/* ============================================================
   Form page layout
   ============================================================ */

.form-page {
  min-height: 100vh;
  background-color: var(--color-bg-subtle);
  padding-top: var(--space-8);
  padding-bottom: var(--space-8);
}

.form-container {
  max-width: 42rem;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

/* ============================================================
   Form card
   ============================================================ */

.form-card {
  background-color: var(--color-surface-container-lowest);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-ambient);
  overflow: hidden;
}

.form-card__header {
  background-color: var(--color-surface-container);
  padding: var(--space-4) var(--space-6);
}

.form-card__title {
  font-weight: 700;
  font-size: var(--text-xl);
  line-height: var(--leading-xl);
  color: var(--color-on-surface);
  margin: 0;
  font-family: var(--font-display);
  letter-spacing: var(--tracking-headline);
}

.form-card__body {
  padding: var(--space-6);
}

.form-card__footer {
  background-color: var(--color-surface-container);
  padding: var(--space-4) var(--space-6);
}

.form-card__footer--actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

@media (min-width: 640px) {
  .form-container {
    padding-left: var(--space-6);
    padding-right: var(--space-6);
  }

  .form-card__footer--actions {
    flex-direction: row;
    gap: var(--space-3);
  }
}

@media (min-width: 1024px) {
  .form-container {
    padding-left: var(--space-8);
    padding-right: var(--space-8);
  }
}

/* ============================================================
   Form fields
   ============================================================ */

.form-field {
  margin-top: var(--space-5);
  margin-bottom: var(--space-5);
}

.form-input {
  display: block;
  width: 100%;
  margin-top: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-inner);
  font-size: var(--text-sm);
  line-height: var(--leading-sm);
  color: var(--color-on-surface);
  background-color: var(--color-surface-container-lowest);
  transition: border-color 200ms ease, box-shadow 200ms ease;
}

.form-input:focus {
  outline: none;
  border-color: var(--color-focus-ring);
  box-shadow: var(--shadow-inner), 0 0 0 3px rgba(90, 122, 181, 0.15);
}

.form-input--error {
  border-color: var(--color-error);
}

.form-input--error:focus {
  border-color: var(--color-error-focus);
  box-shadow: var(--shadow-inner), 0 0 0 3px rgba(var(--color-error-focus), 0.15);
}

/* ============================================================
   Form errors
   ============================================================ */

.form-errors {
  background-color: var(--color-error-bg);
  color: var(--color-error);
  padding: var(--space-2) var(--space-3);
  font-weight: 500;
  border-radius: var(--radius-sm);
  margin-top: var(--space-3);
}

.form-errors__list {
  list-style-type: disc;
  margin-left: var(--space-6);
  margin-top: var(--space-1);
}

/* ============================================================
   Submit button
   ============================================================ */

.form-submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  width: 100%;
  padding: var(--space-2) var(--space-6);
  font-size: var(--text-sm);
  font-weight: 500;
  line-height: var(--leading-sm);
  color: var(--color-on-primary);
  background: var(--gradient-primary);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  text-decoration: none;
  transition: filter 200ms ease-out, box-shadow 200ms ease-out;
}

.form-submit:hover {
  filter: brightness(0.92);
}

.form-submit:focus {
  outline: none;
  box-shadow: var(--shadow-focus);
}

/* ============================================================
   Secondary submit — transparent with ghost border
   ============================================================ */

.form-submit--secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  width: 100%;
  padding: var(--space-2) var(--space-6);
  font-size: var(--text-sm);
  font-weight: 500;
  line-height: var(--leading-sm);
  color: var(--color-primary);
  background: transparent;
  border: 1px solid var(--color-border-ghost);
  border-radius: var(--radius-md);
  cursor: pointer;
  text-decoration: none;
  transition: background-color 200ms ease-out;
}

.form-submit--secondary:hover {
  background-color: var(--color-surface-container-low);
}

@media (min-width: 640px) {
  .form-submit--secondary {
    width: auto;
  }
}

/* ============================================================
   Tertiary submit — text-only low-priority navigation
   ============================================================ */

.form-submit--tertiary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  font-weight: 500;
  line-height: var(--leading-sm);
  color: var(--color-primary);
  background: none;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  text-decoration: none;
  transition: color 200ms ease-out;
}

.form-submit--tertiary:hover {
  color: var(--color-primary-dim);
  text-decoration: underline;
}

@media (min-width: 640px) {
  .form-submit {
    width: auto;
  }
}

/* ============================================================
   Form container modifier — wider max-width (max-w-3xl)
   ============================================================ */

