/* =====================================================
   DDNN.RU — Design System
   ===================================================== */

:root[data-theme="dark"] {
  --bg: #0d0f18;
  --bg2: #131620;
  --bg3: #1a1e2e;
  --border: rgba(255,255,255,0.08);
  --text: #e8eaf2;
  --muted: #7a84a0;
  --accent: #7c6fd4;
  --accent-hover: #9585e8;
  --danger: #e55;
  --success: #4ade80;
  --code-bg: #0a0c17;
}

:root[data-theme="light"] {
  --bg: #f5f6fa;
  --bg2: #ffffff;
  --bg3: #eef0f8;
  --border: rgba(0,0,0,0.1);
  --text: #1a1c2e;
  --muted: #5a6080;
  --accent: #6355c7;
  --accent-hover: #7a69e0;
  --danger: #cc3333;
  --success: #22c55e;
  --code-bg: #e8eaf5;
}

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

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: background 0.2s, color 0.2s;
}

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

img, svg { display: block; }

/* === Header === */
header {
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  height: 56px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text);
  text-decoration: none;
  flex-shrink: 0;
}

.logo:hover { color: var(--accent); }

.logo svg { width: 28px; height: 28px; }

/* === Search === */
.search-wrap {
  flex: 1;
  max-width: 480px;
  position: relative;
}

.search-box {
  width: 100%;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 12px 8px 36px;
  color: var(--text);
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.2s;
}

.search-box:focus { border-color: var(--accent); }
.search-box::placeholder { color: var(--muted); }

.search-icon {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--muted);
  pointer-events: none;
}

.search-dropdown {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
  overflow: hidden;
  z-index: 200;
  display: none;
}

.search-dropdown.open { display: block; }

.search-item {
  display: flex;
  flex-direction: column;
  padding: 10px 14px;
  cursor: pointer;
  border-bottom: 1px solid var(--border);
  transition: background 0.15s;
  text-decoration: none;
  color: var(--text);
}

.search-item:last-child { border-bottom: none; }
.search-item:hover, .search-item.active { background: var(--bg3); }

.search-item-title { font-size: 0.9rem; font-weight: 500; }
.search-item-desc { font-size: 0.78rem; color: var(--muted); margin-top: 2px; }

/* === Theme Toggle === */
.theme-toggle {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 10px;
  cursor: pointer;
  color: var(--muted);
  display: flex;
  align-items: center;
  transition: color 0.2s, border-color 0.2s;
  flex-shrink: 0;
}

.theme-toggle:hover { color: var(--text); border-color: var(--accent); }

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background 0.15s, color 0.15s, border-color 0.15s, opacity 0.15s;
  text-decoration: none;
  white-space: nowrap;
}

.btn:disabled { opacity: 0.45; cursor: not-allowed; }

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

.btn-ghost {
  background: transparent;
  color: var(--muted);
  border-color: var(--border);
}
.btn-ghost:hover:not(:disabled) { color: var(--text); border-color: var(--accent); background: var(--bg3); }

.btn-danger {
  background: transparent;
  color: var(--danger);
  border-color: var(--danger);
}
.btn-danger:hover:not(:disabled) { background: var(--danger); color: #fff; }

.btn-sm { padding: 5px 10px; font-size: 0.8rem; }

/* === Tabs === */
.tab-group {
  display: flex;
  gap: 2px;
  background: var(--bg3);
  border-radius: 8px;
  padding: 3px;
}

.tab-btn {
  flex: 1;
  padding: 6px 12px;
  border: none;
  background: transparent;
  color: var(--muted);
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 500;
  transition: background 0.15s, color 0.15s;
}

.tab-btn.active {
  background: var(--accent);
  color: #fff;
}

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

/* === Textarea === */
.textarea {
  width: 100%;
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  color: var(--text);
  font-family: ui-monospace, 'Cascadia Code', 'Fira Code', monospace;
  font-size: 0.875rem;
  line-height: 1.6;
  resize: vertical;
  outline: none;
  transition: border-color 0.2s;
  min-height: 220px;
}

.textarea:focus { border-color: var(--accent); }
.textarea::placeholder { color: var(--muted); }

