/* Archivo Negro — Upload Widget Styles */
/* Dark theme matching archivonegro.org branding */
/* Mobile-first, WCAG 2.1 AA compliant */

/* --- Custom properties (archivonegro.org palette) --- */
.an-widget {
  --an-primary: #ffffff;
  --an-accent: #0071e3;
  --an-accent-hover: #0082f3;
  --an-error: #ea384c;
  --an-success: #30d158;
  --an-bg: #0d0d11;
  --an-bg-subtle: #1a1a22;
  --an-bg-card: #16161d;
  --an-border: #81818b40;
  --an-border-focus: #0071e3;
  --an-text: #ffffff;
  --an-text-light: #81818be6;
  --an-text-muted: #81818b;
  --an-radius: 8px;
  --an-radius-sm: 4px;
  --an-font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --an-space-xs: 0.25rem;
  --an-space-sm: 0.5rem;
  --an-space-md: 1rem;
  --an-space-lg: 1.5rem;
  --an-space-xl: 2rem;

  font-family: var(--an-font);
  color: var(--an-text);
  line-height: 1.5;
  max-width: 640px;
  margin: 0 auto;
  padding: var(--an-space-md);
  background: var(--an-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.an-widget *,
.an-widget *::before,
.an-widget *::after {
  box-sizing: border-box;
}

/* --- Logo header --- */
.an-header {
  text-align: center;
  margin-bottom: var(--an-space-xl);
  padding-bottom: var(--an-space-lg);
  border-bottom: 1px solid var(--an-border);
}

.an-logo {
  height: 32px;
  width: auto;
  opacity: 0.9;
}

/* --- Screen reader only --- */
.an-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* --- Step Indicator --- */
.an-steps ol {
  display: flex;
  list-style: none;
  padding: 0;
  margin: 0 0 var(--an-space-xl);
  gap: var(--an-space-xs);
}

.an-step {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--an-space-xs);
  position: relative;
}

.an-step__number {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  font-weight: 600;
  border: 2px solid var(--an-border);
  color: var(--an-text-muted);
  background: var(--an-bg);
  transition: all 0.2s;
}

.an-step__label {
  font-size: 0.75rem;
  color: var(--an-text-muted);
  text-align: center;
  transition: color 0.2s;
}

.an-step--active .an-step__number {
  background: var(--an-accent);
  border-color: var(--an-accent);
  color: #fff;
}

.an-step--active .an-step__label {
  color: var(--an-accent);
  font-weight: 600;
}

.an-step--done .an-step__number {
  background: var(--an-success);
  border-color: var(--an-success);
  color: #fff;
}

.an-step--done .an-step__label {
  color: var(--an-success);
}

/* --- Panels --- */
.an-panel {
  animation: an-fadeIn 0.2s ease;
}

@keyframes an-fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.an-panel h2 {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0 0 var(--an-space-sm);
  color: var(--an-primary);
  outline: none;
}

.an-panel > p {
  margin: 0 0 var(--an-space-lg);
  color: var(--an-text-light);
  font-size: 0.9375rem;
}

/* --- Dropzone --- */
.an-dropzone {
  border: 2px dashed var(--an-border);
  border-radius: var(--an-radius);
  padding: var(--an-space-xl);
  text-align: center;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
  margin-bottom: var(--an-space-md);
  background: var(--an-bg-subtle);
}

.an-dropzone:hover,
.an-dropzone:focus-visible {
  border-color: var(--an-accent);
  background: rgba(0, 113, 227, 0.08);
}

.an-dropzone--active {
  border-color: var(--an-accent);
  background: rgba(0, 113, 227, 0.12);
}

.an-dropzone:focus-visible {
  outline: 2px solid var(--an-accent);
  outline-offset: 2px;
}

.an-dropzone__icon {
  color: var(--an-text-muted);
  margin-bottom: var(--an-space-sm);
}

.an-dropzone__text {
  font-weight: 600;
  margin: 0 0 var(--an-space-xs);
  color: var(--an-text);
}

.an-dropzone__divider {
  color: var(--an-text-muted);
  font-size: 0.875rem;
  margin: var(--an-space-xs) 0;
}

/* --- Buttons --- */
.an-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.625rem 1.25rem;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--an-radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.15s;
  font-family: inherit;
  line-height: 1.4;
}

.an-btn:focus-visible {
  outline: 2px solid var(--an-accent);
  outline-offset: 2px;
}

.an-btn--primary {
  background: var(--an-accent);
  color: #fff;
  border-color: var(--an-accent);
}

.an-btn--primary:hover:not(:disabled) {
  background: var(--an-accent-hover);
  border-color: var(--an-accent-hover);
}