.form-container--wide {
  max-width: 48rem;
}

/* ============================================================
   Danger submit variants (destructive actions)
   ============================================================ */

.form-submit--danger-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  width: 100%;
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: 500;
  line-height: var(--leading-sm);
  color: var(--color-white);
  background: var(--gradient-danger);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  text-decoration: none;
  transition: filter 200ms ease-out, box-shadow 200ms ease-out;
}

.form-submit--danger-outline:hover {
  filter: brightness(0.92);
}

.form-submit--danger-outline:focus {
  outline: none;
  box-shadow: var(--shadow-focus);
}

@media (min-width: 640px) {
  .form-submit--danger-outline {
    width: auto;
  }
}

.form-submit--danger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  width: 100%;
  padding: var(--space-2) var(--space-6);
  font-size: var(--text-sm);
  font-weight: 500;
  line-height: var(--leading-sm);
  color: var(--color-white);
  background-color: var(--color-error);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  text-decoration: none;
  transition: background-color 200ms ease-out;
}

.form-submit--danger:hover {
  background-color: var(--color-error-focus);
}

.form-submit--danger:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

@media (min-width: 640px) {
  .form-submit--danger {
    width: auto;
  }
}

/* ============================================================
   Upload dropzone
   ============================================================ */

.form-upload-area {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: var(--space-8);
  border: 2px dashed var(--color-outline-variant);
  border-radius: var(--radius-lg);
  background-color: var(--color-surface-container-low);
  text-align: center;
  cursor: pointer;
  transition: border-color 200ms ease, background-color 200ms ease;
}

.form-upload-area:hover {
  border-color: var(--color-primary);
  background-color: var(--color-surface-container);
}

.form-upload-area > i {
  font-size: var(--text-5xl);
  color: var(--color-border-strong);
  margin-bottom: var(--space-4);
}

/* ============================================================
   Upload choose-file button
   ============================================================ */

.form-upload-btn {
  display: inline-block;
  background-color: var(--color-upload);
  color: var(--color-white);
  font-weight: 600;
  padding: var(--space-2) var(--space-6);
  border-radius: var(--radius-lg);
  cursor: pointer;
  text-decoration: none;
  transition: background-color 300ms ease;
}

.form-upload-btn:hover {
  background-color: var(--color-upload-hover);
}

/* ============================================================
   Upload file list grid
   ============================================================ */

.form-upload-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-2);
  padding-top: var(--space-3);
  padding-bottom: var(--space-3);
}

/* ============================================================
   Upload file card (hidden JS template + cloned cards)
   ============================================================ */

.form-file-card {
  position: relative;
  background-color: var(--color-surface-container-low);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

/* Icon containers */

.form-file-card__icon {
  flex-shrink: 0;
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.form-file-card__icon--success {
  background-color: var(--color-success-border);
  border: 2px solid var(--color-success-border-strong);
}

.form-file-card__icon--success i {
  font-size: var(--text-xl);
  color: var(--color-success);
}

.form-file-card__icon--loading {
  position: relative;
}

.form-file-card__icon--error {
  background-color: var(--color-error-border-subtle);
  border: 2px solid var(--color-error);
}

.form-file-card__icon--error i {
  font-size: var(--text-xl);
  color: var(--color-error);
}

/* Spinner */

.form-file-card__spinner {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 4px solid var(--color-border);
  border-top-color: var(--color-upload-border-hover);
  animation: spin 1s linear infinite;
}

.form-file-card__percentage-wrapper {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.form-file-card__percentage {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-upload-hover);
}

/* Info area */

.form-file-card__info {
  flex-grow: 1;
  overflow: hidden;
}

.form-file-card__name {
  font-size: var(--text-xs);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.form-file-card__name--loading {
  font-size: var(--text-sm);
  color: var(--color-text-strong);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.form-file-card__status--success {
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-success);
}

.form-file-card__status--loading {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.form-file-card__status--error {
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-error-focus);
}

/* Remove button */

.form-file-card__remove {
  flex-shrink: 0;
  width: 1.5rem;
  height: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-border-strong);
  background: none;
  border: none;
  cursor: pointer;
  transition: color 200ms ease;
}

.form-file-card__remove:hover {
  color: var(--color-error);
}

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

/* ============================================================
   Simple search fields row
   ============================================================ */

.simple-search__fields {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: 0.5em;
}

@media (min-width: 640px) {
  .simple-search__fields {
    flex-direction: row;
    align-items: stretch;
  }

  .simple-search__fields .form-input {
    margin-top: 0;
    flex: 1;
  }
}