.bevc-tool {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.bevc-layout {
  display: grid;
  grid-template-columns: minmax(260px, 340px) minmax(0, 1fr);
  gap: 12px;
}

.bevc-panel {
  background: var(--bg-canvas);
  border: 1px solid var(--border-default);
  border-radius: var(--radius);
  padding: 12px;
}

.bevc-panel-head {
  margin-bottom: 10px;
}

.bevc-panel-head h2 {
  margin: 0;
  font-size: 13px;
  font-weight: 600;
}

.bevc-form {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.bevc-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 11px;
  color: var(--fg-muted);
}

.bevc-field > span {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--fg-subtle);
}

.bevc-select,
.bevc-input {
  background: var(--bg-subtle);
  border: 1px solid var(--border-default);
  color: var(--fg-default);
  border-radius: var(--radius);
  font: inherit;
  font-size: 12px;
  padding: 7px 8px;
}

.bevc-mode-tabs {
  display: flex;
  gap: 4px;
}

.bevc-mode-tab {
  flex: 1;
  background: var(--bg-subtle);
  border: 1px solid var(--border-default);
  color: var(--fg-muted);
  border-radius: var(--radius);
  font: inherit;
  font-size: 11px;
  padding: 6px 8px;
  cursor: pointer;
}

.bevc-mode-tab.is-active {
  color: var(--fg-default);
  border-color: var(--accent-emphasis);
  background: var(--bg-muted);
}

.bevc-meta {
  margin-top: 10px;
  font-size: 10px;
  color: var(--fg-subtle);
}

.bevc-status-bar {
  margin-bottom: 10px;
}

.bevc-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 600;
  padding: 5px 10px;
  border-radius: 999px;
  border: 1px solid transparent;
}

.bevc-status.is-profitable {
  color: var(--accent-success, #3fb950);
  border-color: color-mix(in srgb, var(--accent-success, #3fb950) 40%, transparent);
  background: color-mix(in srgb, var(--accent-success, #3fb950) 12%, transparent);
}

.bevc-status.is-unprofitable {
  color: var(--accent-danger, #f85149);
  border-color: color-mix(in srgb, var(--accent-danger, #f85149) 40%, transparent);
  background: color-mix(in srgb, var(--accent-danger, #f85149) 12%, transparent);
}

.bevc-status.is-tight {
  color: var(--accent-warning, #d29922);
  border-color: color-mix(in srgb, var(--accent-warning, #d29922) 40%, transparent);
  background: color-mix(in srgb, var(--accent-warning, #d29922) 12%, transparent);
}

.bevc-hero-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-bottom: 10px;
}

.bevc-hero-card {
  padding: 12px;
  border-radius: var(--radius);
  background: var(--bg-subtle);
  border: 1px solid var(--border-default);
}

.bevc-hero-card.is-primary {
  border-color: var(--accent-emphasis);
}

.bevc-hero-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--fg-subtle);
}

.bevc-hero-value {
  margin-top: 6px;
  font-size: 20px;
  font-weight: 700;
  line-height: 1.1;
}

.bevc-hero-sub {
  margin-top: 4px;
  font-size: 10px;
  color: var(--fg-muted);
}

.bevc-current,
.bevc-payback {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.bevc-kv {
  padding: 8px;
  border-radius: var(--radius);
  background: var(--bg-subtle);
  border: 1px solid var(--border-default);
}

.bevc-kv-label {
  font-size: 10px;
  color: var(--fg-subtle);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.bevc-kv-value {
  margin-top: 4px;
  font-size: 13px;
  font-weight: 600;
}

.bevc-table-wrap {
  overflow-x: auto;
}

.bevc-table tbody tr.is-active {
  background: var(--bg-muted);
}

.bevc-empty {
  text-align: center;
  color: var(--fg-subtle);
  padding: 16px !important;
}

.is-profit { color: var(--accent-success, #3fb950); }
.is-loss { color: var(--accent-danger, #f85149); }

@media (max-width: 900px) {
  .bevc-layout { grid-template-columns: 1fr; }
  .bevc-hero-grid,
  .bevc-current,
  .bevc-payback { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 560px) {
  .bevc-hero-grid,
  .bevc-current,
  .bevc-payback { grid-template-columns: 1fr; }
}

/* Shared tool-guide partial styling */
.bevc-tool > .tf-guide-box {
  margin-top: 2px;
}

.tf-guide-box {
  background: var(--bg-canvas);
  border: 1px solid var(--border-default);
  border-left: 3px solid var(--accent-emphasis);
  border-radius: var(--radius);
  padding: 10px 12px;
  font-size: 11px;
  color: var(--fg-muted);
}

.tf-guide-box summary {
  cursor: pointer;
  color: var(--fg-default);
  font-weight: 600;
  font-size: 12px;
  list-style: none;
}

.tf-guide-box summary::-webkit-details-marker {
  display: none;
}

.tf-guide-content {
  margin-top: 10px;
}

.tf-guide-intro {
  margin: 0 0 12px;
  line-height: 1.55;
  color: var(--fg-muted);
}

.tf-guide-heading {
  margin: 0 0 6px;
  font-size: 11px;
  font-weight: 600;
  color: var(--fg-default);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.tf-guide-list {
  margin: 0 0 12px;
  padding-left: 18px;
  line-height: 1.55;
}

.tf-guide-list:last-child {
  margin-bottom: 0;
}

.tf-guide-list-consider li::marker {
  color: var(--accent);
}