/* styles.css · rellenar-formularios-pdf · 1000HW
 * Vanilla CSS · CSS Variables · BEM · NO Tailwind
 * Cache-bust: ?v=1
 */

/* ─── Variables ─────────────────────────────────────────── */
:root {
  --bg: #050505;
  --surface: #0a0a0a;
  --surface2: #111111;
  --surface3: #1a1a1a;
  --border: #222222;
  --border2: #333333;
  --text: #e0e0e0;
  --muted: #888888;
  --muted2: #aaaaaa;
  --accent: #ccff00;
  --accent-dim: rgba(204, 255, 0, 0.12);
  --accent-glow: rgba(204, 255, 0, 0.4);
  --danger: #ff4444;
  --danger-dim: rgba(255, 68, 68, 0.12);
  --warning: #ffaa00;
  --warning-dim: rgba(255, 170, 0, 0.12);
  --success: #44ff88;
  --success-dim: rgba(68, 255, 136, 0.12);
  --info: #44aaff;
  --font-display: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
  --radius: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --shadow: 0 4px 24px rgba(0,0,0,0.5);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.6);
  --transition: 200ms ease;
  --maxw: 1280px;
}

/* ─── Reset ──────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font-display);
  font-size: 15px;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-image: radial-gradient(#1a1a1a 1px, transparent 1px);
  background-size: 40px 40px;
  -webkit-font-smoothing: antialiased;
}

img, svg, canvas { display: block; max-width: 100%; }

a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover { text-decoration: underline; }

button {
  font-family: inherit;
  cursor: pointer;
  background: none;
  border: none;
  color: inherit;
}

/* ─── Accessibility ──────────────────────────────────────── */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 9999;
  padding: 0.75rem 1.5rem;
  background: var(--accent);
  color: var(--bg);
  font-weight: 700;
  text-decoration: none;
  border-radius: var(--radius);
  transition: left var(--transition);
}
.skip-link:focus { left: 0; top: 0; }

button:focus { outline: none; }
button:focus-visible,
*:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.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;
}

/* ─── Layout ─────────────────────────────────────────────── */
.nav {
  border-bottom: 1px solid var(--border);
  padding: 1rem;
  background: rgba(5,5,5,0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 40;
}
.nav__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.nav__back {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-family: var(--font-mono);
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transition: color var(--transition);
}
.nav__back:hover { color: var(--accent); text-decoration: none; }
.nav__back:hover .nav__arrow { transform: translateX(-3px); }
.nav__arrow { display: inline-block; transition: transform var(--transition); }
.nav__brand {
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}
.accent { color: var(--accent); }

.lang-toggle {
  background: var(--surface2);
  border: 1px solid var(--border2);
  color: var(--text);
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 700;
  transition: all var(--transition);
  cursor: pointer;
}
.lang-toggle:hover {
  border-color: var(--accent);
  background: var(--accent-dim);
  color: var(--accent);
}

.main {
  flex-grow: 1;
  padding: 2rem 1rem;
  position: relative;
  z-index: 0;
}
.container {
  max-width: var(--maxw);
  margin: 0 auto;
}

/* ─── Hero ───────────────────────────────────────────────── */
.hero-header {
  margin-bottom: 2.5rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border);
}
.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}
.tag {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border: 1px solid var(--border2);
  background: var(--surface);
  color: var(--muted2);
  border-radius: 4px;
}
.tag--private { color: var(--success); border-color: var(--success); }
.tag--offline { color: var(--info); border-color: var(--info); }
.tag--bil { color: var(--accent); border-color: var(--accent); }
.tag--acro { color: var(--warning); border-color: var(--warning); }
.tag--free { color: var(--accent); border-color: var(--accent); background: var(--accent-dim); }

.hero-h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.05;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
  color: #fff;
}
.hero-lede {
  color: var(--muted2);
  font-size: 1.05rem;
  max-width: 60ch;
  margin-bottom: 1.25rem;
  line-height: 1.6;
}
.hero-disclaimer {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  background: var(--warning-dim);
  border-left: 3px solid var(--warning);
  border-radius: var(--radius);
  font-size: 0.9rem;
  color: var(--muted2);
  max-width: 75ch;
}
.disclaimer-icon { flex-shrink: 0; color: var(--warning); margin-top: 0.15rem; }

