@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500&family=IBM+Plex+Sans:wght@400;500;600&family=Space+Grotesk:wght@500;600;700&display=swap");

:root {
  --tools-bg: radial-gradient(circle at 15% 20%, #d8f6ff 0%, #f4f8ff 35%, #f9fafb 75%);
  --tools-panel: #ffffff;
  --tools-ink: #152033;
  --tools-muted: #53627a;
  --tools-accent: #0457d3;
  --tools-accent-soft: #d9e7ff;
  --tools-border: #d1d9e8;
  --tools-line: #99a8c0;
  --tools-negative: #b42318;
  --tools-negative-good: #358b31;
}

.tools-shell {
  display: grid;
  gap: 0.8rem;
}

.tools-shell__toolbar {
  align-items: center;
  display: flex;
  gap: 0.6rem;
}

.tools-shell__select-label {
  color: var(--tools-muted);
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  font-size: 0.85rem;
}

.tools-shell__select {
  background: #fff;
  border: 1px solid #8ea1bf;
  border-radius: 8px;
  color: var(--tools-ink);
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  font-size: 0.95rem;
  min-width: 210px;
  padding: 0.45rem 0.6rem;
}

.tools-shell__host {
  min-height: 420px;
}

.tools-shell__permalink {
  color: var(--tools-accent);
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  font-size: 0.86rem;
  font-weight: 500;
  margin-left: auto;
  text-decoration: none;
}

.tools-shell__permalink:hover,
.tools-shell__permalink:focus-visible {
  text-decoration: underline;
}

.dutch-tax-page__outer {
  animation: frame-rise 0.5s ease-out;
  background: var(--tools-bg);
  border: 1px solid #121212;
  border-radius: 15px;
  margin: 0 auto;
  max-width: 860px;
  padding: 1rem;
}

.dutch-tax-page__title-wrap {
  align-items: center;
  display: flex;
  gap: 0.55rem;
}

.dutch-tax-page__title {
  color: var(--tools-ink);
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  font-size: 1.15rem;
  font-weight: 600;
  margin: 0;
}

.tool-shell {
  display: grid;
  gap: 0.8rem;
}

.tool-card {
  animation: card-in 0.55s ease both;
  background: var(--tools-panel);
  border-radius: 3px;
  box-shadow: 0 6px 24px rgba(13, 30, 56, 0.09);
  padding: 0.9rem;
}

.tool-card h2,
.tool-card h3 {
  color: var(--tools-ink);
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  font-size: 1rem;
  margin: 0 0 0.65rem;
}

.tool-card--inputs {
  border: 1px solid #7e7e7e;
  border-radius: 8px;
}

.tool-card--outputs {
  animation-delay: 0.08s;
  border: 1px solid #7e7e7e;
  border-radius: 8px;
}

.tool-card--chart {
  animation-delay: 0.16s;
  border: 1px solid #7e7e7e;
  border-radius: 8px;
}

.tax-form {
  display: grid;
  gap: 0.6rem;
}

.tax-form__row {
  display: grid;
  gap: 0.3rem;
}

.tax-form label {
  color: var(--tools-muted);
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  font-size: 0.88rem;
}

.tax-form input,
.tax-form select {
  border: 1px solid var(--tools-border);
  border-radius: 8px;
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  font-size: 0.92rem;
  padding: 0.5rem 0.6rem;
}

.tax-form__row--check {
  align-items: center;
  display: flex;
}

.tax-output-table {
  border-collapse: collapse;
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  width: 100%;
  border: None;
}

.tax-output-table td,
.tax-output-table th {
  background-color: #ffffff;
  padding: 0.32rem 0.4rem;
  border: none;
}

.tax-output-table th {
  color: var(--tools-ink);
  font-size: 0.9rem;
  text-align: left;
}

.tax-output-table td:last-child {
  text-align: right;
}

.section-title {
  font-weight: 700;
}

.section-final {
  font-weight: 700;
}

.section-divider td {
  border-bottom: 2px dashed var(--tools-line);
  padding-bottom: 0.45rem;
}

.section-net {
  font-weight: 700;
}

.value-positive {
  color: #101828;
}

.value-negative {
  color: var(--tools-negative);
}

.value-negative-good {
  color: var(--tools-negative-good);
}

.sankey-chart {
  min-height: 280px;
  width: 100%;
}

.chart-error {
  color: var(--tools-negative);
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  margin: 0;
}

.dutch-tax-page__details {
  margin-top: 1rem;
  border-top: 1px solid var(--tools-border);
  padding-top: 1rem;
}

.dutch-tax-page__details summary {
  color: var(--tools-ink);
  cursor: pointer;
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  font-size: 1rem;
  font-weight: 600;
  list-style: none;
}

.dutch-tax-page__details summary::-webkit-details-marker {
  display: none;
}

.dutch-tax-page__details summary::before {
  border-left: 8px solid transparent;
  border-right: 8px solid transparent;
  border-top: 14px solid #111;
  content: "";
  display: inline-block;
  margin-right: 0.6rem;
  transform: rotate(0deg) translateY(2px);
  transition: transform 0.2s ease;
}

.dutch-tax-page__details[open] summary::before {
  transform: rotate(180deg) translateY(2px);
}

.dutch-tax-page__details-content {
  color: #23314a;
  font-family: "IBM Plex Mono", "Consolas", monospace;
  font-size: 0.86rem;
  line-height: 1.5;
  margin-top: 0.4rem;
  padding: 0.4rem 0 0.6rem;
}

.dutch-tax-page__details-content p {
  margin: 0.1rem 0;
}

.dutch-tax-page__details-content pre {
  background: transparent;
  border: 0;
  margin: 0.35rem 0;
  padding: 0;
}

@media (max-width: 700px) {
  .tools-shell__toolbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .tools-shell__select {
    width: 100%;
  }

  .tools-shell__permalink {
    margin-left: 0;
  }

  .dutch-tax-page__outer {
    margin: 1rem auto;
    padding: 0.6rem;
  }

  .dutch-tax-page__inner {
    padding: 0.6rem;
  }
}

@keyframes frame-rise {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes card-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}