/* === Cards === */
.card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  transition: border-color 0.2s, transform 0.15s;
  display: flex;
  flex-direction: column;
  gap: 8px;
  text-decoration: none;
  color: var(--text);
}

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

.card-icon {
  width: 40px;
  height: 40px;
  background: var(--bg3);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin-bottom: 4px;
}

.card-title { font-size: 0.95rem; font-weight: 600; }
.card-desc { font-size: 0.82rem; color: var(--muted); line-height: 1.45; }

/* === Tool Layout === */
.tool-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  align-items: start;
}

.tool-input, .tool-output {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.tool-panel-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* === Toolbar === */
.toolbar {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.toolbar-sep {
  width: 1px;
  height: 20px;
  background: var(--border);
  margin: 0 2px;
}

/* === Pipe Dropdown === */
.pipe-wrap { position: relative; }

.pipe-dropdown {
  position: absolute;
  top: calc(100% + 4px);
  right: 0;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
  overflow: hidden;
  z-index: 150;
  display: none;
  min-width: 200px;
}

.pipe-dropdown.open { display: block; }

.pipe-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  cursor: pointer;
  font-size: 0.85rem;
  border-bottom: 1px solid var(--border);
  transition: background 0.15s;
  color: var(--text);
}

.pipe-item:last-child { border-bottom: none; }
.pipe-item:hover { background: var(--bg3); }

/* === Security Badge === */
.security-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 6px 14px;
  font-size: 0.82rem;
  color: var(--muted);
  margin-bottom: 4px;
}

.security-badge svg { color: var(--success); flex-shrink: 0; }

/* === Result Area === */
.result-area {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  font-family: ui-monospace, 'Cascadia Code', 'Fira Code', monospace;
  font-size: 0.875rem;
  line-height: 1.6;
  min-height: 220px;
  white-space: pre-wrap;
  word-break: break-word;
  overflow-y: auto;
  max-height: 600px;
  color: var(--text);
}

.result-placeholder {
  color: var(--muted);
  font-style: italic;
  font-family: system-ui, sans-serif;
  font-size: 0.875rem;
}

.result-error {
  color: var(--danger);
  font-family: system-ui, sans-serif;
}

/* === Badge === */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 600;
  background: var(--bg3);
  color: var(--muted);
  border: 1px solid var(--border);
}

/* === Notification === */
.notification {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 18px;
  font-size: 0.875rem;
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
  z-index: 999;
  transform: translateY(10px);
  opacity: 0;
  transition: transform 0.2s, opacity 0.2s;
  pointer-events: none;
  max-width: 320px;
}

.notification.show { transform: translateY(0); opacity: 1; }
.notification.success { border-color: var(--success); color: var(--success); }
.notification.error { border-color: var(--danger); color: var(--danger); }

/* === Main Content === */
main {
  flex: 1;
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 20px;
  width: 100%;
}

/* === Hero === */
.hero {
  text-align: center;
  padding: 48px 20px 40px;
}

.hero h1 {
  font-size: clamp(1.5rem, 4vw, 2.4rem);
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 12px;
  background: linear-gradient(135deg, var(--text), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 560px;
  margin: 0 auto;
}

/* === Tool Header === */
.tool-header {
  margin-bottom: 16px;
}

.tool-header h1 {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.tool-desc { color: var(--muted); font-size: 0.95rem; }

/* === Sections === */
.section { margin-bottom: 40px; }

.section-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
}

/* === Related Tools === */
.related-tools {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.related-tools h2 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 14px;
  color: var(--muted);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
}

/* === SEO Article === */
.seo-text {
  margin-top: 40px;
  padding: 28px 32px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 12px;
}

.seo-text h2 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 12px;
  margin-top: 20px;
  color: var(--text);
}

.seo-text h2:first-child { margin-top: 0; }

.seo-text p {
  color: var(--muted);
  margin-bottom: 12px;
  line-height: 1.7;
  font-size: 0.9rem;
}

.seo-text ol, .seo-text ul {
  color: var(--muted);
  padding-left: 20px;
  margin-bottom: 12px;
  font-size: 0.9rem;
}