/* ─── Tool area ──────────────────────────────────────────── */
.tool-area {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  margin-bottom: 2.5rem;
}

/* ─── Dropzone ───────────────────────────────────────────── */
.dropzone {
  border: 2px dashed var(--border2);
  border-radius: var(--radius-lg);
  padding: 2.5rem 1.5rem;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition);
  background: var(--bg);
  margin-bottom: 1.5rem;
  position: relative;
}
.dropzone:hover, .dropzone--active {
  border-color: var(--accent);
  background: var(--accent-dim);
}
.dropzone__icon {
  margin: 0 auto 1rem;
  width: 64px;
  height: 64px;
  color: var(--muted);
}
.dropzone__title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: #fff;
}
.dropzone__hint {
  font-size: 0.875rem;
  color: var(--muted);
  margin-bottom: 0.5rem;
}
.dropzone__format {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--muted);
  letter-spacing: 0.05em;
}
.dropzone__input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}
.dropzone--has-file {
  border-style: solid;
  border-color: var(--accent);
  background: var(--accent-dim);
}

/* ─── File info ──────────────────────────────────────────── */
.file-info {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background: var(--surface2);
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  margin-bottom: 1.5rem;
}
.file-info__item { flex-grow: 1; display: flex; align-items: center; gap: 0.5rem; min-width: 0; }
.file-info__icon { font-size: 1.5rem; }
.file-info__name {
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: #fff;
}
.file-info__meta {
  display: flex;
  gap: 1rem;
  font-size: 0.8rem;
  color: var(--muted);
}
.file-info__detail { font-family: var(--font-mono); }

/* ─── Buttons ────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  transition: all var(--transition);
  border: 1px solid transparent;
  white-space: nowrap;
  font-family: inherit;
  line-height: 1;
}
.btn:disabled { opacity: 0.4; cursor: not-allowed; }

.btn--primary {
  background: var(--accent);
  color: var(--bg);
}
.btn--primary:hover:not(:disabled) {
  background: #d6ff33;
  box-shadow: 0 0 24px var(--accent-glow);
  transform: translateY(-1px);
}

.btn--secondary {
  background: var(--surface2);
  color: var(--text);
  border-color: var(--border2);
}
.btn--secondary:hover:not(:disabled) {
  border-color: var(--accent);
  color: var(--accent);
}

.btn--ghost {
  background: transparent;
  color: var(--muted);
  border-color: var(--border);
}
.btn--ghost:hover:not(:disabled) {
  color: var(--text);
  border-color: var(--border2);
}

.btn--danger {
  background: var(--danger-dim);
  color: var(--danger);
  border-color: var(--danger);
}

.btn--lg { padding: 1rem 2rem; font-size: 1.05rem; }
.btn--sm { padding: 0.5rem 1rem; font-size: 0.85rem; }
.btn--block { width: 100%; }

/* ─── Mode selector ──────────────────────────────────────── */
.mode-selector {
  margin-bottom: 1.5rem;
  padding: 1rem;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.mode-selector__label {
  font-size: 0.85rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.75rem;
  font-weight: 600;
}
.mode-options {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.mode-option {
  flex: 1;
  min-width: 200px;
  padding: 0.75rem 1rem;
  background: var(--surface);
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
  text-align: left;
}
.mode-option:hover { border-color: var(--accent); }
.mode-option--active {
  background: var(--accent-dim);
  border-color: var(--accent);
}
.mode-option__title {
  font-weight: 600;
  font-size: 0.9rem;
  color: #fff;
  margin-bottom: 0.25rem;
}
.mode-option__desc {
  font-size: 0.75rem;
  color: var(--muted);
}

.mode-detected {
  padding: 0.75rem 1rem;
  background: var(--success-dim);
  border: 1px solid var(--success);
  border-radius: var(--radius);
  font-size: 0.875rem;
  color: var(--success);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* ─── Workspace (split layout) ───────────────────────────── */
.workspace {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 1.5rem;
  margin-bottom: 2rem;
}
@media (max-width: 900px) {
  .workspace { grid-template-columns: 1fr; }
}

