/* ═══════════════════════════════════════════════════════════════
CONVIUM — style.css
Dark minimalist, serif-forward, ultra-clean
by Osmium
═══════════════════════════════════════════════════════════════ */
/* ── TOKENS — DARK (default) ────────────────────────────────── */
:root {
  --bg: #0c0c0f;
  --bg-2: #111116;
  --bg-3: #18181f;
  --bg-4: #1e1e28;
  --border: rgba(255,255,255,0.08);
  --border-hover: rgba(255,255,255,0.18);
  --text: #e8e8f0;
  --text-2: #9898b0;
  --text-3: #5a5a72;
  --accent: #7c6af7;
  --accent-glow: rgba(124,106,247,0.25);
  --accent-2: #3ecfcf;
  --accent-3: #f76af0;
  --success: #3ecf8e;
  --warning: #f7b96a;
  --error: #f76a7c;
  --radius: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
  --font-mono: 'DM Mono', 'Fira Code', monospace;
  --shadow: 0 4px 24px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 48px rgba(0,0,0,0.6);
  --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --max-width: 900px;
  --header-h: 64px;
}

/* ── TOKENS — LIGHT ─────────────────────────────────────────── */
[data-theme="light"] {
  --bg: #f5f5f7;
  --bg-2: #ffffff;
  --bg-3: #ebebef;
  --bg-4: #e0e0e8;
  --border: rgba(0,0,0,0.09);
  --border-hover: rgba(0,0,0,0.2);
  --text: #111118;
  --text-2: #55556a;
  --text-3: #9898b0;
  --accent: #6356e8;
  --accent-glow: rgba(99,86,232,0.12);
  --accent-2: #1ab8b8;
  --accent-3: #e056da;
  --success: #1fa86a;
  --warning: #c87d10;
  --error: #d93a50;
  --shadow: 0 4px 24px rgba(0,0,0,0.10);
  --shadow-lg: 0 8px 48px rgba(0,0,0,0.15);
}

/* ── SYSTEM PREFERENCE — only when no explicit theme set ────── */
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]):not([data-theme="light"]) {
    --bg: #f5f5f7;
    --bg-2: #ffffff;
    --bg-3: #ebebef;
    --bg-4: #e0e0e8;
    --border: rgba(0,0,0,0.09);
    --border-hover: rgba(0,0,0,0.2);
    --text: #111118;
    --text-2: #55556a;
    --text-3: #9898b0;
    --accent: #6356e8;
    --accent-glow: rgba(99,86,232,0.12);
    --accent-2: #1ab8b8;
    --accent-3: #e056da;
    --success: #1fa86a;
    --warning: #c87d10;
    --error: #d93a50;
    --shadow: 0 4px 24px rgba(0,0,0,0.10);
    --shadow-lg: 0 8px 48px rgba(0,0,0,0.15);
  }
}

/* ── RESET ──────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.65;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
button { cursor: pointer; font-family: inherit; }
input, select, textarea { font-family: inherit; }
ul { list-style: none; }
img { max-width: 100%; }
.hidden { display: none !important; }

/* ── SCROLLBAR ──────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-2); }
::-webkit-scrollbar-thumb { background: var(--bg-4); border-radius: 99px; }

/* ── HEADER ─────────────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(12,12,15,0.85);
  backdrop-filter: blur(16px) saturate(1.4);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 0 20px;
}
.brand { flex-shrink: 0; }
.logo-link { display: flex; flex-direction: column; line-height: 1; }
.logo-word {
  font-family: var(--font-display);
  font-size: 22px;
  color: var(--text);
  letter-spacing: -0.5px;
}
.logo-tag {
  font-size: 10px;
  color: var(--text-3);
  letter-spacing: 0.08em;
  font-family: var(--font-mono);
  margin-top: 1px;
}
.logo-link:hover { text-decoration: none; }
.logo-link:hover .logo-word { color: var(--accent); }
.header-center { flex: 1; display: flex; justify-content: center; }
.type-nav { display: flex; gap: 4px; }
.type-link {
  padding: 5px 14px;
  border-radius: 99px;
  color: var(--text-2);
  font-size: 13px;
  font-weight: 500;
  transition: all var(--transition);
  text-decoration: none;
}
.type-link:hover { color: var(--text); background: var(--bg-3); text-decoration: none; }
.type-link.active { color: var(--accent); background: var(--accent-glow); }
.header-right { flex-shrink: 0; display: flex; align-items: center; gap: 10px; }