.seo-text li { margin-bottom: 4px; line-height: 1.6; }

.seo-text h3 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 6px;
  margin-top: 16px;
  color: var(--text);
}

.faq { margin-top: 16px; }
.faq-item { margin-bottom: 16px; }
.faq-q { font-weight: 600; font-size: 0.9rem; color: var(--text); margin-bottom: 4px; }
.faq-a { color: var(--muted); font-size: 0.87rem; line-height: 1.6; }

/* === Checkbox / Input groups === */
.check-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.check-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  cursor: pointer;
  color: var(--text);
}

.check-label input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--accent);
  cursor: pointer;
  flex-shrink: 0;
}

.input-field {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 10px;
  color: var(--text);
  font-size: 0.875rem;
  outline: none;
  transition: border-color 0.2s;
}

.input-field:focus { border-color: var(--accent); }

select.input-field {
  cursor: pointer;
  padding-right: 24px;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%237a84a0'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 8px center;
}

/* === Stats / Counter table === */
.stats-table {
  width: 100%;
  font-size: 0.82rem;
  border-collapse: collapse;
}

.stats-table td, .stats-table th {
  padding: 6px 10px;
  border-bottom: 1px solid var(--border);
  text-align: left;
}

.stats-table th {
  color: var(--muted);
  font-weight: 600;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.stats-table td:last-child { text-align: right; color: var(--accent); font-weight: 600; }

/* === Big numbers === */
.big-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.big-stat {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px;
  text-align: center;
}

.big-stat-value {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--accent);
  font-family: ui-monospace, monospace;
}

.big-stat-label { font-size: 0.78rem; color: var(--muted); margin-top: 2px; }

/* === Counter badge === */
.char-counter {
  font-size: 0.78rem;
  color: var(--muted);
  text-align: right;
}

.char-counter.warning { color: #f59e0b; }
.char-counter.danger { color: var(--danger); font-weight: 600; }

/* === Telegram Preview === */
.tg-preview-wrap {
  background: #17212b;
  border-radius: 12px;
  padding: 16px;
  border: 1px solid rgba(255,255,255,0.06);
}

.tg-bubble {
  background: #2b5278;
  border-radius: 12px 12px 12px 4px;
  padding: 10px 14px;
  font-family: system-ui, sans-serif;
  font-size: 0.9rem;
  line-height: 1.5;
  color: #fff;
  max-width: 90%;
  white-space: pre-wrap;
  word-break: break-word;
}

/* === Split messages === */
.split-messages { display: flex; flex-direction: column; gap: 12px; }

.split-msg {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

.split-msg-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 12px;
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  font-size: 0.78rem;
  color: var(--muted);
}

.split-msg-content {
  padding: 10px 12px;
  font-family: ui-monospace, monospace;
  font-size: 0.82rem;
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 200px;
  overflow-y: auto;
  color: var(--text);
}

/* === Cards for encoding === */
.encoding-cards { display: flex; flex-direction: column; gap: 10px; }

.encoding-card {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px;
  cursor: pointer;
  transition: border-color 0.2s;
}

.encoding-card:hover, .encoding-card.selected { border-color: var(--accent); }

.encoding-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
}

.encoding-card-label { font-size: 0.82rem; font-weight: 600; color: var(--accent); }
.encoding-card-score { font-size: 0.75rem; color: var(--muted); }
.encoding-card-preview { font-size: 0.82rem; color: var(--text); font-family: ui-monospace, monospace; line-height: 1.4; }

/* === CSV Table === */
.csv-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 8px;
}

.csv-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
}

.csv-table th {
  background: var(--bg3);
  padding: 8px 12px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
  font-weight: 600;
  position: sticky;
  top: 0;
}

.csv-table td {
  padding: 6px 12px;
  border-bottom: 1px solid var(--border);
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.csv-table tr:hover td { background: var(--bg3); }

.csv-pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 0;
  font-size: 0.82rem;
  color: var(--muted);
}

/* === Data extractor tabs === */
.extractor-tabs { display: flex; gap: 4px; flex-wrap: wrap; }

.extractor-tab {
  padding: 6px 14px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  font-size: 0.82rem;
  cursor: pointer;
  transition: all 0.15s;
}