.an-btn--primary:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.an-btn--secondary {
  background: transparent;
  color: var(--an-accent);
  border-color: var(--an-accent);
}

.an-btn--secondary:hover {
  background: rgba(0, 113, 227, 0.1);
}

.an-btn--outline {
  background: transparent;
  color: var(--an-text);
  border-color: var(--an-border);
}

.an-btn--outline:hover {
  border-color: var(--an-text-muted);
}

/* --- Navigation --- */
.an-nav {
  display: flex;
  justify-content: flex-end;
  gap: var(--an-space-sm);
  margin-top: var(--an-space-xl);
  padding-top: var(--an-space-lg);
  border-top: 1px solid var(--an-border);
}

/* --- Error messages --- */
.an-error {
  background: rgba(234, 56, 76, 0.1);
  border: 1px solid rgba(234, 56, 76, 0.3);
  border-radius: var(--an-radius-sm);
  padding: var(--an-space-sm) var(--an-space-md);
  margin-bottom: var(--an-space-sm);
  color: var(--an-error);
  font-size: 0.875rem;
}

.an-error p {
  margin: 0;
}

.an-field-error {
  color: var(--an-error);
  font-size: 0.8125rem;
  margin-top: var(--an-space-xs);
}

/* --- File list --- */
.an-file-list {
  display: flex;
  flex-direction: column;
  gap: var(--an-space-sm);
  margin-bottom: var(--an-space-md);
}

.an-file-item {
  display: flex;
  align-items: center;
  gap: var(--an-space-sm);
  padding: var(--an-space-sm) var(--an-space-md);
  border: 1px solid var(--an-border);
  border-radius: var(--an-radius-sm);
  background: var(--an-bg-card);
  flex-wrap: wrap;
}

.an-file-item[data-upload-status="complete"] {
  border-color: rgba(48, 209, 88, 0.4);
  background: rgba(48, 209, 88, 0.06);
}

.an-file-item[data-upload-status="error"] {
  border-color: rgba(234, 56, 76, 0.4);
  background: rgba(234, 56, 76, 0.06);
}

.an-file-preview {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  border-radius: var(--an-radius-sm);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--an-bg-subtle);
}

.an-file-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.an-file-icon {
  color: var(--an-text-muted);
}

.an-file-info {
  flex: 1;
  min-width: 0;
}

.an-file-name {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--an-text);
}

.an-file-size {
  font-size: 0.75rem;
  color: var(--an-text-muted);
}

.an-file-progress {
  width: 100%;
  flex-basis: 100%;
  order: 10;
}

.an-progress-bar {
  height: 4px;
  background: var(--an-bg-subtle);
  border-radius: 2px;
  overflow: hidden;
}

.an-progress-fill {
  height: 100%;
  background: var(--an-accent);
  border-radius: 2px;
  transition: width 0.2s;
  width: 0%;
}

.an-file-actions {
  display: flex;
  align-items: center;
  gap: var(--an-space-sm);
  flex-shrink: 0;
}

.an-file-status {
  font-size: 0.75rem;
  font-weight: 500;
}

[data-file-status="uploading"] { color: var(--an-accent); }
[data-file-status="complete"] { color: var(--an-success); }
[data-file-status="error"] { color: var(--an-error); }

.an-file-remove {
  background: none;
  border: none;
  font-size: 1.25rem;
  color: var(--an-text-muted);
  cursor: pointer;
  padding: 0 var(--an-space-xs);
  line-height: 1;
}

.an-file-remove:hover { color: var(--an-error); }

.an-file-remove:focus-visible {
  outline: 2px solid var(--an-accent);
  outline-offset: 2px;
  border-radius: 2px;
}

.an-file-retry {
  background: none;
  border: 1px solid var(--an-error);
  color: var(--an-error);
  font-size: 0.75rem;
  padding: 0.125rem 0.5rem;
  border-radius: var(--an-radius-sm);
  cursor: pointer;
}

.an-file-retry:hover {
  background: rgba(234, 56, 76, 0.1);
}

/* --- Upload summary --- */
.an-upload-summary {
  font-size: 0.875rem;
  color: var(--an-text-light);
  margin-bottom: var(--an-space-md);
}

.an-upload-summary p {
  margin: 0;
}

/* --- Form fields --- */
.an-form-group {
  margin-bottom: var(--an-space-lg);
}

.an-form-group label,
.an-form-group legend {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: var(--an-space-xs);
  color: var(--an-text);
}