/* ── THEME SWITCHER ─────────────────────────────────────────── */
.theme-switcher {
  display: flex;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 99px;
  padding: 3px;
  gap: 2px;
}
.theme-btn {
  background: none;
  border: none;
  border-radius: 99px;
  padding: 4px 9px;
  font-size: 13px;
  color: var(--text-3);
  cursor: pointer;
  transition: all var(--transition);
  line-height: 1;
}
.theme-btn:hover { color: var(--text); }
.theme-btn.active {
  background: var(--bg-2);
  color: var(--accent);
  box-shadow: 0 1px 4px rgba(0,0,0,0.2);
}
.privacy-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border: 1px solid rgba(62,207,207,0.25);
  border-radius: 99px;
  color: var(--accent-2);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.03em;
  position: relative;
  cursor: help;
}
.privacy-badge::after {
  content: attr(data-tooltip);
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  width: 220px;
  background: var(--bg-4);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 12px;
  font-size: 11px;
  color: var(--text-2);
  line-height: 1.5;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
  z-index: 200;
  font-weight: 400;
}
.privacy-badge:hover::after { opacity: 1; }

/* ── HERO ───────────────────────────────────────────────────── */
.hero {
  padding: 72px 20px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -80px; left: 50%;
  transform: translateX(-50%);
  width: 600px; height: 300px;
  background: radial-gradient(ellipse at center, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}
.hero-inner { position: relative; max-width: 600px; margin: 0 auto; }
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(36px, 6vw, 58px);
  line-height: 1.15;
  color: var(--text);
  margin-bottom: 16px;
}
.hero-title em {
  font-style: italic;
  color: var(--accent);
}
.hero-sub {
  color: var(--text-2);
  font-size: 15px;
  max-width: 480px;
  margin: 0 auto;
}

/* ── AD SLOTS ───────────────────────────────────────────────── */
.ad-slot {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 8px 20px;
}
.ad-placeholder {
  min-height: 90px;
  background: var(--bg-2);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
}
.ad-label {
  font-size: 11px;
  color: var(--text-3);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* ── ADBLOCK NOTICE ─────────────────────────────────────────── */
.adblock-notice {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 9999;
  width: min(560px, calc(100vw - 32px));
  background: var(--bg-3);
  border: 1px solid var(--border-hover);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  animation: slideUp 0.4s ease;
}
@keyframes slideUp {
  from { opacity: 0; transform: translateX(-50%) translateY(20px); }
  to   { opacity: 1; transform: translateX(-50%) translateY(0); }
}
.adblock-inner { display: flex; align-items: center; gap: 16px; padding: 20px; }
.adblock-icon { font-size: 28px; flex-shrink: 0; }
.adblock-text strong { display: block; margin-bottom: 4px; color: var(--text); }
.adblock-text p { font-size: 13px; color: var(--text-2); }
.adblock-dismiss {
  flex-shrink: 0;
  background: var(--bg-4);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 16px;
  border-radius: var(--radius);
  font-size: 13px;
  transition: all var(--transition);
}
.adblock-dismiss:hover { border-color: var(--accent); color: var(--accent); }

/* ── WASM LOADER ────────────────────────────────────────────── */
.wasm-loader {
  max-width: var(--max-width);
  margin: 32px auto;
  padding: 32px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.skeleton-bar {
  height: 12px;
  background: linear-gradient(90deg, var(--bg-2) 25%, var(--bg-3) 50%, var(--bg-2) 75%);
  background-size: 200% 100%;
  border-radius: 99px;
  animation: shimmer 1.5s infinite;
}
@keyframes shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}
.loader-text { color: var(--text-3); font-size: 13px; font-family: var(--font-mono); }
.dots::after {
  content: '...';
  animation: dots 1.5s infinite;
}
@keyframes dots {
  0%   { content: '.'; }
  33%  { content: '..'; }
  66%  { content: '...'; }
}