.extractor-tab.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.extractor-tab:hover:not(.active) { border-color: var(--accent); color: var(--text); }

.extractor-count { font-size: 0.75rem; margin-left: 4px; opacity: 0.8; }

/* === File upload === */
.file-drop {
  border: 2px dashed var(--border);
  border-radius: 8px;
  padding: 20px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
  font-size: 0.875rem;
  color: var(--muted);
}

.file-drop:hover, .file-drop.drag-over {
  border-color: var(--accent);
  background: var(--bg3);
}

.file-drop svg { margin: 0 auto 8px; color: var(--muted); }

/* === Footer === */
footer {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  padding: 20px;
  text-align: center;
  font-size: 0.8rem;
  color: var(--muted);
  margin-top: auto;
}

footer a { color: var(--muted); }
footer a:hover { color: var(--accent); }

/* === Price table === */
.price-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
}

.price-table th, .price-table td {
  padding: 7px 10px;
  border-bottom: 1px solid var(--border);
  text-align: left;
}

.price-table th {
  color: var(--muted);
  font-weight: 600;
  font-size: 0.78rem;
  background: var(--bg3);
}

.price-table input {
  background: transparent;
  border: none;
  color: var(--text);
  width: 80px;
  font-size: 0.82rem;
  outline: none;
  border-bottom: 1px solid var(--border);
}

.price-result {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 16px;
}

.price-card {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px;
  text-align: center;
}

.price-card-label { font-size: 0.78rem; color: var(--muted); }
.price-card-value { font-size: 1.3rem; font-weight: 700; color: var(--accent); margin-top: 4px; font-family: ui-monospace, monospace; }

/* === Responsive === */
@media (max-width: 768px) {
  .tool-layout { grid-template-columns: 1fr; }
  .header-inner { gap: 10px; }
  .search-wrap { max-width: none; flex: 1; }
  main { padding: 20px 12px; }
  .tools-grid { grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); }
  .big-stats { grid-template-columns: repeat(2, 1fr); }
  .seo-text { padding: 20px 16px; }
  .hero { padding: 32px 12px 28px; }
  .price-result { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
  .tools-grid { grid-template-columns: 1fr; }
  .big-stats { grid-template-columns: 1fr 1fr; }
  .related-grid { grid-template-columns: 1fr; }
  .price-result { grid-template-columns: 1fr; }
  .toolbar { gap: 4px; }
  .btn { padding: 7px 10px; font-size: 0.8rem; }
}

@media (max-width: 360px) {
  body { font-size: 15px; }
  .header-inner { padding: 0 12px; }
}

/* =====================================================
   DDNN — New Site Extensions
   ===================================================== */

/* === Logo dot === */
.logo-dot { color: var(--accent); }

/* === Nav === */
.nav-link { color: var(--muted); font-size: 0.9rem; padding: 4px 2px; }
.nav-link:hover, .nav-link.active { color: var(--text); }
.nav-link.active { border-bottom: 2px solid var(--accent); }

/* === Header actions === */
.header-actions { display: flex; align-items: center; gap: 8px; margin-left: auto; }

/* === Search input (new IDs) === */
.search-input {
  width: 100%;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 7px 12px;
  color: var(--text);
  font-size: 0.875rem;
  outline: none;
  transition: border-color 0.2s;
}
.search-input:focus { border-color: var(--accent); }
.search-input::placeholder { color: var(--muted); }
.search-dropdown { /* same as .search-dropdown above */ }

/* === Hero (main page) === */
.hero { text-align: center; padding: 64px 20px 48px; }
.hero-label { font-size: 0.78rem; font-weight: 600; color: var(--accent); text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 16px; }
.hero-title { font-size: clamp(1.8rem, 5vw, 3rem); font-weight: 800; line-height: 1.15; margin-bottom: 16px; }
.hero-sub { color: var(--muted); font-size: 1.05rem; max-width: 540px; margin: 0 auto 28px; }
.accent-text { color: var(--accent); }
.hero-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-bottom: 24px; }
.hero-trust { display: flex; gap: 20px; justify-content: center; flex-wrap: wrap; }
.trust-item { display: flex; align-items: center; gap: 6px; font-size: 0.82rem; color: var(--muted); }
.trust-item svg { color: var(--success); flex-shrink: 0; }