.fields-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1rem;
  max-height: 80vh;
  overflow-y: auto;
  position: sticky;
  top: 5rem;
}
.fields-panel__title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.fields-panel__count {
  font-size: 0.7rem;
  font-family: var(--font-mono);
  color: var(--muted);
  background: var(--surface2);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
}
.fields-panel__empty {
  font-size: 0.85rem;
  color: var(--muted);
  padding: 1rem 0;
  text-align: center;
}

.field-card {
  padding: 0.75rem;
  margin-bottom: 0.75rem;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all var(--transition);
}
.field-card:hover { border-color: var(--border2); }
.field-card--filled { border-color: var(--success); background: var(--success-dim); }
.field-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}
.field-card__name {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
}
.field-card__type {
  font-size: 0.65rem;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.1rem 0.35rem;
  background: var(--surface3);
  color: var(--muted2);
  border-radius: 3px;
  flex-shrink: 0;
}
.field-card__type--text { color: var(--info); }
.field-card__type--checkbox { color: var(--accent); }
.field-card__type--radio { color: var(--warning); }
.field-card__type--dropdown { color: var(--success); }

.field-card__input,
.field-card__select {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border2);
  color: var(--text);
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
  font-size: 0.875rem;
  font-family: inherit;
  transition: border-color var(--transition);
}
.field-card__input:focus,
.field-card__select:focus {
  border-color: var(--accent);
  outline: none;
}
.field-card__input--multiline {
  resize: vertical;
  min-height: 80px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

.field-card__checkbox {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  padding: 0.4rem 0;
}
.field-card__checkbox input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--accent);
  cursor: pointer;
}

.field-card__radio-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.field-card__radio {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.5rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.85rem;
  transition: all var(--transition);
}
.field-card__radio:hover { border-color: var(--border2); }
.field-card__radio--selected { border-color: var(--accent); background: var(--accent-dim); }
.field-card__radio input[type="radio"] { accent-color: var(--accent); cursor: pointer; }

.field-card__badges {
  display: flex;
  gap: 0.35rem;
  margin-top: 0.5rem;
  flex-wrap: wrap;
}
.field-card__badge {
  font-size: 0.6rem;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.1rem 0.3rem;
  background: var(--surface3);
  color: var(--muted);
  border-radius: 3px;
}
.field-card__badge--req { color: var(--danger); }
.field-card__badge--ro { color: var(--muted); }

/* ─── Preview area ───────────────────────────────────────── */
.preview {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1rem;
  min-height: 500px;
  display: flex;
  flex-direction: column;
}
.preview__toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}
.preview__pagination {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}
.preview__page-num {
  background: var(--bg);
  border: 1px solid var(--border2);
  color: var(--text);
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  width: 3.5rem;
  text-align: center;
  font-family: var(--font-mono);
}
.preview__canvas-wrap {
  flex-grow: 1;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: auto;
  padding: 1rem;
  position: relative;
  min-height: 400px;
}
.preview__canvas {
  background: white;
  box-shadow: var(--shadow);
  position: relative;
  max-width: 100%;
  display: block;
  margin: 0 auto;
}
.preview__empty {
  text-align: center;
  color: var(--muted);
  padding: 3rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.9rem;
}

/* ─── Overlay box (click-to-add) ─────────────────────────── */
.overlay-box {
  position: absolute;
  background: rgba(204, 255, 0, 0.1);
  border: 1px dashed var(--accent);
  border-radius: 2px;
  cursor: move;
  display: flex;
  align-items: center;
  padding: 2px 4px;
  font-size: 11px;
  font-family: var(--font-display);
  color: var(--bg);
  white-space: pre-wrap;
  overflow: hidden;
  user-select: none;
}
.overlay-box__remove {
  position: absolute;
  top: -8px;
  right: -8px;
  width: 18px;
  height: 18px;
  background: var(--danger);
  color: white;
  border-radius: 50%;
  font-size: 11px;
  line-height: 1;
  display: none;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border: none;
  font-weight: 700;
}
.overlay-box:hover .overlay-box__remove { display: flex; }
.overlay-box--editing {
  background: white;
  border: 2px solid var(--accent);
  outline: none;
}

