/* ============================================================
   WordBench.ai — Dark Theme (OpenInsight-harmonized)
   Palette & motifs aligned with OpenInsight_Company apps:
   - Outfit font, #0a0a0f background, tan-gold accent (#d4a574)
   - Glass cards with subtle white overlays
   ============================================================ */

:root {
  --bg-primary:     #0a0a0f;
  --bg-secondary:   #12121a;
  --bg-tertiary:    #1a1a24;
  --bg-input:       #12121a;

  --accent:         #d4a574;
  --accent-mid:     #c9956c;
  --accent-deep:    #b8845f;
  --accent-light:   #e5c4a8;
  --accent-gradient: linear-gradient(135deg, #d4a574 0%, #c9956c 50%, #b8845f 100%);
  --accent-text-gradient: linear-gradient(135deg, #d4a574 0%, #e5c4a8 100%);

  --border-default: rgba(255,255,255,0.10);
  --border-subtle:  rgba(255,255,255,0.06);
  --border-strong:  rgba(255,255,255,0.18);

  --glass-bg: linear-gradient(135deg, rgba(255,255,255,0.03) 0%, rgba(255,255,255,0.01) 100%);
  --glass-highlight: linear-gradient(135deg, rgba(212,165,116,0.08) 0%, rgba(212,165,116,0.03) 100%);

  --text-primary:   #ffffff;
  --text-secondary: #a8a8b3;
  --text-muted:     #6a6a75;

  --success-bg:     rgba(76,175,80,0.08);
  --success-border: rgba(76,175,80,0.35);
  --success-text:   #6fcf74;
  --error-bg:       rgba(239,83,80,0.08);
  --error-border:   rgba(239,83,80,0.35);
  --error-text:     #ef5350;

  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 18px;
  --radius-pill: 999px;

  --glow-accent: 0 0 40px rgba(212,165,116,0.15), 0 0 80px rgba(212,165,116,0.05);
  --glow-accent-strong: 0 10px 40px rgba(212,165,116,0.30);
  --ring-accent: 0 0 0 1px rgba(212,165,116,0.35), 0 4px 20px rgba(212,165,116,0.12);
}

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

html, body { background: var(--bg-primary); }

body {
  font-family: "Outfit", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: var(--text-primary);
  min-height: 100vh;
  padding: 0 1rem 3rem;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  position: relative;
}

/* Ambient glow in the background */
body::before {
  content: "";
  position: fixed;
  top: -20vh;
  left: 50%;
  transform: translateX(-50%);
  width: 80vw;
  height: 60vh;
  background: radial-gradient(ellipse at center, rgba(212,165,116,0.06) 0%, rgba(212,165,116,0) 60%);
  pointer-events: none;
  z-index: 0;
}

.container {
  max-width: 760px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

/* ============================================================
   Scrollbar
   ============================================================ */

::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: #2a2a35; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #3a3a45; }

/* ============================================================
   Header — sticky glassmorphism
   ============================================================ */

header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10,10,15,0.72);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--border-subtle);
  margin-left: calc(-50vw + 50%);
  margin-right: calc(-50vw + 50%);
  padding: 0 1.25rem;
  margin-bottom: 2.5rem;
}

.header-inner {
  max-width: 760px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 0.85rem 0;
}

.header-spacer { }

.header-brand {
  display: flex;
  justify-content: center;
  align-items: center;
}

.header-logo {
  height: 96px;
  width: auto;
  display: block;
}

.header-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.55rem;
  flex-wrap: wrap;
}

/* ============================================================
   Buttons
   ============================================================ */

.btn-primary {
  background: var(--accent-gradient);
  color: var(--bg-primary);
  border: none;
  border-radius: var(--radius-pill);
  padding: 0.9rem 2.25rem;
  font-size: 1rem;
  font-weight: 600;
  font-family: inherit;
  letter-spacing: 0.01em;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  transition: transform 0.3s ease, box-shadow 0.3s ease, opacity 0.2s;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--glow-accent-strong);
}

.btn-primary:disabled {
  background: #26262e;
  color: var(--text-muted);
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-pill);
  padding: 0.5rem 1rem;
  font-size: 0.88rem;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: border-color 0.3s, color 0.3s, background 0.3s;
  white-space: nowrap;
}

.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(212,165,116,0.04);
}

/* ============================================================
   Credits badge
   ============================================================ */

.credits-badge {
  background: rgba(212,165,116,0.10);
  color: var(--accent);
  border: 1px solid rgba(212,165,116,0.25);
  border-radius: var(--radius-pill);
  padding: 0.38rem 0.9rem;
  font-size: 0.88rem;
  font-weight: 500;
  white-space: nowrap;
}

/* ============================================================
   Mode selector
   ============================================================ */