/* === Tools section (main page) === */
.tools-section { max-width: 1100px; margin: 0 auto; padding: 0 0 60px; }
.section-header { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 16px; }
.section-title { font-size: 1.3rem; font-weight: 700; }
.section-link { font-size: 0.875rem; color: var(--accent); }
.category-label { font-size: 0.75rem; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 12px; padding-bottom: 6px; border-bottom: 1px solid var(--border); }

/* === Tool cards === */
.tool-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px;
  text-decoration: none;
  color: var(--text);
  transition: border-color 0.2s, transform 0.15s;
}
.tool-card:hover { border-color: var(--accent); transform: translateY(-2px); color: var(--text); }
.tool-card-icon { width: 36px; height: 36px; background: var(--bg3); border-radius: 8px; display: flex; align-items: center; justify-content: center; color: var(--accent); }
.tool-card-body h3 { font-size: 0.95rem; font-weight: 600; margin-bottom: 4px; }
.tool-card-body p { font-size: 0.82rem; color: var(--muted); line-height: 1.45; }
.tool-card-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-top: auto; }
.tag { font-size: 0.72rem; padding: 2px 8px; background: var(--bg3); border: 1px solid var(--border); border-radius: 10px; color: var(--muted); }

/* === About strip === */
.about-strip { background: var(--bg2); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); padding: 40px 20px; margin-top: 20px; }
.about-strip-inner { max-width: 900px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.about-strip-text h2 { font-size: 1.2rem; font-weight: 700; margin-bottom: 8px; }
.about-strip-text p { color: var(--muted); font-size: 0.9rem; max-width: 560px; }

/* === Footer === */
.footer-inner { max-width: 1200px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.footer-copy { color: var(--muted); font-size: 0.82rem; }
.footer-nav { display: flex; gap: 20px; }
.footer-nav a { color: var(--muted); font-size: 0.82rem; }
.footer-nav a:hover { color: var(--accent); }

/* === Page hero === */
.page-hero { text-align: center; padding: 48px 20px 32px; }
.page-hero-label { font-size: 0.75rem; font-weight: 700; color: var(--accent); text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 12px; }
.page-hero-title { font-size: clamp(1.6rem, 4vw, 2.4rem); font-weight: 800; margin-bottom: 10px; }
.page-hero-sub { color: var(--muted); font-size: 0.95rem; }

/* === Tool page === */
.tool-page { max-width: 1100px; margin: 0 auto; }
.tool-header { margin-bottom: 24px; }
.tool-header h1 { font-size: 1.7rem; font-weight: 800; margin: 8px 0 6px; }
.breadcrumb { font-size: 0.82rem; color: var(--muted); display: inline-block; margin-bottom: 4px; }
.breadcrumb:hover { color: var(--accent); }

/* === Tool panel components === */
.tool-panel { background: var(--bg2); border: 1px solid var(--border); border-radius: 12px; padding: 20px; }
.tool-label { font-size: 0.8rem; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; display: block; margin-bottom: 8px; }
.tool-textarea {
  width: 100%;
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  color: var(--text);
  font-family: ui-monospace, 'Cascadia Code', 'Fira Code', monospace;
  font-size: 0.875rem;
  line-height: 1.6;
  resize: vertical;
  outline: none;
  transition: border-color 0.2s;
}
.tool-textarea:focus { border-color: var(--accent); }
.tool-textarea::placeholder { color: var(--muted); }
.tool-textarea-out { background: var(--bg3); cursor: default; }
.tool-options { margin-top: 12px; display: flex; flex-direction: column; gap: 8px; }
.opt-label { display: flex; align-items: center; gap: 8px; font-size: 0.875rem; cursor: pointer; }
.opt-label input[type="checkbox"] { accent-color: var(--accent); width: 15px; height: 15px; cursor: pointer; flex-shrink: 0; }
.opt-group-label { font-size: 0.78rem; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; }
.tool-btn-row { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; }
.tool-stats { font-size: 0.78rem; color: var(--muted); margin-top: 6px; }
.tool-select { background: var(--bg3); border: 1px solid var(--border); border-radius: 6px; padding: 6px 10px; color: var(--text); font-size: 0.875rem; outline: none; cursor: pointer; }
.tool-select:focus { border-color: var(--accent); }
.tool-info { background: var(--bg2); border: 1px solid var(--border); border-radius: 12px; padding: 24px 28px; margin-top: 24px; }
.tool-info h2 { font-size: 1.1rem; font-weight: 700; margin: 16px 0 8px; }
.tool-info h2:first-child { margin-top: 0; }
.tool-info p { color: var(--muted); font-size: 0.9rem; line-height: 1.7; margin-bottom: 10px; }
.tool-info ul, .tool-info ol { color: var(--muted); font-size: 0.9rem; padding-left: 20px; line-height: 1.7; }
.tool-info li { margin-bottom: 4px; }
.tool-info code { background: var(--code-bg); padding: 2px 6px; border-radius: 4px; font-family: ui-monospace, monospace; font-size: 0.85em; color: var(--accent); }

