.mrb-tool {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.mrb-presets {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 8px 10px;
  background: var(--bg-canvas);
  border: 1px solid var(--border-default);
  border-radius: var(--radius);
}

.mrb-preset-btn {
  background: var(--bg-subtle);
  border: 1px solid var(--border-default);
  color: var(--fg-muted);
  border-radius: 999px;
  font: inherit;
  font-size: 11px;
  padding: 5px 10px;
  cursor: pointer;
}

.mrb-preset-btn:hover {
  color: var(--fg-default);
  border-color: var(--accent-emphasis);
}

.mrb-layout {
  display: grid;
  grid-template-columns: minmax(280px, 360px) minmax(0, 1fr);
  gap: 10px;
  align-items: start;
}

@media (max-width: 960px) {
  .mrb-layout {
    grid-template-columns: 1fr;
  }
}

.mrb-panel {
  background: var(--bg-canvas);
  border: 1px solid var(--border-default);
  border-radius: var(--radius);
  padding: 12px;
  min-width: 0;
}

.mrb-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

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

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

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

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

.mrb-select,
.mrb-input {
  width: 100%;
  min-height: 32px;
  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;
  box-sizing: border-box;
}

.mrb-add-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: flex-end;
}

.mrb-grow {
  flex: 1 1 160px;
}

.mrb-qty-field {
  flex: 0 0 72px;
}

.mrb-btn {
  min-height: 32px;
  background: var(--bg-muted);
  border: 1px solid var(--accent-emphasis);
  color: var(--fg-default);
  border-radius: var(--radius);
  font: inherit;
  font-size: 11px;
  padding: 6px 12px;
  cursor: pointer;
  white-space: nowrap;
}

.mrb-btn:hover {
  background: var(--bg-subtle);
}

.mrb-lines-title {
  margin: 0 0 6px;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--fg-subtle);
}

.mrb-lines {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-height: 48px;
  padding: 8px;
  background: var(--bg-subtle);
  border: 1px solid var(--border-muted);
  border-radius: var(--radius);
}

.mrb-line {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
}

.mrb-line-name {
  flex: 1;
  color: var(--fg-default);
  font-weight: 600;
}

.mrb-line-qty {
  color: var(--fg-muted);
  font-family: var(--font-mono, monospace);
}

.mrb-line-remove {
  background: transparent;
  border: 1px solid var(--border-default);
  color: var(--fg-muted);
  border-radius: var(--radius);
  font: inherit;
  font-size: 10px;
  padding: 2px 6px;
  cursor: pointer;
}

.mrb-line-remove:hover {
  color: var(--danger);
  border-color: var(--danger);
}

.mrb-meta {
  margin-top: 10px;
  padding-top: 8px;
  border-top: 1px solid var(--border-muted);
  font-size: 10px;
  color: var(--fg-subtle);
}

.mrb-hero-card {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px;
  border-radius: var(--radius);
  border: 1px solid var(--border-default);
  margin-bottom: 10px;
}

.mrb-hero-card.is-profit {
  border-left: 3px solid var(--success);
}

.mrb-hero-card.is-loss {
  border-left: 3px solid var(--danger);
}

.mrb-hero-label {
  font-size: 10px;
  text-transform: uppercase;
  color: var(--fg-subtle);
}

.mrb-hero-value {
  font-size: 28px;
  line-height: 1.1;
}

.mrb-hero-badge {
  font-size: 11px;
  color: var(--fg-muted);
}

.mrb-stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
  gap: 8px;
  margin-bottom: 10px;
}

.mrb-stat-grid > div {
  padding: 8px;
  background: var(--bg-subtle);
  border: 1px solid var(--border-muted);
  border-radius: var(--radius);
  font-size: 11px;
}

.mrb-stat-grid .k {
  display: block;
  color: var(--fg-subtle);
  font-size: 10px;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.mrb-stat-grid .v {
  color: var(--fg-default);
  font-weight: 600;
}

.mrb-period-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin-bottom: 10px;
}

@media (max-width: 720px) {
  .mrb-period-grid {
    grid-template-columns: 1fr;
  }
}

.mrb-period {
  padding: 8px;
  background: var(--bg-subtle);
  border: 1px solid var(--border-muted);
  border-radius: var(--radius);
  font-size: 11px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.mrb-period .mrb-profit.is-positive {
  color: var(--success);
  font-weight: 700;
  font-size: 16px;
}

.mrb-period .mrb-profit.is-negative {
  color: var(--danger);
  font-weight: 700;
  font-size: 16px;
}

.mrb-period .mrb-sub {
  color: var(--fg-muted);
  font-size: 10px;
}

.mrb-section-title {
  margin: 0 0 8px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
}

.mrb-kv {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 12px;
  font-size: 11px;
  margin-bottom: 10px;
}

.mrb-kv dt {
  color: var(--fg-subtle);
}

.mrb-kv dd {
  margin: 0;
  color: var(--fg-default);
}

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

.mrb-badge {
  font-size: 10px;
  color: var(--fg-subtle);
  text-transform: uppercase;
}

.mrb-empty {
  color: var(--fg-muted);
  text-align: center;
  padding: 12px;
  font-size: 11px;
}

.mrb-profit.is-positive {
  color: var(--success);
}

.mrb-profit.is-negative {
  color: var(--danger);
}

/* Tool guide — Come funziona */
.mrb-tool > .tf-guide-box {
  margin-top: 2px;
}

.mrb-tool .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: 12px 14px;
  font-size: 11px;
  color: var(--fg-muted);
}

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

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

.mrb-tool .tf-guide-content {
  margin-top: 12px;
}

.mrb-tool .tf-guide-intro {
  margin: 0 0 14px;
  line-height: 1.55;
  color: var(--fg-muted);
  max-width: 90ch;
}

.mrb-tool .tf-guide-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px 24px;
}

.mrb-tool .tf-guide-block {
  min-width: 0;
  padding: 10px 12px;
  background: var(--bg-subtle);
  border: 1px solid var(--border-muted);
  border-radius: var(--radius);
}

.mrb-tool .tf-guide-heading {
  margin: 0 0 8px;
  font-size: 11px;
  font-weight: 600;
  color: var(--fg-default);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

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

.mrb-tool .tf-guide-list li + li {
  margin-top: 6px;
}

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

@media (max-width: 760px) {
  .mrb-tool .tf-guide-grid {
    grid-template-columns: 1fr;
  }
}