/* ─── Signature panel ────────────────────────────────────── */
.signature-panel {
  margin-top: 1.5rem;
  padding: 1rem;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.signature-panel__title {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.signature-panel__instruction {
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 0.75rem;
}
.signature-canvas-wrap {
  background: white;
  border: 2px dashed var(--border2);
  border-radius: var(--radius);
  padding: 0.5rem;
  margin-bottom: 0.75rem;
  cursor: crosshair;
}
.signature-canvas {
  background: white;
  display: block;
  width: 100%;
  height: 150px;
  touch-action: none;
}
.signature-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.signature-honesty {
  font-size: 0.75rem;
  color: var(--muted);
  margin-top: 0.75rem;
  padding: 0.5rem 0.75rem;
  background: var(--bg);
  border-radius: 4px;
  border-left: 3px solid var(--warning);
}

/* ─── Alerts ─────────────────────────────────────────────── */
.alert {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 1rem;
  border-radius: var(--radius);
  margin-bottom: 1rem;
  font-size: 0.875rem;
}
.alert--warning {
  background: var(--warning-dim);
  border: 1px solid var(--warning);
  color: var(--warning);
}
.alert--danger {
  background: var(--danger-dim);
  border: 1px solid var(--danger);
  color: var(--danger);
}
.alert--success {
  background: var(--success-dim);
  border: 1px solid var(--success);
  color: var(--success);
}
.alert--info {
  background: rgba(68, 170, 255, 0.12);
  border: 1px solid var(--info);
  color: var(--info);
}
.alert__icon { flex-shrink: 0; margin-top: 0.15rem; }

.privacy-notice {
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.85rem;
  color: var(--muted);
  text-align: center;
}

/* ─── Checkbox row (flatten option) ──────────────────────── */
.option-row {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 1rem;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 1rem;
}
.option-row__checkbox { margin-top: 0.2rem; }
.option-row__checkbox input { width: 18px; height: 18px; accent-color: var(--accent); cursor: pointer; }
.option-row__body { flex: 1; }
.option-row__title { font-weight: 600; margin-bottom: 0.25rem; }
.option-row__desc { font-size: 0.85rem; color: var(--muted); }

/* ─── Status bar ─────────────────────────────────────────── */
.status-bar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 1rem;
  font-size: 0.875rem;
  color: var(--muted);
}
.status-bar__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--muted);
  flex-shrink: 0;
}
.status-bar--loading .status-bar__dot { background: var(--info); animation: pulse 1.5s infinite; }
.status-bar--ready .status-bar__dot { background: var(--success); }
.status-bar--error .status-bar__dot { background: var(--danger); }

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

/* ─── Spinner ────────────────────────────────────────────── */
.spinner {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.875rem;
}
.spinner__ring {
  width: 18px;
  height: 18px;
  border: 2px solid var(--border2);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ─── FAQ ────────────────────────────────────────────────── */
.faq { margin-top: 3rem; }
.faq__title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: #fff;
}
.faq__item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 0.75rem;
  transition: border-color var(--transition);
}
.faq__item:hover { border-color: var(--border2); }
.faq__item[open] { border-color: var(--accent); }
.faq__question {
  padding: 1rem 1.25rem;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.95rem;
  list-style: none;
  position: relative;
  padding-right: 3rem;
}
.faq__question::-webkit-details-marker { display: none; }
.faq__question::after {
  content: '+';
  position: absolute;
  right: 1.25rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.5rem;
  color: var(--accent);
  font-weight: 300;
  transition: transform var(--transition);
}
.faq__item[open] .faq__question::after { content: '−'; }
.faq__answer {
  padding: 0 1.25rem 1.25rem;
  color: var(--muted2);
  font-size: 0.9rem;
  line-height: 1.7;
}

