:root {
  --bg-primary: #ffffff;
  --bg-secondary: #f9fafb;
  --bg-card: #ffffff;
  --text-primary: #111827;
  --text-secondary: #4b5563;
  --text-hint: #6b7280;
  --border-color: rgba(0,0,0,.08);
  --border-input: rgba(0,0,0,.12);
  --button-bg: #f3f4f6;
  --button-hover: #e5e7eb;
  --link-color: #2563eb;
  --badge-border: rgba(0,0,0,.16);
}

[data-theme="dark"] {
  --bg-primary: #0b0f16;
  --bg-secondary: #111827;
  --bg-card: #111827;
  --text-primary: #e8eefc;
  --text-secondary: #d1d5db;
  --text-hint: #9ca3af;
  --border-color: rgba(255,255,255,.08);
  --border-input: rgba(255,255,255,.12);
  --button-bg: #1f2a44;
  --button-hover: #263455;
  --link-color: #9cc2ff;
  --badge-border: rgba(255,255,255,.16);
}

body {
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial;
  background: var(--bg-primary);
  color: var(--text-primary);
  margin: 0;
  transition: background-color 0.3s ease, color 0.3s ease;
}
.wrap { max-width: 920px; margin: 0 auto; padding: 28px 16px; min-height: calc(100vh - 120px); }
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 18px;
  transition: background-color 0.3s ease, border-color 0.3s ease;
}
.row { display: flex; gap: 10px; flex-wrap: wrap; }
input {
  flex: 1;
  min-width: 240px;
  padding: 14px;
  border-radius: 12px;
  border: 1px solid var(--border-input);
  background: var(--bg-secondary);
  color: var(--text-primary);
  outline: none;
  transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}
button {
  padding: 14px 16px;
  border-radius: 12px;
  border: 1px solid var(--border-input);
  background: var(--button-bg);
  color: var(--text-primary);
  cursor: pointer;
  transition: background-color 0.3s ease, color 0.3s ease;
}
button:hover { background: var(--button-hover); }
.hint { color: var(--text-hint); font-size: 14px; margin-top: 10px; }
.item { padding: 14px 0; border-top: 1px solid var(--border-color); }
.w { font-size: 18px; font-weight: 700; }
.tr { color: var(--text-secondary); margin-top: 4px; }
.meta { color: var(--text-hint); font-size: 13px; margin-top: 6px; }
.badge {
  display: inline-block;
  padding: 3px 8px;
  border: 1px solid var(--badge-border);
  border-radius: 999px;
  font-size: 12px;
  color: var(--text-secondary);
  margin-right: 6px;
}
.empty { color: var(--text-hint); padding: 18px 0; }
.top { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 14px; flex-wrap: wrap; }
a { color: var(--link-color); text-decoration: none; }
a:hover { text-decoration: underline; }

.theme-toggle {
  width: 52px;
  height: 28px;
  background: var(--button-bg);
  border: 1px solid var(--border-input);
  border-radius: 999px;
  position: relative;
  cursor: pointer;
  transition: background-color 0.3s ease;
}
.theme-toggle:hover { background: var(--button-hover); }
.theme-toggle-slider {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 20px;
  height: 20px;
  background: var(--text-primary);
  border-radius: 50%;
  transition: transform 0.3s ease, background-color 0.3s ease;
}
[data-theme="dark"] .theme-toggle-slider { transform: translateX(24px); }

.top-right { display: flex; align-items: center; gap: 12px; }

footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 24px 16px;
  margin-top: 40px;
  transition: background-color 0.3s ease, border-color 0.3s ease;
}
.footer-content {
  max-width: 920px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}
.footer-text { color: var(--text-hint); font-size: 14px; line-height: 1.6; }

.support-btn {
  padding: 10px 20px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.support-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(102,126,234,0.4);
  text-decoration: none;
}

.telegram-btn {
  padding: 8px 16px;
  background: linear-gradient(135deg, #0088cc 0%, #005580 100%);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  font-size: 13px;
}
.telegram-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,136,204,0.4);
  text-decoration: none;
}

.theme-label { font-size: 11px; color: var(--text-hint); text-align: center; margin-top: 4px; }

/* ── Mode tabs ─────────────────────────────────────────────────────────────── */
.mode-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 14px;
  background: var(--bg-secondary);
  border-radius: 12px;
  padding: 4px;
  border: 1px solid var(--border-color);
  transition: background-color 0.3s ease, border-color 0.3s ease;
}
.mode-tab {
  flex: 1;
  padding: 9px 14px;
  border-radius: 9px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-hint);
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}
.mode-tab.active {
  background: var(--bg-card);
  color: var(--text-primary);
  border-color: var(--border-color);
}
.mode-tab:hover:not(.active) { background: var(--button-hover); color: var(--text-primary); }
.beta-badge {
  display: inline-block;
  font-size: 10px;
  padding: 2px 5px;
  background: rgba(124,58,237,.12);
  color: #7c3aed;
  border-radius: 4px;
  font-weight: 700;
  margin-left: 4px;
  vertical-align: middle;
}
[data-theme="dark"] .beta-badge { background: rgba(167,139,250,.15); color: #a78bfa; }

/* ── Translate card ────────────────────────────────────────────────────────── */
#translate-card textarea {
  width: 100%;
  padding: 14px;
  border-radius: 12px;
  border: 1px solid var(--border-input);
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 15px;
  resize: vertical;
  min-height: 80px;
  outline: none;
  transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}

/* ── Phrase translation table ──────────────────────────────────────────────── */
.phrase-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 16px;
  font-size: 14px;
}
.phrase-table th {
  text-align: left;
  padding: 6px 10px;
  color: var(--text-hint);
  border-bottom: 1px solid var(--border-color);
  font-weight: 600;
  font-size: 12px;
}
.phrase-table td {
  padding: 10px;
  border-bottom: 1px solid var(--border-color);
  vertical-align: top;
}
.phrase-table .col-word { font-weight: 700; font-size: 16px; }
.phrase-table .col-trans { color: var(--text-primary); }
.phrase-table .col-pos { color: var(--text-hint); font-size: 12px; }
.phrase-table .col-note { color: var(--text-hint); font-size: 12px; font-style: italic; }
.phrase-table tr.not-found td { color: var(--text-hint); }
.phrase-table tr.not-found .col-word { font-weight: 400; }

@media (max-width: 600px) {
  .top { flex-direction: column; align-items: flex-start; }
  .top-right { width: 100%; justify-content: space-between; }
  .footer-content { flex-direction: column; text-align: center; }
}