/* === Secondary button === */
.btn-secondary {
  background: var(--bg3);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}
.btn-secondary:hover { border-color: var(--accent); background: var(--bg2); }

/* === Catalog === */
.tools-catalog { max-width: 1100px; margin: 0 auto; padding-bottom: 60px; }
.catalog-filter { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 32px; }
.filter-btn { padding: 6px 16px; border-radius: 20px; border: 1px solid var(--border); background: transparent; color: var(--muted); font-size: 0.85rem; cursor: pointer; transition: all 0.15s; }
.filter-btn.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.filter-btn:hover:not(.active) { border-color: var(--accent); color: var(--text); }
.catalog-section { margin-bottom: 40px; }

/* === About page === */
.content-block { max-width: 760px; margin: 0 auto; padding: 0 20px 60px; }
.content-block h2 { font-size: 1.2rem; font-weight: 700; margin: 24px 0 10px; }
.content-block h2:first-child { margin-top: 0; }
.content-block p { color: var(--muted); font-size: 0.9rem; line-height: 1.75; margin-bottom: 10px; }
.principles-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 16px; margin: 16px 0; }
.principle-card { background: var(--bg2); border: 1px solid var(--border); border-radius: 12px; padding: 20px; }
.principle-icon { width: 40px; height: 40px; background: var(--bg3); border-radius: 10px; display: flex; align-items: center; justify-content: center; color: var(--accent); margin-bottom: 12px; }
.principle-card h3 { font-size: 0.95rem; font-weight: 600; margin-bottom: 6px; }
.principle-card p { font-size: 0.85rem; color: var(--muted); line-height: 1.5; margin: 0; }
.about-tools-list { display: flex; flex-direction: column; gap: 6px; margin-top: 12px; }
.about-tool-link { font-size: 0.9rem; color: var(--accent); padding: 4px 0; }
.about-tool-link:hover { color: var(--accent-hover); }

/* === Error page === */
.error-page { text-align: center; padding: 80px 20px; }
.error-code { font-size: 5rem; font-weight: 900; color: var(--accent); line-height: 1; margin-bottom: 16px; font-family: ui-monospace, monospace; }
.error-title { font-size: 1.5rem; font-weight: 700; margin-bottom: 10px; }
.error-sub { color: var(--muted); margin-bottom: 28px; }
.error-actions { display: flex; gap: 12px; justify-content: center; }

