/* =========================================================
   ARUS ROBOTICS — SYSTEM SELECTOR
   Deterministic decision-support page. No backend or AI API.
   ========================================================= */

.selector-page {
  --page-accent: var(--acid);
  --page-secondary: var(--blue);
}

.selector-page .button.primary {
  color: var(--ink);
}

.selector-page .secondary-hero-grid {
  grid-template-columns: minmax(520px, 0.9fr) minmax(520px, 1.1fr);
}

.selector-page .secondary-visual {
  background-color: var(--paper-2);
}

.selector-map {
  position: relative;
  min-height: 520px;
  height: 100%;
}

.selector-node {
  position: absolute;
  min-width: 158px;
  min-height: 62px;
  padding: 14px;
  border: 1px solid var(--ink);
  background: var(--paper);
  display: flex;
  align-items: end;
  font-family: "Courier New", Courier, monospace;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.selector-node.source {
  top: 48%;
  left: 6%;
  background: var(--ink);
  color: var(--paper);
}

.selector-node:nth-child(2) {
  top: 13%;
  left: 32%;
}

.selector-node:nth-child(3) {
  top: 35%;
  left: 40%;
}

.selector-node:nth-child(4) {
  top: 58%;
  left: 36%;
}

.selector-node:nth-child(5) {
  top: 78%;
  left: 28%;
}

.selector-node.result {
  right: 7%;
  min-width: 132px;
  min-height: 76px;
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 0;
  font-family: Arial, Helvetica, sans-serif;
}

.selector-node.result.ar-h {
  top: 18%;
  background: var(--blue);
  color: var(--paper);
}

.selector-node.result.ar-m {
  top: 44%;
  background: var(--acid);
  color: var(--ink);
}

.selector-node.result.ar-x {
  top: 70%;
  background: var(--orange);
  color: var(--ink);
}

.selector-route {
  position: absolute;
  height: 1px;
  background: var(--ink);
  transform-origin: left center;
}

.route-one {
  left: 21%;
  top: 53%;
  width: 58%;
  transform: rotate(-26deg);
}

.route-two {
  left: 21%;
  top: 55%;
  width: 58%;
}

.route-three {
  left: 21%;
  top: 56%;
  width: 58%;
  transform: rotate(24deg);
}

.selector-form {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--ink);
  border-left: 1px solid var(--ink);
}

.selector-question {
  border: 0;
  border-right: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  min-inline-size: 0;
}

.selector-question legend {
  width: 100%;
  padding: 18px 20px;
  border-bottom: 1px solid var(--ink);
  font-family: "Courier New", Courier, monospace;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.selector-options {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.selector-options.compact {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.selector-options label {
  min-height: 92px;
  padding: 18px;
  border-right: 1px solid var(--ink);
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: flex-end;
  gap: 12px;
  font-size: 13px;
  font-weight: 700;
  line-height: 1.25;
  text-transform: uppercase;
  cursor: pointer;
  transition:
    background 0.18s ease,
    color 0.18s ease;
}

.selector-options label:nth-child(3n),
.selector-options.compact label:nth-child(2n) {
  border-right: 0;
}

.selector-options label:hover {
  background: var(--paper-2);
}

.selector-options input {
  flex: 0 0 auto;
  width: 13px;
  height: 13px;
  accent-color: var(--blue);
}

.selector-options input:checked + span {
  color: var(--blue);
}

.selector-actions {
  padding: 24px;
  border-right: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.selector-result-intro {
  display: grid;
  gap: 18px;
}

.selector-results-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid rgba(242, 240, 233, 0.22);
  border-left: 1px solid rgba(242, 240, 233, 0.22);
}

.selector-result {
  min-height: 420px;
  padding: 22px;
  border-right: 1px solid rgba(242, 240, 233, 0.22);
  border-bottom: 1px solid rgba(242, 240, 233, 0.22);
  display: flex;
  flex-direction: column;
  gap: 18px;
  background: #171816;
  transition:
    background 0.18s ease,
    color 0.18s ease,
    border-color 0.18s ease;
}

.selector-result.is-active {
  background: var(--page-accent);
  color: var(--ink);
  border-color: var(--page-accent);
}

.selector-result.is-active .micro,
.selector-result.is-active p {
  color: var(--ink);
}

.selector-result h3 {
  font-size: 28px;
  line-height: 0.96;
  text-transform: uppercase;
}

.selector-result p,
.selector-result li {
  font-size: 13px;
  line-height: 1.5;
  color: rgba(242, 240, 233, 0.68);
}

.selector-result ul {
  margin: 0;
  padding-left: 18px;
}

.selector-result .button {
  margin-top: auto;
}

.js-ready .selector-result {
  opacity: 0.46;
}

.js-ready .selector-result.is-active {
  opacity: 1;
}

.selector-form:has(input:focus-visible) {
  outline: 2px solid var(--blue);
  outline-offset: 4px;
}

@supports not selector(:has(*)) {
  .selector-options input:focus-visible {
    outline: 2px solid var(--blue);
    outline-offset: 4px;
  }
}

@media (max-width: 1280px) {
  .selector-page .secondary-hero-grid {
    grid-template-columns: 1fr;
  }

  .selector-page .secondary-hero-copy {
    min-height: 460px;
    border-right: 0;
    border-bottom: 1px solid var(--ink);
  }

  .selector-results-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .selector-options,
  .selector-options.compact,
  .selector-results-grid {
    grid-template-columns: 1fr;
  }

  .selector-result.is-active {
    order: -1;
  }

  .selector-options label,
  .selector-options label:nth-child(3n),
  .selector-options.compact label:nth-child(2n) {
    border-right: 0;
  }

  .selector-map {
    min-height: 450px;
  }

  .selector-node {
    min-width: 122px;
    min-height: 54px;
    padding: 10px;
    font-size: 8px;
  }

  .selector-node.result {
    min-width: 94px;
    font-size: 18px;
  }
}