/* ─── About (long-content) ───────────────────────────────── */
.about {
  margin-top: 3rem;
  padding: 2rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}
.about__title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: #fff;
}
.about h2 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent);
  margin-top: 1.75rem;
  margin-bottom: 0.5rem;
}
.about__p {
  color: var(--muted2);
  font-size: 0.9rem;
  line-height: 1.75;
  margin-bottom: 1rem;
}
.about ul {
  margin: 0.5rem 0 1rem 1.5rem;
  color: var(--muted2);
  font-size: 0.9rem;
  line-height: 1.75;
}
.about ul li { margin-bottom: 0.4rem; }
.about ul li strong { color: var(--text); }

/* ─── Footer ─────────────────────────────────────────────── */
.footer {
  text-align: center;
  padding: 2rem 1rem;
  border-top: 1px solid var(--border);
  background: rgba(5,5,5,0.92);
}
.footer__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  align-items: center;
}
.footer__disclaimer {
  font-size: 0.78rem;
  color: var(--muted);
  max-width: 70ch;
  line-height: 1.6;
}
.footer__brand {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--muted2);
  text-transform: uppercase;
  letter-spacing: 0.15em;
}

/* ─── Toast (donation) ───────────────────────────────────── */
.toast {
  position: fixed;
  bottom: 1rem;
  right: 1rem;
  z-index: 50;
  max-width: calc(100vw - 2rem);
  animation: slideUp 0.7s ease-out;
}
@keyframes slideUp {
  from { transform: translateY(150%); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}
.toast__inner {
  background: var(--surface);
  border: 1px solid var(--border2);
  padding: 1rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 1rem;
  min-width: 320px;
  max-width: 400px;
}
.toast__icon {
  color: var(--accent);
  flex-shrink: 0;
  width: 24px;
  height: 24px;
}
.toast__body { flex-grow: 1; font-size: 0.85rem; color: var(--muted2); line-height: 1.4; }
.toast__actions {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding-left: 0.75rem;
  border-left: 1px solid var(--border);
}
.toast__cta {
  font-size: 0.7rem;
  font-family: var(--font-mono);
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 700;
}
.toast__cta:hover { color: white; text-decoration: none; }
.toast__dismiss {
  font-size: 0.7rem;
  font-family: var(--font-mono);
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.toast__dismiss:hover { color: white; }

@media (max-width: 600px) {
  .toast { left: 0.5rem; right: 0.5rem; bottom: 0.5rem; }
  .toast__inner { min-width: 0; max-width: none; }
}

/* ─── Offline banner ─────────────────────────────────────── */
.offline-banner {
  background: var(--warning-dim);
  border-bottom: 1px solid var(--warning);
  color: var(--warning);
  padding: 0.5rem 1rem;
  text-align: center;
  font-size: 0.85rem;
}

/* ─── Modal ──────────────────────────────────────────────── */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  z-index: 90;
}
.modal-content {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 100;
  background: var(--surface);
  border: 1px solid var(--border2);
  border-radius: var(--radius-lg);
  padding: 2rem;
  max-width: 500px;
  width: calc(100vw - 2rem);
  box-shadow: var(--shadow-lg);
}
.modal__title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: #fff;
}
.modal__msg {
  color: var(--muted2);
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
  line-height: 1.6;
}
.modal__actions {
  display: flex;
  gap: 0.75rem;
  justify-content: flex-end;
}

/* ─── Reduced motion ─────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ─── Print ──────────────────────────────────────────────── */
@media print {
  .nav, .footer, .toast, .offline-banner, .dropzone, .mode-selector, .fields-panel, .preview__toolbar { display: none !important; }
  body { background: white; color: black; }
}

/* ─── HowTo step badges (decorative in JSON-LD text) ─────── */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin: 2rem 0;
}
.step-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  position: relative;
}
.step-card__num {
  position: absolute;
  top: -12px;
  left: 16px;
  background: var(--accent);
  color: var(--bg);
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  font-family: var(--font-mono);
}
.step-card__title {
  font-size: 0.95rem;
  font-weight: 600;
  margin: 0.5rem 0 0.25rem;
  color: #fff;
}
.step-card__desc {
  font-size: 0.8rem;
  color: var(--muted);
  line-height: 1.5;
}