:root {
  --result-good: #3f7d4a;
  --result-bad: #a8462c;
}

html[data-theme="dark"] {
  --result-good: #6fbe7d;
  --result-bad: #e08a6a;
}

.tool-section {
  max-width: 900px;
  margin: 0 auto;
  padding: 20px 24px 80px;
}

.tool-card-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 40px;
  box-shadow: var(--shadow-card);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.tool-inputs {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.tool-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.tool-field-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.tool-field label {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-soft);
}

.tool-field-hint {
  font-weight: 400;
  color: var(--ink-muted);
}

.tool-field input {
  font-family: var(--font-body);
  font-size: 15px;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--ink);
}

.tool-field input:focus {
  outline: none;
  border-color: var(--green);
}

.tool-calc-btn {
  margin-top: 8px;
  width: 100%;
  text-align: center;
}

.tool-result {
  border-left: 1px solid var(--border);
  padding-left: 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.tool-result-label {
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 4px;
}

.tool-result-big {
  font-family: var(--font-headline);
  font-weight: 800;
  font-size: 64px;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--ink);
  margin-bottom: 12px;
  transition: color 0.3s ease;
}

/* Pass/fail signals stay semantic (green/rust) rather than brand maroon, so a
   "good" score never reads as a call to action. Lightened in dark mode to keep
   them legible against the dark surface. */
.tool-result.good .tool-result-big { color: var(--result-good); }
.tool-result.bad .tool-result-big { color: var(--result-bad); }

.tool-result-verdict {
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.55;
  margin-bottom: 24px;
  min-height: 44px;
}

.tool-mini-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 20px;
}

.tool-mini-stat {
  background: var(--bg);
  border-radius: 12px;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.tool-mini-num {
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: 20px;
}

.tool-mini-label {
  font-size: 12px;
  color: var(--ink-muted);
}

.tool-flags {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.tool-flag {
  font-size: 13px;
  color: var(--ink-soft);
  background: var(--bg);
  border-left: 2px solid var(--green);
  border-radius: 0;
  padding: 8px 12px;
}

@media (max-width: 768px) {
  .tool-card-panel {
    grid-template-columns: 1fr;
    padding: 24px;
  }
  .tool-result {
    border-left: none;
    border-top: 1px solid var(--border);
    padding-left: 0;
    padding-top: 24px;
  }
  .tool-result-big { font-size: 48px; }
}