/* ── MAIN APP ───────────────────────────────────────────────── */
.app {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px 80px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

/* ── DROP ZONE ──────────────────────────────────────────────── */
.drop-section { }
.drop-zone {
  border: 2px dashed var(--border);
  border-radius: var(--radius-xl);
  padding: 48px 24px;
  text-align: center;
  position: relative;
  transition: all var(--transition);
  cursor: pointer;
  background: var(--bg-2);
  overflow: hidden;
}
.drop-zone:hover, .drop-zone:focus {
  border-color: var(--accent);
  background: rgba(124,106,247,0.04);
  outline: none;
}
.drop-zone.dragging {
  border-color: var(--accent);
  background: rgba(124,106,247,0.08);
  transform: scale(1.01);
}
.drop-overlay {
  position: absolute;
  inset: 0;
  background: rgba(124,106,247,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-family: var(--font-display);
  color: var(--accent);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
  border-radius: inherit;
}
.drop-zone.dragging .drop-overlay { opacity: 1; }
.drop-icon { color: var(--accent); margin-bottom: 16px; }
.drop-main { font-size: 17px; font-weight: 600; margin-bottom: 6px; }
.drop-sub { color: var(--text-2); font-size: 14px; margin-bottom: 8px; }
.drop-hint { font-size: 12px; color: var(--text-3); font-family: var(--font-mono); }
.link-btn {
  background: none;
  border: none;
  color: var(--accent);
  font-size: inherit;
  font-weight: 600;
  padding: 0;
  cursor: pointer;
  text-decoration: underline;
}

/* ── CONTROLS BAR ───────────────────────────────────────────── */
.controls-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 16px;
  padding: 20px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}
.controls-left { display: flex; flex-wrap: wrap; gap: 16px; flex: 1; }
.controls-right { display: flex; gap: 10px; align-items: center; }
.control-group { display: flex; flex-direction: column; gap: 4px; }
.control-label { font-size: 11px; color: var(--text-3); letter-spacing: 0.08em; font-weight: 600; text-transform: uppercase; }
.control-select, .control-input {
  background: var(--bg-3);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: var(--radius);
  padding: 7px 10px;
  font-size: 13px;
  min-width: 120px;
  transition: border var(--transition);
  appearance: none;
}
.control-select {
  padding-right: 28px;
  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='%235a5a72' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 8px center;
}
.control-select:focus, .control-input:focus {
  outline: none;
  border-color: var(--accent);
}
.icon-btn {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 7px 10px;
  font-size: 14px;
  align-self: flex-end;
  transition: border var(--transition);
}
.icon-btn:hover { border-color: var(--accent); }

/* ── BUTTONS ────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 600;
  border: 1px solid transparent;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn--primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.btn--primary:hover:not(:disabled) { background: #9080ff; border-color: #9080ff; }
.btn--primary:disabled { opacity: 0.4; cursor: not-allowed; }
.btn--ghost {
  background: transparent;
  color: var(--text-2);
  border-color: var(--border);
}
.btn--ghost:hover { border-color: var(--border-hover); color: var(--text); }
.btn--sm { padding: 5px 12px; font-size: 12px; }
.btn--fab { width: 100%; border-radius: 12px; padding: 14px 24px; font-size: 15px; }
.btn-count {
  background: rgba(255,255,255,0.2);
  border-radius: 99px;
  padding: 1px 7px;
  font-size: 11px;
  font-family: var(--font-mono);
}

