:root {
  color-scheme: light;
  --ink: #18262d;
  --muted: #5d6b72;
  --line: #cfd8dc;
  --paper: #f7f5ef;
  --panel: #ffffff;
  --teal: #276a73;
  --teal-soft: #e4f0ef;
  --rust: #b75d3a;
  --violet: #6b4aa0;
  --red: #b02f35;
  --amber: #ad7825;
  --shadow: 0 14px 32px rgba(24, 38, 45, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  background: var(--paper);
  color: var(--ink);
}

body {
  margin: 0;
  min-width: 320px;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 30;
  padding: 10px 14px;
  border-radius: 6px;
  color: #fff;
  background: #18262d;
  font-weight: 800;
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: translateY(0);
}

.techniek-tool-bar {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 10px min(5vw, 72px);
  border-bottom: 1px solid #dfe5ea;
  background: #fff;
}

.techniek-tool-brand img {
  display: block;
  width: min(210px, 48vw);
  height: auto;
}

.techniek-tool-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.techniek-tool-links a {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  padding: 0 12px;
  border-radius: 6px;
  color: #004eb8;
  font-size: 0.92rem;
  font-weight: 800;
  text-decoration: none;
}

.techniek-tool-links a:hover,
.techniek-tool-links a:focus-visible {
  background: #f1f5f9;
}

.app-header {
  min-height: 310px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 28px;
  padding: 54px min(5vw, 72px) 42px;
  color: white;
  background:
    linear-gradient(rgba(14, 24, 29, 0.7), rgba(14, 24, 29, 0.55)),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1400 620'%3E%3Crect width='1400' height='620' fill='%232f464d'/%3E%3Cg opacity='.7'%3E%3Crect x='-80' y='395' width='1560' height='150' fill='%231e2c33'/%3E%3Crect x='0' y='432' width='1400' height='10' fill='%23b75d3a'/%3E%3Ccircle cx='228' cy='290' r='132' fill='none' stroke='%23d9e5e8' stroke-width='34'/%3E%3Ccircle cx='228' cy='290' r='82' fill='none' stroke='%239eb7bd' stroke-width='16'/%3E%3Ccircle cx='228' cy='158' r='13' fill='%23f5efe3'/%3E%3Ccircle cx='228' cy='422' r='13' fill='%23f5efe3'/%3E%3Ccircle cx='96' cy='290' r='13' fill='%23f5efe3'/%3E%3Ccircle cx='360' cy='290' r='13' fill='%23f5efe3'/%3E%3Ccircle cx='321' cy='197' r='13' fill='%23f5efe3'/%3E%3Ccircle cx='135' cy='197' r='13' fill='%23f5efe3'/%3E%3Ccircle cx='321' cy='383' r='13' fill='%23f5efe3'/%3E%3Ccircle cx='135' cy='383' r='13' fill='%23f5efe3'/%3E%3Cpath d='M495 335h620c50 0 90 40 90 90v39H495z' fill='%23475e66'/%3E%3Cpath d='M555 290h470' stroke='%23d8e1e4' stroke-width='26' stroke-linecap='round'/%3E%3Cpath d='M550 290h480' stroke='%23276a73' stroke-width='8' stroke-linecap='round'/%3E%3Cpath d='M1000 236l88 54-88 54' fill='none' stroke='%23f5efe3' stroke-width='18' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/g%3E%3C/svg%3E")
      center / cover;
}

.app-header > *,
.tool-grid > *,
.line-switcher > *,
.section-title > *,
.readiness-heading > *,
.readiness-meta > * {
  min-width: 0;
}

.eyebrow {
  margin: 0 0 10px;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #d5e8e8;
}

h1 {
  margin: 0;
  max-width: 760px;
  font-size: clamp(2.4rem, 6vw, 5.5rem);
  line-height: 0.98;
  letter-spacing: 0;
}

.lede {
  max-width: 720px;
  margin: 18px 0 0;
  color: #edf5f5;
  font-size: clamp(1rem, 1.7vw, 1.28rem);
  line-height: 1.5;
}

.status-chip {
  max-width: 100%;
  align-self: start;
  justify-self: end;
  margin-top: 10px;
  border: 1px solid rgba(255, 255, 255, 0.42);
  border-radius: 999px;
  padding: 10px 14px;
  font-weight: 800;
  background: rgba(255, 255, 255, 0.16);
  backdrop-filter: blur(8px);
  overflow-wrap: anywhere;
}

