.tool-page .main-nav a[href="dipsignal.html"] {
  color: var(--text);
  font-weight: 700;
}

.tool-page-header,
.tool-panel,
.tool-results,
.tool-empty-state,
.tool-section,
.tool-result-card,
.tool-meta-grid,
.tool-reason-grid,
.tool-decision-grid,
.tool-sources {
  min-width: 0;
}

.tool-page-header {
  display: grid;
  gap: 14px;
  max-width: 760px;
}

.tool-meta-row,
.tool-source-list,
.tool-checkbox-grid,
.tool-form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tool-pill,
.tool-inline-pill,
.tool-view-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--chip-bg);
  font-size: 0.9rem;
  font-weight: 700;
}

.tool-pill.is-live,
.tool-inline-pill.is-up {
  background: rgba(118, 183, 97, 0.14);
  border-color: rgba(118, 183, 97, 0.25);
}

.tool-pill.is-fallback,
.tool-inline-pill.is-flat {
  background: rgba(123, 128, 136, 0.14);
  border-color: rgba(123, 128, 136, 0.22);
}

.tool-pill.is-down,
.tool-inline-pill.is-down {
  background: rgba(214, 74, 74, 0.14);
  border-color: rgba(214, 74, 74, 0.24);
}

.tool-panel {
  display: grid;
  gap: 20px;
}

.tool-intro-copy {
  margin: 0;
  max-width: 760px;
  color: var(--muted);
  line-height: 1.78;
}

.tool-form {
  display: grid;
  gap: 18px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface-strong);
}

.tool-form-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.tool-field {
  display: grid;
  gap: 8px;
}

.tool-field-wide {
  grid-column: 1 / -1;
}

.tool-label {
  font-size: 0.9rem;
  font-weight: 700;
}

.tool-form input,
.tool-form select,
.tool-form textarea {
  width: 100%;
  min-height: 52px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--chip-bg);
  color: var(--text);
}

.tool-form textarea {
  min-height: 176px;
  resize: vertical;
}

.tool-form input:focus,
.tool-form select:focus,
.tool-form textarea:focus {
  outline: none;
  border-color: rgba(92, 101, 110, 0.42);
  box-shadow: 0 0 0 1px rgba(92, 101, 110, 0.22);
}

.tool-checkbox-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.tool-checkbox-card {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 56px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--chip-bg);
  cursor: pointer;
}

.tool-checkbox-card input {
  width: 18px;
  height: 18px;
  min-height: 18px;
  padding: 0;
  margin: 0;
}

.tool-button {
  min-width: 180px;
}

.tool-button-lime {
  color: #0b2e13;
  background: linear-gradient(135deg, #bcff71, #6edf82);
  box-shadow: 0 14px 32px rgba(110, 223, 130, 0.22);
}

.tool-button-lime:hover,
.tool-button-lime:focus-visible {
  background: linear-gradient(135deg, #ccff8a, #83e892);
}

.tool-status-text {
  margin: 0;
  display: inline-flex;
  align-items: center;
  color: var(--muted);
  line-height: 1.55;
}

.tool-results {
  display: grid;
  gap: 18px;
}

.tool-empty-state,
.tool-section,
.tool-result-card {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface-strong);
}

.tool-empty-state {
  display: grid;
  gap: 10px;
}

.tool-empty-state h3,
.tool-section h3,
.tool-card-title,
.tool-decision-copy h4 {
  margin: 0;
}

.tool-empty-state p,
.tool-section-copy,
.tool-detail-copy,
.tool-note,
.tool-warning,
.tool-card-copy p,
.tool-decision-copy p {
  margin: 0;
  color: var(--muted);
  line-height: 1.72;
}

.tool-section {
  display: grid;
  gap: 18px;
}

.tool-section-header {
  display: grid;
  gap: 10px;
}

.tool-section-header h3 {
  font-size: 1.35rem;
  line-height: 1.15;
}

.tool-card-stack {
  display: grid;
  gap: 16px;
}

.tool-result-card {
  display: grid;
  gap: 18px;
  background:
    radial-gradient(circle at top right, rgba(111, 116, 124, 0.08), transparent 24%),
    var(--surface-strong);
}

.tool-card-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 14px;
}

.tool-card-copy {
  display: grid;
  gap: 8px;
}

.tool-card-title {
  font-size: 1.55rem;
  line-height: 1.05;
  letter-spacing: -0.04em;
}

.tool-company {
  font-size: 0.98rem;
  color: var(--muted);
}

.tool-meta-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.tool-meta-card,
.tool-reason-card,
.tool-decision-card {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--chip-bg);
}

.tool-meta-card strong {
  display: block;
  margin-bottom: 8px;
  font-size: 0.86rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.tool-meta-card span {
  display: block;
  font-size: 1rem;
  line-height: 1.6;
}

.tool-reason-grid,
.tool-decision-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.tool-reason-card h4,
.tool-decision-copy h4 {
  margin: 0 0 10px;
  font-size: 1.05rem;
}

.tool-meter-track {
  position: relative;
  width: 100%;
  height: 12px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(23, 24, 25, 0.08);
}

.tool-meter-fill {
  position: absolute;
  inset: 0 auto 0 0;
  width: 0;
  border-radius: inherit;
  background: linear-gradient(90deg, #6edf82, #e4bf54, #d64a4a);
}

.tool-meter-label {
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.94rem;
}

.tool-view-pill {
  margin-bottom: 12px;
}

.tool-note,
.tool-warning {
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--chip-bg);
}

.tool-warning {
  background: rgba(214, 74, 74, 0.08);
  border-color: rgba(214, 74, 74, 0.16);
  color: var(--text);
}

.tool-source-list a {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--chip-bg);
  font-size: 0.88rem;
  font-weight: 700;
}

.tool-loading {
  position: relative;
}

.tool-loading::after {
  content: "";
  position: absolute;
  top: 18px;
  right: 18px;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(23, 24, 25, 0.16);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: tool-spin 0.85s linear infinite;
}

@keyframes tool-spin {
  to {
    transform: rotate(360deg);
  }
}

@media (max-width: 1120px) {
  .tool-form-grid,
  .tool-reason-grid,
  .tool-decision-grid {
    grid-template-columns: 1fr;
  }

  .tool-checkbox-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 820px) {
  .tool-form,
  .tool-empty-state,
  .tool-section,
  .tool-result-card {
    padding: 20px;
  }

  .tool-checkbox-grid,
  .tool-meta-grid {
    grid-template-columns: 1fr;
  }

  .tool-form-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .tool-button {
    width: 100%;
  }
}

@media (max-width: 560px) {
  .tool-card-head {
    flex-direction: column;
  }

  .tool-meta-row,
  .tool-source-list {
    flex-direction: column;
  }

  .tool-source-list a {
    width: 100%;
    justify-content: center;
  }
}