/* ── ADVANCED SETTINGS ──────────────────────────────────────── */
.advanced-panel {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.advanced-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 14px 20px;
  background: none;
  border: none;
  color: var(--text-2);
  font-size: 13px;
  font-weight: 600;
  text-align: left;
  transition: color var(--transition);
}
.advanced-toggle:hover { color: var(--text); }
.advanced-toggle .chevron { margin-left: auto; transition: transform var(--transition); }
.advanced-toggle.open .chevron { transform: rotate(180deg); }
.advanced-body { display: none; padding: 0 20px 20px; }
.advanced-body.open { display: block; }
.settings-group { margin-top: 20px; }
.settings-group-title { font-size: 11px; color: var(--text-3); text-transform: uppercase; letter-spacing: 0.1em; font-weight: 700; margin-bottom: 12px; }
.settings-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 12px; }
.setting-item { display: flex; flex-direction: column; gap: 4px; }
.setting-item label { font-size: 11px; color: var(--text-2); font-weight: 500; }
.setting-item input[type=text],
.setting-item input[type=number],
.setting-item input[type=password],
.setting-item select {
  background: var(--bg-3);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: var(--radius);
  padding: 6px 10px;
  font-size: 12px;
  transition: border var(--transition);
  width: 100%;
}
.setting-item input:focus, .setting-item select:focus { outline: none; border-color: var(--accent); }
.setting-item input[type=range] { padding: 0; }
.checkbox-item { flex-direction: column; gap: 6px; }
.checkbox-item label { display: flex; align-items: center; gap: 6px; cursor: pointer; }
.checkbox-item input[type=checkbox] { width: 14px; height: 14px; accent-color: var(--accent); }

/* ── FILE QUEUE ─────────────────────────────────────────────── */
.queue-section {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
}
.queue-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.queue-title { font-family: var(--font-display); font-size: 18px; }
.queue-stats { font-size: 12px; color: var(--text-3); font-family: var(--font-mono); }
.queue-empty { text-align: center; padding: 32px; color: var(--text-3); font-size: 14px; }

/* Progress */
.batch-progress { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.progress-bar-wrap {
  flex: 1;
  height: 6px;
  background: var(--bg-4);
  border-radius: 99px;
  overflow: hidden;
}
.progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  border-radius: 99px;
  transition: width 0.3s ease;
}
.progress-label { font-size: 12px; color: var(--text-2); font-family: var(--font-mono); min-width: 36px; text-align: right; }

/* File list items */
.file-list { display: flex; flex-direction: column; gap: 8px; }
.file-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border var(--transition);
  animation: fadeIn 0.25s ease;
}
@keyframes fadeIn { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: translateY(0); } }
.file-item:hover { border-color: var(--border-hover); }
.file-thumb {
  width: 40px;
  height: 40px;
  background: var(--bg-4);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
  overflow: hidden;
}
.file-thumb img { width: 100%; height: 100%; object-fit: cover; }
.file-info { flex: 1; min-width: 0; }
.file-name { font-size: 13px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.file-meta { font-size: 11px; color: var(--text-3); font-family: var(--font-mono); }
.file-status { flex-shrink: 0; }
.status-badge {
  padding: 3px 10px;
  border-radius: 99px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.status-badge.pending  { background: rgba(90,90,114,0.3);  color: var(--text-3); }
.status-badge.converting { background: rgba(124,106,247,0.2); color: var(--accent); }
.status-badge.done    { background: rgba(62,207,142,0.15); color: var(--success); }
.status-badge.failed  { background: rgba(247,106,124,0.15); color: var(--error); }
.file-actions { display: flex; gap: 6px; flex-shrink: 0; }
.file-action-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-2);
  border-radius: var(--radius);
  padding: 4px 8px;
  font-size: 12px;
  transition: all var(--transition);
}
.file-action-btn:hover { border-color: var(--accent); color: var(--accent); }
.file-action-btn.danger:hover { border-color: var(--error); color: var(--error); }
.file-progress { width: 100%; margin-top: 6px; }
.file-progress-bar {
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  border-radius: 99px;
  transition: width 0.2s ease;
}

