.tool-page-wrap {
  padding: 40px 0 64px;
}

.tool-header {
  margin-bottom: 32px;
}

.tool-header .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text3);
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.tool-header .breadcrumb a {
  color: var(--text3);
}

.tool-header .breadcrumb a:hover {
  color: var(--accent);
}

.tool-header .breadcrumb span {
  color: var(--text3);
}

.tool-header h1 {
  font-size: clamp(24px, 4vw, 36px);
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.4px;
  margin-bottom: 8px;
}

.tool-header p {
  color: var(--text2);
  font-size: 15px;
}

.tool-layout {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 24px;
  align-items: start;
}

.tool-main {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.tool-sidebar {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.tool-panel {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}

.tool-panel h2 {
  font-size: 16px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}

.tutorial-cta {
  background: linear-gradient(135deg, rgba(91,141,238,0.1), rgba(167,139,250,0.1));
  border: 1px solid rgba(91,141,238,0.25);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
}

.tutorial-cta p {
  font-size: 13px;
  color: var(--text2);
  margin-bottom: 12px;
}

.info-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.info-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}

.info-item:last-child {
  border-bottom: none;
}

.info-item .label {
  color: var(--text3);
}

.info-item .value {
  color: var(--text);
  font-weight: 500;
  text-align: right;
}

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

.output-card {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px;
}

.output-card .oc-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text3);
  margin-bottom: 6px;
}

.output-card .oc-value {
  font-size: 20px;
  font-weight: 700;
  color: var(--accent);
}

.output-card .oc-sub {
  font-size: 12px;
  color: var(--text3);
  margin-top: 3px;
}

.phase-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px;
}

.moon-circle {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  position: relative;
  overflow: hidden;
  background: #1a1a2e;
  border: 2px solid var(--border);
}

.moon-lit {
  position: absolute;
  top: 0;
  height: 100%;
  background: #e8e8d0;
  transition: all 0.4s ease;
}

@media (max-width: 900px) {
  .tool-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .output-grid {
    grid-template-columns: 1fr;
  }
}