.mode-selector {
  display: flex;
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-pill);
  padding: 4px;
  margin-bottom: 1.5rem;
  gap: 4px;
}

.mode-btn {
  flex: 1;
  background: none;
  border: none;
  border-radius: var(--radius-pill);
  padding: 0.65rem 1rem;
  font-size: 0.95rem;
  font-weight: 500;
  font-family: inherit;
  color: var(--text-secondary);
  cursor: pointer;
  transition: background 0.3s, color 0.3s, box-shadow 0.3s;
}

.mode-btn:hover:not(.active):not(:disabled) { color: var(--text-primary); }

.mode-btn.active {
  background: var(--accent-gradient);
  color: var(--bg-primary);
  font-weight: 600;
  box-shadow: 0 4px 16px rgba(212,165,116,0.25);
}

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

/* ============================================================
   Steps (glass cards)
   ============================================================ */

.step {
  display: flex;
  gap: 1.25rem;
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.6rem;
  margin-bottom: 1.25rem;
  transition: box-shadow 0.3s ease, transform 0.3s ease, border-color 0.3s;
}

.step:hover {
  box-shadow: var(--glow-accent);
  transform: translateY(-1px);
  border-color: rgba(212,165,116,0.18);
}

.step-number {
  flex-shrink: 0;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--accent-gradient);
  color: var(--bg-primary);
  font-weight: 700;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
  box-shadow: 0 4px 16px rgba(212,165,116,0.25);
}

.step-content { flex: 1; min-width: 0; }

.step-content h2 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

/* ============================================================
   Drop zone
   ============================================================ */

.drop-zone {
  border: 1.5px dashed var(--border-strong);
  border-radius: var(--radius-md);
  padding: 2.25rem 1.5rem;
  text-align: center;
  cursor: pointer;
  color: var(--text-secondary);
  background: rgba(255,255,255,0.01);
  transition: border-color 0.3s, background 0.3s, color 0.3s;
}

.drop-zone:hover, .drop-zone.drag-over {
  border-color: var(--accent);
  background: rgba(212,165,116,0.05);
  color: var(--accent);
}

.drop-zone-inner { display: flex; flex-direction: column; align-items: center; }

.drop-zone svg {
  margin-bottom: 0.75rem;
  opacity: 0.9;
}

.drop-zone p { font-size: 0.95rem; margin-bottom: 0.25rem; }

.file-label {
  color: var(--accent);
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 3px;
  font-weight: 500;
}

.hint { font-size: 0.8rem; color: var(--text-muted); }

.file-info {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--success-bg);
  border: 1px solid var(--success-border);
  border-radius: var(--radius-sm);
  padding: 0.7rem 1rem;
  margin-top: 0.85rem;
  font-size: 0.9rem;
  color: var(--success-text);
  font-weight: 500;
}

.file-info #removeFile {
  background: none;
  border: none;
  font-size: 1.25rem;
  color: var(--text-muted);
  cursor: pointer;
  line-height: 1;
}

.file-info #removeFile:hover { color: var(--error-text); }

/* ============================================================
   Language row
   ============================================================ */

.lang-row {
  display: flex;
  align-items: flex-end;
  gap: 1rem;
}

.field { flex: 1; display: flex; flex-direction: column; gap: 0.4rem; min-width: 0; }

.field label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.field select {
  padding: 0.7rem 0.9rem;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-family: inherit;
  background-color: var(--bg-input);
  color: var(--text-primary);
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23a8a8b3' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2rem;
  outline: none;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.field select:hover { border-color: var(--border-strong); }

.field select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(212,165,116,0.15);
}

.swap-arrow {
  font-size: 1.5rem;
  color: var(--accent);
  padding-bottom: 0.65rem;
  flex-shrink: 0;
  opacity: 0.7;
}

/* ============================================================
   Format options
   ============================================================ */

.format-options {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  align-items: flex-start;
}

.format-option { cursor: pointer; }
.format-option input { position: absolute; opacity: 0; width: 0; height: 0; }

.format-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  border: 1.5px solid var(--border-default);
  border-radius: var(--radius-md);
  padding: 1rem 1.5rem;
  min-width: 118px;
  background: rgba(255,255,255,0.015);
  transition: border-color 0.3s, background 0.3s, box-shadow 0.3s, transform 0.3s;
  user-select: none;
}

.format-option input:checked + .format-card {
  border-color: var(--accent);
  background: var(--glass-highlight);
  box-shadow: var(--ring-accent);
  transform: translateY(-1px);
}

.format-card:hover {
  border-color: rgba(212,165,116,0.5);
  background: rgba(255,255,255,0.03);
}

.format-icon {
  font-weight: 700;
  font-size: 1rem;
  background: var(--accent-text-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: 0.02em;
}

