.roi-tool label {
  color: var(--ink-light);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

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

.roi-tool .field {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.roi-tool .input-wrap {
  position: relative;
}

.roi-tool input[type="number"] {
  width: 100%;
  padding: 12px 46px 12px 14px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--bg);
  color: var(--ink);
  font-family: "IBM Plex Mono", monospace;
  font-size: 1rem;
  outline: 0;
  transition: border-color 0.15s ease, background-color 0.15s ease;
  -moz-appearance: textfield;
}

.roi-tool input[type="number"]::-webkit-outer-spin-button,
.roi-tool input[type="number"]::-webkit-inner-spin-button {
  -webkit-appearance: none;
}

.roi-tool input[type="number"]:focus {
  border-color: var(--ink);
  background: #ffffff;
}

.roi-tool .unit {
  position: absolute;
  top: 50%;
  right: 13px;
  transform: translateY(-50%);
  color: var(--ink-light);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.75rem;
  pointer-events: none;
}

.roi-tool .chips {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.roi-tool .chip {
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: transparent;
  color: var(--ink-mid);
  cursor: pointer;
  font-size: 0.8rem;
  transition: transform 0.15s ease, border-color 0.15s ease, background-color 0.15s ease, color 0.15s ease;
}

.roi-tool .chip:hover {
  border-color: var(--ink);
  color: var(--ink);
  transform: translateY(-1px);
}

.roi-tool .chip.active {
  border-color: var(--ink);
  background: var(--ink);
  color: #ffffff;
}

.roi-tool .kpi-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  margin-bottom: 20px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--border);
}

.roi-tool .kpi {
  padding: 18px 16px;
  background: #ffffff;
}

.roi-tool .kpi.primary {
  background: var(--ink);
}

.roi-tool .kpi-label {
  margin-bottom: 8px;
  color: var(--ink-light);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.roi-tool .kpi.primary .kpi-label {
  color: rgba(255, 255, 255, 0.45);
}

.roi-tool .kpi-value {
  color: var(--ink);
  font-family: "IBM Plex Mono", monospace;
  font-size: 1.25rem;
  font-weight: 500;
}

.roi-tool .kpi.primary .kpi-value {
  color: #ffffff;
}

.roi-tool .kpi-value.good {
  color: var(--good);
}

.roi-tool .kpi-value.warn {
  color: var(--warn);
}

.roi-tool .kpi-value.bad {
  color: var(--bad);
}

.roi-tool .kpi-delta {
  margin-top: 4px;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.65rem;
}

.roi-tool .kpi-delta.up {
  color: var(--good);
}

.roi-tool .kpi-delta.dn {
  color: var(--bad);
}

.roi-tool .kpi-delta.flat {
  color: var(--ink-light);
}

.roi-tool .score-wrap {
  margin-bottom: 24px;
}

.roi-tool .score-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 10px;
}

.roi-tool .score-label {
  color: var(--ink-light);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.roi-tool .score-num {
  color: var(--ink);
  font-family: "IBM Plex Mono", monospace;
  font-size: 1.75rem;
  font-weight: 500;
}

.roi-tool .score-num.good {
  color: var(--good);
}

.roi-tool .score-num.warn {
  color: var(--warn);
}

.roi-tool .score-num.bad {
  color: var(--bad);
}

.roi-tool .score-track {
  height: 6px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--border);
}

.roi-tool .score-fill {
  width: 0;
  height: 100%;
  border-radius: 999px;
  transition: width 0.4s ease, background-color 0.2s ease;
}

.roi-tool .score-ticks {
  display: flex;
  justify-content: space-between;
  margin-top: 6px;
  color: var(--ink-light);
  font-size: 0.58rem;
}

.roi-tool .analyse {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 16px 18px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--bg);
  color: var(--ink-mid);
  font-size: 0.88rem;
  line-height: 1.7;
}

.roi-tool .analyse.good {
  border-color: rgba(29, 107, 62, 0.2);
  background: var(--good-bg);
  color: var(--good);
}

.roi-tool .analyse.warn {
  border-color: rgba(138, 94, 0, 0.2);
  background: var(--warn-bg);
  color: var(--warn);
}

.roi-tool .analyse.bad {
  border-color: rgba(139, 28, 28, 0.2);
  background: var(--bad-bg);
  color: var(--bad);
}

.roi-tool .analyse-icon {
  margin-top: 2px;
  flex-shrink: 0;
  font-size: 0.95rem;
}

.roi-tool .chart-wrap {
  margin-top: 20px;
}

.roi-tool .hist-canal {
  width: 110px;
  flex-shrink: 0;
  color: var(--ink-light);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.roi-tool .hist-date {
  flex-shrink: 0;
  color: var(--ink-light);
  font-size: 0.68rem;
}

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

  .roi-tool .kpi-strip {
    grid-template-columns: repeat(2, 1fr);
  }
}