/* === CSV Inspector === */
.csv-dropzone { border: 2px dashed var(--border); border-radius: 10px; padding: 32px 20px; text-align: center; cursor: pointer; transition: border-color 0.2s, background 0.2s; color: var(--muted); }
.csv-dropzone:hover, .csv-dropzone.drag-over { border-color: var(--accent); background: var(--bg3); }
.csv-dropzone svg { margin: 0 auto 10px; color: var(--muted); }
.csv-dropzone p { font-size: 0.9rem; }
.csv-dropzone-hint { font-size: 0.78rem; color: var(--muted); }
.csv-upload-panel { margin-bottom: 20px; }
.csv-controls { margin-top: 12px; display: flex; flex-direction: column; gap: 10px; }
.csv-ctrl-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.csv-stats-bar { display: flex; gap: 16px; flex-wrap: wrap; background: var(--bg3); border-radius: 8px; padding: 10px 14px; margin-bottom: 12px; }
.csv-stat { font-size: 0.82rem; color: var(--muted); }
.csv-stat strong { color: var(--text); }
.csv-stat-warn { color: #f59e0b; }
.csv-stat-warn strong { color: #f59e0b; }
.csv-errors { background: rgba(220,50,50,0.08); border: 1px solid var(--danger); border-radius: 8px; padding: 10px 14px; margin-bottom: 12px; font-size: 0.82rem; color: var(--danger); }
.csv-error-line { display: block; margin-bottom: 3px; }
.csv-col-stats { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 16px; }
.csv-col-card { background: var(--bg3); border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px; min-width: 140px; }
.csv-col-name { font-size: 0.82rem; font-weight: 600; margin-bottom: 4px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 150px; }
.csv-col-meta { display: flex; gap: 6px; flex-wrap: wrap; font-size: 0.75rem; color: var(--muted); }
.badge-warn { background: rgba(245,158,11,0.15); color: #f59e0b; border: 1px solid rgba(245,158,11,0.3); border-radius: 10px; padding: 1px 7px; font-size: 0.72rem; }
.tool-actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; }

/* === Data extractor === */
.de-type-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; margin-top: 6px; }
.de-section { margin-bottom: 16px; }
.de-section-header { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.de-section-title { font-size: 0.9rem; font-weight: 600; }
.de-count { background: var(--accent); color: #fff; border-radius: 10px; font-size: 0.72rem; padding: 1px 8px; }
.btn-xs { padding: 3px 10px; font-size: 0.75rem; background: var(--bg3); border: 1px solid var(--border); border-radius: 6px; cursor: pointer; color: var(--muted); margin-left: auto; }
.btn-xs:hover { border-color: var(--accent); color: var(--text); }
.de-items { display: flex; flex-wrap: wrap; gap: 6px; }
.de-item { background: var(--bg3); border: 1px solid var(--border); border-radius: 6px; padding: 4px 10px; font-size: 0.82rem; cursor: pointer; transition: border-color 0.15s; font-family: ui-monospace, monospace; }
.de-item:hover { border-color: var(--accent); }
.de-item.copied { border-color: var(--success); color: var(--success); }
.de-summary { font-size: 0.9rem; color: var(--muted); margin-bottom: 16px; }
.de-summary strong { color: var(--text); }
.de-placeholder { text-align: center; padding: 40px 20px; color: var(--muted); }
.de-placeholder p { margin-top: 10px; font-size: 0.9rem; }
.de-error, .de-empty { background: var(--bg3); border: 1px solid var(--border); border-radius: 8px; padding: 16px; font-size: 0.9rem; color: var(--muted); text-align: center; }

/* === Text cleaner === */
.tc-rule-label { display: flex; align-items: center; gap: 8px; font-size: 0.875rem; cursor: pointer; margin-bottom: 6px; }
.tc-rule-label input { accent-color: var(--accent); cursor: pointer; }
.tc-results-box { background: var(--bg2); border: 1px solid var(--border); border-radius: 12px; padding: 20px; }
.tc-main-count { text-align: center; margin-bottom: 16px; }
.tc-number { font-size: 3rem; font-weight: 800; color: var(--accent); font-family: ui-monospace, monospace; line-height: 1; }
.tc-label { font-size: 0.85rem; color: var(--muted); margin-top: 4px; }
.tc-breakdown, .tc-cost-table { font-size: 0.82rem; color: var(--muted); }
.tc-note { font-size: 0.75rem; color: var(--muted); margin-top: 12px; opacity: 0.7; }

/* === Encoding / Fix-encoding extra === */
.enc-source-group { }
.enc-radio-group { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 8px; }
.enc-radio { display: flex; align-items: center; gap: 6px; font-size: 0.875rem; cursor: pointer; }
.enc-radio input { accent-color: var(--accent); cursor: pointer; }
.fe-upload-row { display: flex; align-items: center; gap: 10px; margin-top: 10px; }
.fe-filename { font-size: 0.82rem; color: var(--muted); }
.fe-detected-enc { background: var(--bg3); border: 1px solid var(--border); border-radius: 6px; padding: 6px 12px; font-size: 0.82rem; color: var(--accent); margin-bottom: 8px; }
.fe-variants-list { display: flex; flex-direction: column; gap: 6px; margin-top: 10px; }
.changes-list { font-size: 0.82rem; color: var(--muted); margin-top: 8px; }
.aic-options { }

