius: var(--ct-radius-lg);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.settings__section fieldset {
  border: none;
  padding: 0;
  margin: 0;
}

.settings__section-title {
  font-family: var(--ct-font-heading);
  font-weight: 600;
  text-transform: uppercase;
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: var(--ct-space-sm);
  color: var(--ct-primary);
  margin-bottom: 1rem;
  font-size: 1.1rem;
  letter-spacing: 0.04em;
}

.settings__data-actions {
  display: flex;
  flex-direction: row;
  gap: var(--ct-space-sm);
  flex-wrap: wrap;
}

.settings__about {
  color: var(--ct-text2);
  line-height: 1.7;
}

.settings__credits {
  color: var(--ct-text3);
  margin-top: var(--ct-space-md);
  font-size: var(--ct-fs-sm);
}

.settings__save {
  margin-top: 2rem;
  text-align: center;
}

/* ============================================================
   FORM EXTRAS (Settings-specific)
   ============================================================ */
.form-input-group {
  display: flex;
  flex-direction: row;
  gap: var(--ct-space-sm);
}

.form-input-group .form-input {
  flex: 1;
}

.form-status {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: var(--ct-space-sm);
  margin-top: 0.5rem;
}

.form-status__indicator {
  width: 10px;
  height: 10px;
  border-radius: var(--ct-radius-full);
  background: var(--ct-text3);
  flex-shrink: 0;
}

.form-status__indicator--success {
  background: var(--ct-success);
}

.form-status__indicator--error {
  background: var(--ct-accent);
}

.form-status__text {
  font-size: var(--ct-fs-sm);
  color: var(--ct-text2);
}

/* Toggle group */
.form-group--toggle {
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
}

/* ============================================================
   TOGGLE SWITCH
   ============================================================ */
.toggle {
  position: relative;
  width: 50px;
  height: 26px;
  display: inline-block;
  flex-shrink: 0;
}

.toggle__input {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.toggle__slider {
  position: absolute;
  inset: 0;
  background: var(--ct-surface2);
  border-radius: 9999px;
  transition: background var(--ct-transition);
  cursor: pointer;
  border: 1px solid var(--ct-border);
}

.toggle__slider::before {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  border-radius: var(--ct-radius-full);
  background: var(--ct-text2);
  left: 3px;
  top: 50%;
  transform: translateY(-50%);
  transition: transform var(--ct-transition), background var(--ct-transition);
}

.toggle__input:checked + .toggle__slider {
  background: var(--ct-primary);
  border-color: var(--ct-primary);
}

.toggle__input:checked + .toggle__slider::before {
  transform: translateX(24px) translateY(-50%);
  background: var(--ct-text);
}

.toggle__input:focus-visible + .toggle__slider {
  box-shadow: 0 0 0 3px var(--ct-primary-light);
}

/* ============================================================
   FORM RANGE SLIDER
   ============================================================ */
.form-range {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  background: var(--ct-surface2);
  border-radius: 3px;
  outline: none;
  transition: background var(--ct-transition);
  accent-color: var(--ct-primary);
}

.form-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: var(--ct-radius-full);
  background: var(--ct-primary);
  cursor: pointer;
  border: 2px solid var(--ct-text);
  box-shadow: var(--ct-shadow-sm);
  transition: transform var(--ct-transition-fast);
}

.form-range::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

.form-range::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: var(--ct-radius-full);
  background: var(--ct-primary);
  cursor: pointer;
  border: 2px solid var(--ct-text);
  box-shadow: var(--ct-shadow-sm);
}

/* ============================================================
   BUTTON VARIANTS (Component-specific)
   ============================================================ */
.btn--full {
  width: 100%;
}

.btn--large {
  min-height: 56px;
  padding: 1rem 2.5rem;
  font-size: var(--ct-fs-lg);
}

.btn--accent {
  background: var(--ct-accent);
  color: var(--ct-text);
  border-color: transparent;
}

.btn--accent:hover {
  background: #D63851;
  box-shadow: 0 4px 15px rgba(233, 69, 96, 0.4);
  transform: translateY(-2px);
}

/* ============================================================
   RESULT DETAIL
   ============================================================ */
.result-detail {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.result-detail__question {
  font-weight: 500;
  color: var(--ct-text);
  font-size: var(--ct-fs-md);
  line-height: 1.5;
}

.result-detail__your-answer {
  padding: var(--ct-space-md);
  background: var(--ct-surface2);
  border-radius: var(--ct-radius-md);
  border-left: 3px solid var(--ct-accent);
  color: var(--ct-text2);
  line-height: 1.6;
}

.result-detail__correct-answer {
  padding: var(--ct-space-md);
  background: var(--ct-success-light);
  border-radius: var(--ct-radius-md);
  border-left: 3px solid var(--ct-success);
  color: var(--ct-text);
  line-height: 1.6;
}

.result-detail__explanation {
  padding: var(--ct-space-md);
  background: var(--ct-info-light);
  border-radius: var(--ct-radius-md);
  color: var(--ct-text2);
  line-height: 1.6;
}

/* ============================================================
   BADGE (used by document-card__category)
   ============================================================ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--ct-space-xs);
  padding: 0.2rem 0.6rem;
  font-size: var(--ct-fs-xs);
  font-family: var(--ct-font-heading);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: 9999px;
  background: var(--ct-primary-light);
  color: var(--ct-primary);
  white-space: nowrap;
}

.badge--success {
  background: var(--ct-success-light);
  color: var(--ct-success);
}

.badge--warning {
  background: var(--ct-warning-light);
  color: var(--ct-warning);
}

.badge--info {
  background: var(--ct-info-light);
  color: var(--ct-info);
}

.badge--accent {
  background: var(--ct-accent-light);
  color: var(--ct-accent);
}

/* ============================================================
   PROGRESS BAR (used by processing)
   ============================================================ */
.progress-bar {
  width: 100%;
  height: 6px;
  background: var(--ct-surface2);
  border-radius: 3px;
  overflow: hidden;
}

.progress-bar__fill {
  height: 100%;
  background: var(--ct-gradient);
  border-radius: 3px;
  transition: width 0.4s ease-out;
}

/* ============================================================
   ANIMATIONS (component-specific)
   ============================================================ */
@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* ============================================================
   RESPONSIVE ADJUSTMENTS
   ============================================================ */
@media (max-width: 480px) {
  .modal__content {
    width: 95%;
    border-radius: 12px;
  }

  .modal__header {
    padding: 1rem;
  }

  .modal__body {
    padding: 1rem;
  }

  .modal__footer {
    padding: 0.75rem 1rem;
    flex-wrap: wrap;
  }

  .toast-container {
    top: 1rem;
    right: 1rem;
    left: 1rem;
  }

  .toast {
    min-width: unset;
    max-width: 100%;
  }

  .upload-zone {
    padding: 2rem 1.5rem;
  }

  .upload-zone__icon {
    font-size: 2.5rem;
  }

  .settings__section {
    padding: 1rem;
  }

  .form-input-group {
    flex-direction: column;
  }

  .upload-options {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 768px) {
  .document-card {
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
  }

  .document-card__icon {
    align-self: flex-start;
  }

  .document-card__actions {
    align-self: flex-end;
    margin-top: var(--ct-space-sm);
  }

  .settings__data-actions {
    flex-direction: column;
  }

  .settings__data-actions .btn {
    width: 100%;
  }
}