.status-chip[data-state="warn"] {
  background: rgba(173, 120, 37, 0.82);
}

.status-chip[data-state="danger"] {
  background: rgba(176, 47, 53, 0.88);
}

main {
  padding: 32px min(5vw, 72px) 0;
}

.tool-grid,
.band-inner,
.line-switcher {
  max-width: 1320px;
  margin: 0 auto;
}

.line-switcher {
  display: grid;
  grid-template-columns: max-content max-content minmax(260px, 1fr);
  gap: 10px;
  align-items: center;
  margin-bottom: 18px;
}

.line-tab {
  min-height: 42px;
  border: 1px solid rgba(39, 106, 115, 0.32);
  border-radius: 6px;
  padding: 0 16px;
  color: var(--teal);
  background: #fff;
}

.line-tab.is-active {
  color: #fff;
  background: var(--teal);
}

.line-tab sup {
  font-size: 0.62em;
  line-height: 0;
}

.line-switcher p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.4;
}

.tool-grid {
  display: grid;
  grid-template-columns: minmax(0, 430px) minmax(0, 1fr);
  gap: 22px;
  align-items: stretch;
}

.panel {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.controls,
.results,
.panel {
  padding: 22px;
}

.section-title {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
}

.section-title output,
.section-title span:last-child {
  color: var(--ink);
  text-transform: none;
}

.control {
  display: grid;
  grid-template-columns: minmax(88px, 0.7fr) minmax(100px, 0.9fr) minmax(0, 1.25fr);
  gap: 10px;
  align-items: center;
  padding: 16px 0;
  border-top: 1px solid #edf1f2;
  font-weight: 700;
}

.control output {
  min-width: 0;
  justify-self: end;
  color: var(--teal);
  font-variant-numeric: tabular-nums;
  text-align: right;
  line-height: 1.25;
  overflow-wrap: anywhere;
}

.control select {
  min-height: 44px;
  border-color: #9fb0b6;
  background: #fbfcfc;
}

.stacked-output small {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 800;
}

input[type="range"] {
  width: 100%;
  accent-color: var(--teal);
}

.configuration-scope-note {
  margin: 0 0 16px;
  padding: 11px 13px;
  border: 1px solid #d5e0e3;
  border-left: 4px solid var(--teal);
  border-radius: 6px;
  color: #40535b;
  background: #f7fafb;
  font-size: 0.79rem;
  font-weight: 750;
  line-height: 1.45;
}

.select-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  padding-top: 18px;
  border-top: 1px solid #edf1f2;
}

.select-row label:has(#material),
.select-row label:has(#boltMaterial) {
  grid-column: 1 / -1;
}

.select-row label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
}

select {
  width: 100%;
  min-width: 0;
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0 12px;
  color: var(--ink);
  background: white;
  font: inherit;
  font-weight: 700;
}

.material-filter {
  width: 100%;
  min-width: 0;
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0 12px;
  color: var(--ink);
  background: #fbfcfc;
  font: inherit;
  font-weight: 650;
}

.report-fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid #edf1f2;
}

.report-fields label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
}

.report-fields input {
  min-height: 42px;
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0 12px;
  color: var(--ink);
  background: white;
  font: inherit;
  font-weight: 650;
}

.download-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
}

button {
  min-height: 44px;
  border: 0;
  border-radius: 6px;
  padding: 0 14px;
  font: inherit;
  font-weight: 850;
  cursor: pointer;
}

.primary-action {
  color: white;
  background: var(--teal);
}

.secondary-action {
  color: var(--teal);
  border: 1px solid rgba(39, 106, 115, 0.35);
  background: var(--teal-soft);
}

button:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 3px solid rgba(183, 93, 58, 0.35);
  outline-offset: 2px;
}

.meter {
  height: 18px;
  overflow: hidden;
  border: 1px solid #c6d1d5;
  border-radius: 999px;
  background: #eef3f4;
}

.meter > div {
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--teal), var(--rust));
  transition: width 180ms ease;
}

.meter > div[data-state="warn"] {
  background: linear-gradient(90deg, var(--teal), var(--amber));
}

.meter > div[data-state="danger"] {
  background: linear-gradient(90deg, var(--amber), var(--red));
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(120px, 1fr));
  gap: 14px;
  margin: 18px 0;
}