/* =====================================================
   Hero v2 — Redesign
   ===================================================== */

/* Brand line */
.hero-brand {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 20px;
}

/* Hero title override */
.hero-title {
  font-size: clamp(1.9rem, 5vw, 3.1rem);
  font-weight: 900;
  line-height: 1.12;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

/* Trust badges row */
.trust-badges {
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
  margin: 20px 0 28px;
}

.trust-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 5px 12px;
  font-size: 0.78rem;
  color: var(--muted);
  white-space: nowrap;
}

.trust-badge svg { flex-shrink: 0; color: var(--success); }

/* =====================================================
   Featured tools section
   ===================================================== */

.featured-section {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 0 48px;
}

.featured-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 16px;
}

.featured-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.featured-card {
  display: flex;
  flex-direction: column;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 22px;
  text-decoration: none;
  color: var(--text);
  transition: border-color 0.2s, transform 0.15s, box-shadow 0.2s;
  gap: 14px;
}

.featured-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(124,111,212,0.12);
  color: var(--text);
}

.featured-card-icon {
  width: 44px;
  height: 44px;
  background: var(--bg3);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  flex-shrink: 0;
}

.featured-card-body {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}

.featured-card-tag {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

.featured-card-title {
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.3;
}

.featured-card-desc {
  font-size: 0.83rem;
  color: var(--muted);
  line-height: 1.5;
  flex: 1;
}

/* Mini scenario */
.featured-card-scenario {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 10px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
  font-size: 0.75rem;
  flex-wrap: wrap;
}

.featured-card-scenario svg { color: var(--accent); flex-shrink: 0; }

.scenario-in {
  color: var(--muted);
  font-family: ui-monospace, monospace;
}

.scenario-out {
  color: var(--success);
  font-weight: 600;
}

/* Card scenario (small cards) */
.card-scenario {
  font-size: 0.73rem;
  color: var(--accent);
  margin-top: 6px;
  padding-top: 6px;
  border-top: 1px solid var(--border);
}

/* All tools section */
.all-tools-section {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 0 60px;
}

.all-tools-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 20px;
}

.all-tools-title {
  font-size: 1.3rem;
  font-weight: 700;
}

/* Trust strip */
.trust-strip {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  padding: 32px 20px;
  margin-top: 8px;
}

.trust-strip-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.trust-strip-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.trust-strip-icon {
  width: 40px;
  height: 40px;
  background: var(--bg3);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  flex-shrink: 0;
}

.trust-strip-title {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 3px;
}

.trust-strip-sub {
  font-size: 0.8rem;
  color: var(--muted);
  line-height: 1.45;
}

/* === Responsive additions === */
@media (max-width: 900px) {
  .featured-grid { grid-template-columns: 1fr; gap: 12px; }
  .trust-strip-inner { grid-template-columns: 1fr; gap: 16px; }
}

@media (max-width: 768px) {
  .hero { padding: 40px 16px 32px; }
  .about-strip-inner { flex-direction: column; gap: 20px; }
  .footer-inner { flex-direction: column; gap: 12px; text-align: center; }
  .de-type-grid { grid-template-columns: repeat(2, 1fr); }
  .principles-grid { grid-template-columns: 1fr; }
  .trust-badges { gap: 6px; }
  .trust-badge { font-size: 0.73rem; padding: 4px 10px; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 1.7rem; }
  .hero-actions { flex-direction: column; align-items: center; }
  .catalog-filter { gap: 6px; }
  .csv-ctrl-row { flex-direction: column; align-items: flex-start; }
  .featured-card-scenario { flex-direction: column; align-items: flex-start; }
}

/* === Privacy Badge === */
.privacy-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 5px 10px;
  font-size: 0.78rem;
  color: var(--muted);
  margin-top: 8px;
}