.format-name {
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.format-option.disabled .format-card {
  opacity: 0.35;
  cursor: not-allowed;
}

/* ============================================================
   Backend selector
   ============================================================ */

.backend-options {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.backend-option { cursor: pointer; }
.backend-option input { position: absolute; opacity: 0; width: 0; height: 0; }

.backend-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  border: 1.5px solid var(--border-default);
  border-radius: var(--radius-md);
  padding: 0.95rem 1rem;
  background: rgba(255,255,255,0.015);
  transition: border-color 0.3s, background 0.3s, box-shadow 0.3s, transform 0.3s;
  user-select: none;
}

.backend-option input:checked + .backend-card {
  border-color: var(--accent);
  background: var(--glass-highlight);
  box-shadow: var(--ring-accent);
  transform: translateY(-1px);
}

.backend-card:hover {
  border-color: rgba(212,165,116,0.5);
  background: rgba(255,255,255,0.03);
}

.backend-logo {
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.02em;
}

.claude-logo { background: #d97706; color: #fff; }
.deepl-logo  { background: #0f2b46; color: #fff; font-size: 0.8rem; }

.backend-info {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  min-width: 0;
}

.backend-name {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-primary);
}

.backend-desc {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

.backend-option.disabled .backend-card {
  opacity: 0.35;
  cursor: not-allowed;
}

/* ============================================================
   TTS checkbox
   ============================================================ */

.tts-checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  cursor: pointer;
  font-size: 0.95rem;
  color: var(--text-primary);
  user-select: none;
}

.tts-checkbox-label input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  border: 1.5px solid var(--border-strong);
  border-radius: 5px;
  background: var(--bg-input);
  cursor: pointer;
  flex-shrink: 0;
  position: relative;
  transition: border-color 0.3s, background 0.3s;
}

.tts-checkbox-label input[type="checkbox"]::before {
  content: "";
  position: absolute;
  inset: 3px;
  background: var(--accent-gradient);
  border-radius: 2px;
  transform: scale(0);
  transition: transform 0.2s ease;
}

.tts-checkbox-label input[type="checkbox"]:checked {
  border-color: var(--accent);
  background: rgba(212,165,116,0.08);
}

.tts-checkbox-label input[type="checkbox"]:checked::before {
  transform: scale(1);
}

.step.disabled .tts-checkbox-label {
  opacity: 0.4;
  cursor: not-allowed;
}

.step.disabled .tts-checkbox-label input {
  cursor: not-allowed;
}

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

.submit-row {
  text-align: center;
  margin-top: 1.75rem;
}

/* ============================================================
   Spinner
   ============================================================ */

.spinner {
  width: 18px;
  height: 18px;
  border: 2.5px solid rgba(10,10,15,0.3);
  border-top-color: var(--bg-primary);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

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

/* ============================================================
   Success / Error boxes
   ============================================================ */

.error-box, .success-box {
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  margin-top: 1.25rem;
  display: flex;
  gap: 0.75rem;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.error-box { align-items: center; }

.success-box {
  flex-direction: column;
  align-items: flex-start;
}

.success-phase {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
}

.spinner-inline {
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(111,207,116,0.3);
  border-top-color: var(--success-text);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

.tts-progress {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
  margin-top: 0.5rem;
}

.tts-progress-track {
  flex: 1;
  height: 5px;
  background: var(--bg-tertiary);
  border-radius: 3px;
  overflow: hidden;
  border: 1px solid var(--border-subtle);
}

.tts-progress-fill {
  height: 100%;
  background: var(--accent-gradient);
  border-radius: 3px;
  width: 0%;
  transition: width 0.35s ease;
}

.tts-progress-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  white-space: nowrap;
  min-width: 52px;
  text-align: right;
}

.error-box {
  background: var(--error-bg);
  border: 1px solid var(--error-border);
  color: var(--error-text);
}

.success-box {
  background: var(--success-bg);
  border: 1px solid var(--success-border);
  color: var(--success-text);
}

.download-link {
  color: var(--success-text);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ============================================================
   Modal
   ============================================================ */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(5,5,10,0.75);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 1rem;
  animation: fadeIn 0.25s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.modal-box {
  background: linear-gradient(135deg, rgba(26,26,36,0.96), rgba(18,18,26,0.96));
  border: 1px solid rgba(212,165,116,0.25);
  border-radius: var(--radius-lg);
  padding: 2rem;
  width: 100%;
  max-width: 420px;
  position: relative;
  box-shadow: 0 20px 60px rgba(0,0,0,0.6), var(--glow-accent);
  animation: scaleIn 0.3s ease-out;
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.96); }
  to { opacity: 1; transform: scale(1); }
}

.modal-box-wide {
  max-width: 760px;
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-muted);
  cursor: pointer;
  line-height: 1;
  transition: color 0.2s;
}