.an-form-group fieldset {
  border: none;
  padding: 0;
  margin: 0;
}

.an-form-group input[type="text"],
.an-form-group input[type="email"],
.an-form-group textarea,
.an-form-group select {
  width: 100%;
  padding: 0.5rem 0.75rem;
  font-size: 0.9375rem;
  border: 1px solid var(--an-border);
  border-radius: var(--an-radius-sm);
  background: var(--an-bg-subtle);
  color: var(--an-text);
  font-family: inherit;
  line-height: 1.5;
  transition: border-color 0.15s;
}

.an-form-group input::placeholder,
.an-form-group textarea::placeholder {
  color: var(--an-text-muted);
}

.an-form-group input:focus,
.an-form-group textarea:focus,
.an-form-group select:focus {
  outline: none;
  border-color: var(--an-border-focus);
  box-shadow: 0 0 0 3px rgba(0, 113, 227, 0.2);
}

.an-form-group textarea {
  resize: vertical;
  min-height: 60px;
}

.an-form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2381818b' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2rem;
}

.an-form-group select option {
  background: var(--an-bg-card);
  color: var(--an-text);
}

.an-hint {
  font-size: 0.8125rem;
  color: var(--an-text-muted);
  margin-top: var(--an-space-xs);
}

.an-required {
  color: var(--an-error);
}

/* --- Radio & Checkbox --- */
.an-radio-group {
  display: flex;
  flex-direction: column;
  gap: var(--an-space-sm);
}

.an-radio,
.an-checkbox {
  display: flex;
  align-items: flex-start;
  gap: var(--an-space-sm);
  font-size: 0.9375rem;
  cursor: pointer;
  color: var(--an-text);
}

.an-radio input,
.an-checkbox input {
  margin-top: 0.25rem;
  flex-shrink: 0;
  accent-color: var(--an-accent);
  width: 16px;
  height: 16px;
}

.an-license-desc {
  display: block;
  font-size: 0.8125rem;
  color: var(--an-text-muted);
  font-weight: 400;
  margin-top: 0.125rem;
  line-height: 1.4;
}

.an-consent-text {
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--an-text-light);
}

.an-consent-group {
  background: var(--an-bg-subtle);
  padding: var(--an-space-md);
  border-radius: var(--an-radius);
  border: 1px solid var(--an-border);
}

/* --- Metadata cards --- */
.an-metadata-forms {
  display: flex;
  flex-direction: column;
  gap: var(--an-space-lg);
}

.an-metadata-card {
  border: 1px solid var(--an-border);
  border-radius: var(--an-radius);
  padding: var(--an-space-md);
  background: var(--an-bg-card);
}

.an-metadata-card__title {
  font-size: 1rem;
  font-weight: 600;
  margin: 0 0 var(--an-space-md);
  padding-bottom: var(--an-space-sm);
  border-bottom: 1px solid var(--an-border);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--an-text);
}

/* --- Review --- */
.an-review {
  display: flex;
  flex-direction: column;
  gap: var(--an-space-lg);
  margin-bottom: var(--an-space-lg);
}

.an-review__section h3 {
  font-size: 0.9375rem;
  font-weight: 700;
  margin: 0 0 var(--an-space-sm);
  color: var(--an-primary);
}

.an-review__files {
  display: flex;
  flex-direction: column;
  gap: var(--an-space-xs);
}

.an-review__file {
  font-size: 0.875rem;
  padding: var(--an-space-xs) 0;
  color: var(--an-text-light);
}

.an-review__dl {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--an-space-xs) var(--an-space-md);
  font-size: 0.875rem;
  margin: 0;
}

.an-review__dl dt {
  font-weight: 600;
  color: var(--an-text-muted);
}

.an-review__dl dd {
  margin: 0;
  color: var(--an-text);
}

/* --- Turnstile --- */
.an-turnstile {
  margin-bottom: var(--an-space-lg);
}

/* --- Success --- */
.an-success {
  text-align: center;
  padding: var(--an-space-xl);
}

.an-success__icon {
  color: var(--an-success);
  margin-bottom: var(--an-space-md);
}

.an-reference-id {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--an-primary);
  background: var(--an-bg-subtle);
  padding: var(--an-space-sm) var(--an-space-md);
  border-radius: var(--an-radius);
  display: inline-block;
  margin: var(--an-space-sm) 0 var(--an-space-md);
  letter-spacing: 0.05em;
  border: 1px solid var(--an-border);
}

/* --- Responsive (tablet+) --- */
@media (min-width: 640px) {
  .an-widget {
    padding: var(--an-space-xl);
  }

  .an-step__label {
    font-size: 0.8125rem;
  }

  .an-dropzone {
    padding: var(--an-space-xl) var(--an-space-xl);
  }

  .an-file-progress {
    flex-basis: auto;
    width: 120px;
    order: initial;
  }

  .an-file-item {
    flex-wrap: nowrap;
  }
}