.metric {
  min-height: 96px;
  border: 1px solid #e0e7ea;
  border-radius: 8px;
  padding: 14px;
  background: #fbfcfc;
}

.metric span {
  display: block;
  min-height: 34px;
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 700;
}

.metric strong {
  display: block;
  min-width: 0;
  margin-top: 8px;
  font-size: clamp(1.1rem, 2vw, 1.7rem);
  font-variant-numeric: tabular-nums;
  overflow-wrap: anywhere;
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: 18px 0;
}

.subpanel {
  border: 1px solid #dfe6e8;
  border-radius: 8px;
  padding: 14px;
  background: #fbfcfc;
}

.qualification-panel {
  background: #fffaf2;
}

.readiness-panel {
  margin: 18px 0;
  border: 1px solid #d7c49e;
  border-radius: 8px;
  padding: 16px;
  background: #fffaf2;
}

.readiness-heading,
.readiness-meta {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
}

.readiness-heading h2 {
  margin: 2px 0 0;
  font-size: 1.15rem;
}

.readiness-heading strong {
  color: var(--amber);
  text-align: right;
}

.readiness-heading strong[data-state="danger"] {
  color: var(--red);
}

.readiness-heading strong[data-state="ready"] {
  color: var(--teal);
}

.readiness-eyebrow {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 850;
  text-transform: uppercase;
}

.readiness-note {
  margin: 12px 0 !important;
  font-size: 0.88rem;
}

.readiness-progress {
  height: 10px;
  overflow: hidden;
  border-radius: 5px;
  background: #eadfca;
}

.readiness-progress > div {
  width: 0;
  height: 100%;
  background: var(--amber);
  transition: width 160ms ease;
}

.readiness-progress > div[data-state="ready"] {
  background: var(--teal);
}

.readiness-meta {
  margin: 8px 0 14px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
}

.evidence-checklist {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 14px;
}

.evidence-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  padding: 9px;
  border: 1px solid #e5dcc9;
  border-radius: 6px;
  background: white;
}

.evidence-item.needs-reference {
  border-color: #c89038;
  box-shadow: inset 3px 0 0 #c89038;
}

.evidence-check {
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr);
  gap: 8px;
  align-items: start;
  cursor: pointer;
}

.evidence-check input {
  width: 17px;
  height: 17px;
  margin: 2px 0 0;
  accent-color: var(--teal);
}

.evidence-check span {
  color: var(--ink);
  font-size: 0.82rem;
  font-weight: 750;
  line-height: 1.35;
}

.evidence-check small {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-weight: 600;
}

.evidence-reference {
  display: grid;
  gap: 4px;
  padding-left: 28px;
}

.evidence-reference span {
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 850;
  text-transform: uppercase;
}

.evidence-reference input {
  width: 100%;
  min-height: 36px;
  border: 1px solid #b8c6ca;
  border-radius: 5px;
  padding: 7px 9px;
  color: var(--ink);
  background: #fbfcfc;
  font: inherit;
  font-size: 0.78rem;
}

.evidence-reference input[aria-invalid="true"] {
  border-color: #c89038;
  background: #fffaf2;
}

.evidence-state {
  padding-left: 28px;
  color: var(--muted);
  font-size: 0.7rem;
  font-weight: 700;
}

.compact-title {
  margin-bottom: 12px;
}

.data-list {
  display: grid;
  gap: 8px;
}

.data-list div {
  display: grid;
  grid-template-columns: minmax(120px, 1fr) minmax(120px, auto);
  gap: 10px;
  align-items: baseline;
  border-top: 1px solid #e5ecee;
  padding-top: 8px;
}

.data-list div:first-child {
  border-top: 0;
  padding-top: 0;
}

.data-list span {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 750;
}

.data-list strong {
  min-width: 0;
  text-align: right;
  color: var(--ink);
  font-size: 0.9rem;
  font-variant-numeric: tabular-nums;
  overflow-wrap: anywhere;
}

canvas {
  display: block;
  width: 100%;
  height: 360px;
  border: 1px solid #dfe6e8;
  border-radius: 8px;
  background: #fbfcfc;
}

.wide-band {
  margin: 28px calc(min(5vw, 72px) * -1) 0;
  padding: 30px min(5vw, 72px);
  background: #edf2f1;
}

.notes-band {
  background: #f8efe4;
}

.chart-layout,
.notes-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(330px, 0.7fr);
  gap: 22px;
}