/* ── HISTORY ────────────────────────────────────────────────── */
.history-section {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
}
.history-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.history-title { font-family: var(--font-display); font-size: 18px; }
.history-empty { text-align: center; padding: 24px; color: var(--text-3); font-size: 14px; }
.history-list { display: flex; flex-direction: column; gap: 6px; }
.history-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  background: var(--bg-3);
  border-radius: var(--radius);
  font-size: 13px;
}
.history-icon { font-size: 16px; }
.history-name { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.history-size { color: var(--text-3); font-family: var(--font-mono); font-size: 11px; white-space: nowrap; }
.history-dl {
  background: var(--accent-glow);
  border: 1px solid rgba(124,106,247,0.4);
  color: var(--accent);
  border-radius: var(--radius);
  padding: 3px 10px;
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition);
}
.history-dl:hover { background: var(--accent); color: #fff; }

/* ── MOBILE FAB ─────────────────────────────────────────────── */
.mobile-fab {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 12px 16px;
  background: rgba(12,12,15,0.95);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--border);
  z-index: 50;
}

/* ── FOOTER ─────────────────────────────────────────────────── */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 32px 20px;
}
.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-badge { font-size: 13px; color: var(--text-2); }
.footer-badge strong { color: var(--text); }
.footer-links { display: flex; justify-content: center; gap: 20px; }
.footer-links a { font-size: 13px; color: var(--text-3); }
.footer-links a:hover { color: var(--accent); }
.footer-legal { font-size: 11px; color: var(--text-3); }

/* ── SUB-PAGE STYLES ────────────────────────────────────────── */
.subpage-hero {
  padding: 56px 20px 32px;
  text-align: center;
}
.subpage-hero h1 { font-family: var(--font-display); font-size: clamp(28px, 5vw, 42px); margin-bottom: 12px; }
.subpage-hero p { color: var(--text-2); font-size: 15px; max-width: 480px; margin: 0 auto; }
.subpage-hero h1 em { color: var(--accent); font-style: italic; }
.converter-grid {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px 40px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
}
.converter-card {
  display: block;
  padding: 18px 20px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  transition: all var(--transition);
}
.converter-card:hover { border-color: var(--accent); transform: translateY(-2px); text-decoration: none; }
.converter-card-icon { font-size: 22px; margin-bottom: 8px; }
.converter-card-title { font-size: 14px; font-weight: 700; color: var(--text); margin-bottom: 4px; }
.converter-card-desc { font-size: 12px; color: var(--text-3); }

/* ── SINGLE CONVERTER PAGE ──────────────────────────────────── */
.single-converter {
  max-width: 680px;
  margin: 0 auto;
  padding: 0 20px 60px;
}
.breadcrumb { font-size: 12px; color: var(--text-3); margin-bottom: 24px; }
.breadcrumb a { color: var(--text-3); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb span { margin: 0 6px; }
.faq-section { margin-top: 40px; }
.faq-title { font-family: var(--font-display); font-size: 22px; margin-bottom: 20px; }
.faq-item { border-bottom: 1px solid var(--border); padding: 16px 0; }
.faq-question { font-weight: 600; font-size: 14px; margin-bottom: 8px; }
.faq-answer { font-size: 13px; color: var(--text-2); line-height: 1.7; }

/* ── RESPONSIVE ─────────────────────────────────────────────── */
@media (max-width: 640px) {
  :root { --header-h: 56px; }
  .type-nav { display: none; }
  .hero { padding: 48px 16px 32px; }
  .app { padding: 0 12px 120px; }
  .controls-bar { flex-direction: column; }
  .controls-right { width: 100%; }
  .controls-right .btn { flex: 1; justify-content: center; }
  /* ✅ FIXED: Changed from .btn--primary to #convert-all-btn */
  #convert-all-btn { display: none; } 
  .mobile-fab { display: block !important; }
  .file-actions { display: none; }
  .settings-grid { grid-template-columns: 1fr 1fr; }
  .adblock-notice { bottom: 80px; }
}

@media (max-width: 400px) {
  .settings-grid { grid-template-columns: 1fr; }
  .file-item { flex-wrap: wrap; }
}

/* ── ANIMATIONS ─────────────────────────────────────────────── */
@keyframes spin {
  to { transform: rotate(360deg); }
}
.spinner {
  width: 14px; height: 14px;
  border: 2px solid rgba(124,106,247,0.3);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  display: inline-block;
}