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

.modal-box h2 {
  font-size: 1.35rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.modal-subtitle {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
}

.modal-tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
  border-bottom: 1px solid var(--border-default);
  padding-bottom: 0;
}

.tab-btn {
  background: none;
  border: none;
  padding: 0.55rem 1rem;
  font-size: 0.95rem;
  font-weight: 500;
  font-family: inherit;
  color: var(--text-secondary);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color 0.25s, border-color 0.25s;
}

.tab-btn:hover:not(.active) { color: var(--text-primary); }

.tab-btn.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.modal-form {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.modal-form label {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.modal-form input[type="email"],
.modal-form input[type="password"] {
  padding: 0.7rem 0.9rem;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-family: inherit;
  background: var(--bg-input);
  color: var(--text-primary);
  outline: none;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.modal-form input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(212,165,116,0.15);
}

.auth-error {
  background: var(--error-bg);
  border: 1px solid var(--error-border);
  color: var(--error-text);
  border-radius: var(--radius-sm);
  padding: 0.65rem 0.9rem;
  font-size: 0.85rem;
  margin-bottom: 0.25rem;
}

.divider {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-muted);
  font-size: 0.8rem;
}

.divider::before, .divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--border-default);
}

.btn-google {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  padding: 0.7rem 1rem;
  font-size: 0.9rem;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  color: var(--text-primary);
  transition: border-color 0.3s, background 0.3s;
}

.btn-google:hover {
  border-color: var(--border-strong);
  background: rgba(255,255,255,0.07);
}

/* ============================================================
   Pricing grid
   ============================================================ */

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 1rem;
  margin-top: 0.75rem;
}

.pricing-card {
  border: 1.5px solid var(--border-default);
  border-radius: var(--radius-lg);
  padding: 1.4rem 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  text-align: center;
  position: relative;
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s;
}

.pricing-card:hover {
  border-color: var(--accent);
  box-shadow: var(--glow-accent);
  transform: translateY(-2px);
}

.pricing-card.popular {
  border-color: var(--accent);
  background: var(--glass-highlight);
}

.popular-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent-gradient);
  color: var(--bg-primary);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.22rem 0.7rem;
  border-radius: var(--radius-pill);
  white-space: nowrap;
  letter-spacing: 0.02em;
}

.pkg-credits {
  font-size: 1.6rem;
  font-weight: 700;
  background: var(--accent-text-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.pkg-price {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.pkg-name {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.pkg-est {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.pkg-buy-btn {
  width: 100%;
  padding: 0.6rem;
  font-size: 0.9rem;
}

/* ============================================================
   Utility
   ============================================================ */

.hidden { display: none !important; }

/* ============================================================
   Mobile
   ============================================================ */

@media (max-width: 500px) {
  body { padding: 0 0.75rem 2rem; }

  header { margin-bottom: 1.5rem; padding: 0 1rem; }
  .header-logo { height: 64px; }

  .step { padding: 1.15rem; gap: 0.9rem; }

  .drop-zone { padding: 1.6rem 1rem; }

  .lang-row { flex-direction: column; }
  .swap-arrow { display: none; }

  .format-options {
    flex-direction: column;
    gap: 0.6rem;
  }
  .format-option { width: 100%; }
  .format-card {
    flex-direction: row;
    justify-content: flex-start;
    gap: 0.75rem;
    min-width: unset;
    width: 100%;
    padding: 0.85rem 1rem;
  }
  .format-icon { font-size: 0.9rem; min-width: 36px; }
  .format-name { font-size: 0.88rem; }

  .submit-row { margin-top: 1.25rem; }
  .btn-primary { width: 100%; justify-content: center; }
}

/* ============================================================
   Footer
   ============================================================ */
.site-footer {
  margin-top: 4rem;
  padding: 1.5rem 1rem;
  border-top: 1px solid var(--border-subtle);
  color: var(--text-muted);
  font-size: 0.85rem;
}
.footer-inner {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.footer-links {
  display: flex;
  gap: 1.25rem;
}
.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
}
.footer-links a:hover {
  color: var(--accent);
}

/* Legal pages (privacy.html, terms.html) */
.legal-page {
  max-width: 720px;
  margin: 0 auto;
  padding: 3rem 1.5rem 2rem;
  line-height: 1.6;
}
.legal-page h1 {
  background: var(--accent-text-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 0.5rem;
}
.legal-page h2 {
  margin-top: 2rem;
  color: var(--text-primary);
}
.legal-page p, .legal-page li {
  color: var(--text-secondary);
}
.legal-page a {
  color: var(--accent);
}
.legal-page .meta {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-bottom: 2rem;
}
.legal-page .back-link {
  display: inline-block;
  margin-top: 2rem;
  color: var(--accent);
  text-decoration: none;
}