.report-panel {
  grid-column: 1 / -1;
}

.agent-panel {
  grid-column: 1 / -1;
}

.agent-panel code {
  border-radius: 4px;
  padding: 2px 5px;
  color: #153f47;
  background: #e8f1f1;
  font-size: 0.88em;
}

.agent-links,
.legal-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
}

.agent-links a,
.legal-links a {
  color: var(--teal);
  font-weight: 800;
  text-underline-offset: 3px;
}

.class-chart {
  display: grid;
  gap: 12px;
}

.chart-row {
  display: grid;
  grid-template-columns: 86px minmax(180px, 1fr) minmax(170px, auto);
  gap: 14px;
  align-items: center;
}

.chart-row.out {
  opacity: 0.5;
}

.chart-label {
  font-weight: 800;
}

.bar-stack {
  position: relative;
  height: 34px;
  overflow: hidden;
  border: 1px solid #d3dddf;
  border-radius: 6px;
  background: white;
}

.bar {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
}

.bar.pressure {
  background: rgba(107, 74, 160, 0.16);
}

.bar.axial {
  height: 50%;
  background: rgba(39, 106, 115, 0.6);
}

.bar.moment {
  top: 50%;
  height: 50%;
  background: rgba(183, 93, 58, 0.68);
}

.chart-value {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 700;
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.diagram-panel svg {
  display: block;
  width: 100%;
  min-height: 250px;
  border: 1px solid #dfe6e8;
  border-radius: 8px;
  background: #fbfcfc;
}

.diagram-panel text {
  fill: var(--ink);
  font: 700 15px system-ui, sans-serif;
}

#profileDiagram text {
  fill: #28363c;
  font: 600 12px system-ui, sans-serif;
}

.profile-band .profile-figure {
  margin-top: 4px;
}

.profile-delta {
  margin-top: 14px;
}

.profile-note {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 0.82rem;
}

.muted {
  color: var(--muted);
  font-size: 0.86rem;
}

.plain-list {
  margin: 0;
  padding-left: 20px;
  color: #34454c;
  line-height: 1.6;
}

.plain-list li + li {
  margin-top: 10px;
}

.panel p {
  margin: 0 0 16px;
  color: #34454c;
  line-height: 1.6;
}

footer {
  max-width: 1320px;
  margin: 0 auto;
  padding: 28px min(5vw, 72px) 42px;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.5;
}

.legal-notice {
  border-top: 1px solid var(--line);
  padding-top: 24px;
}

.legal-notice h2 {
  margin: 0 0 12px;
  color: var(--ink);
  font-size: 1rem;
}

.legal-notice p {
  margin: 8px 0;
}

@media (max-width: 980px) {
  .app-header,
  .tool-grid,
  .chart-layout,
  .notes-grid,
  .line-switcher {
    grid-template-columns: 1fr;
  }

  .status-chip {
    justify-self: start;
  }

  .metric-grid {
    grid-template-columns: repeat(2, minmax(120px, 1fr));
  }

  .detail-grid {
    grid-template-columns: 1fr;
  }

  .evidence-checklist {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .techniek-tool-bar {
    align-items: flex-start;
    flex-direction: column;
  }

  .techniek-tool-links {
    width: 100%;
  }

  .techniek-tool-links a {
    flex: 1;
    justify-content: center;
  }

  .app-header {
    min-height: 420px;
    padding-top: 42px;
  }

  main {
    padding-top: 18px;
  }

  .controls,
  .results,
  .panel {
    padding: 16px;
  }

  .control {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .control output {
    justify-self: start;
    text-align: left;
  }

  .select-row,
  .report-fields,
  .download-actions,
  .detail-grid,
  .metric-grid {
    grid-template-columns: 1fr;
  }

  .data-list div {
    grid-template-columns: 1fr;
  }

  .data-list strong {
    text-align: left;
  }

  .metric strong {
    font-size: 1.1rem;
  }

  .readiness-heading,
  .readiness-meta {
    align-items: flex-start;
    flex-direction: column;
  }

  .readiness-heading strong {
    text-align: left;
  }

  .chart-row {
    grid-template-columns: 1fr;
    gap: 8px;
    padding-bottom: 12px;
    border-bottom: 1px solid #e0e7ea;
  }

  .chart-value {
    text-align: left;
  }

  canvas {
    height: 300px;
  }
}