.tool-page {
  max-width: 900px;
  margin: 0 auto;
  padding: 100px 5% 80px;
}

.tool-page-header {
  margin-bottom: 40px;
}

.tool-back {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 0.82rem; color: var(--text3);
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
  transition: var(--transition);
  margin-bottom: 24px;
}
.tool-back:hover { color: var(--gold); }

.tool-page-icon {
  font-size: 2.2rem; margin-bottom: 12px;
}
.tool-page-title {
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.1;
  margin-bottom: 10px;
}
.tool-page-desc {
  font-size: 0.95rem;
  color: var(--text2);
  max-width: 500px;
  line-height: 1.7;
}

/* Stats row */
.stat-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
  gap: 12px;
  margin-bottom: 24px;
}
.stat-box {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 16px 12px;
  text-align: center;
  transition: var(--transition);
}
.stat-box:hover { border-color: var(--border2); }
.stat-box-num {
  font-family: var(--font-disp);
  font-size: 1.5rem; font-weight: 700;
  color: var(--gold);
  line-height: 1;
  margin-bottom: 6px;
}
.stat-box-label {
  font-size: 0.7rem;
  color: var(--text3);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-family: var(--font-mono);
}

/* Textarea input */
.tool-input-wrap {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  margin-bottom: 20px;
  transition: var(--transition);
}
.tool-input-wrap:focus-within {
  border-color: var(--gold-dim);
  box-shadow: 0 0 0 3px var(--gold-glow);
}

.tool-input-toolbar {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--bg3);
}
.toolbar-label {
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  color: var(--text3);
  text-transform: uppercase;
  flex: 1;
}
.toolbar-btn {
  font-size: 0.78rem;
  color: var(--text2);
  padding: 4px 12px;
  border-radius: var(--r-sm);
  border: 1px solid var(--border);
  background: none;
  cursor: pointer;
  font-family: var(--font-body);
  transition: var(--transition);
}
.toolbar-btn:hover { color: var(--text); border-color: var(--border2); background: var(--border); }
.toolbar-btn.primary { color: var(--gold); border-color: var(--gold-dim); }
.toolbar-btn.primary:hover { background: var(--gold-dim); }

.tool-textarea {
  width: 100%;
  min-height: 260px;
  background: transparent;
  border: none;
  outline: none;
  padding: 20px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text);
  line-height: 1.7;
  resize: vertical;
}
.tool-textarea::placeholder { color: var(--text3); }

/* Two column layout */
.tool-two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 20px;
}
@media (max-width: 640px) {
  .tool-two-col { grid-template-columns: 1fr; }
}

/* Section card */
.tool-section-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 20px;
  margin-bottom: 20px;
}
.tsc-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 16px;
}

/* Output box */
.tool-output {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 16px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text);
  line-height: 1.7;
  min-height: 120px;
  white-space: pre-wrap;
  word-break: break-all;
}

/* Keyword tags */
.keyword-list { display: flex; flex-wrap: wrap; gap: 8px; }
.kw-tag {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 0.8rem; color: var(--text2);
  background: var(--bg3);
  border: 1px solid var(--border);
  padding: 4px 12px;
  border-radius: 99px;
}
.kw-count {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--gold);
  background: var(--gold-dim);
  padding: 1px 6px;
  border-radius: 99px;
}

/* Result badge */
.result-badge {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.82rem; font-weight: 500;
  padding: 8px 16px;
  border-radius: 99px;
  margin-bottom: 16px;
}
.result-badge.success { background: rgba(74,222,128,0.1); color: #4ade80; border: 1px solid rgba(74,222,128,0.2); }
.result-badge.warn    { background: rgba(251,191,36,0.1); color: #fbbf24; border: 1px solid rgba(251,191,36,0.2); }
.result-badge.info    { background: var(--gold-dim); color: var(--gold-lt); border: 1px solid var(--gold-dim); }

/* Diff highlight */
.diff-added   { background: rgba(74,222,128,0.15); color: #4ade80; border-radius: 2px; }
.diff-removed { background: rgba(248,113,113,0.15); color: #f87171; text-decoration: line-through; border-radius: 2px; }

/* Buttons row */
.btn-row { display: flex; gap: 10px; flex-wrap: wrap; margin: 16px 0; }

/* Select / input styled */
.tool-select, .tool-input {
  background: var(--bg2);
  border: 1px solid var(--border2);
  border-radius: var(--r-sm);
  padding: 8px 14px;
  font-family: var(--font-body);
  font-size: 0.88rem;
  color: var(--text);
  outline: none;
  transition: var(--transition);
}
.tool-select:focus, .tool-input:focus {
  border-color: var(--gold-dim);
  box-shadow: 0 0 0 2px var(--gold-glow);
}
.tool-select option { background: var(--bg2); }

/* Checkbox group */
.checkbox-group { display: flex; flex-wrap: wrap; gap: 12px; }
.checkbox-item { display: flex; align-items: center; gap: 8px; font-size: 0.85rem; color: var(--text2); cursor: pointer; }
.checkbox-item input { accent-color: var(--gold); width: 15px; height: 15px; cursor: pointer; }

/* Range input */
input[type="range"] {
  accent-color: var(--gold);
  width: 100%;
}

/* Strength meter */
.strength-bar {
  height: 6px; border-radius: 3px;
  background: var(--bg3);
  overflow: hidden; margin: 12px 0;
}
.strength-fill {
  height: 100%; border-radius: 3px;
  transition: width 0.4s ease, background 0.4s ease;
}