@import url("https://fonts.googleapis.com/css2?family=DotGothic16&display=swap");

:root {
  --ds-white: #ffffff;
  --ds-bg-base: #ececec;
  --ds-bg-scan: #e4e4e4;
  --ds-bg-line: #c8c8c8;
  --ds-bg-dot: #ababab;
  --ds-bg-cell: 24px;
  --ds-border: #000000;
  --ds-border-soft: #9a9a9a;
  --ds-grad-top: #fafafa;
  --ds-grad-bottom: #c8c8c8;
  --ds-bar-top: #5a7a9a;
  --ds-bar-top-dark: #3d5a78;
  --ds-select: #6a9cc8;
  --ds-sun: #e85a5a;
  --ds-sat: #5a7ae8;
  --ds-text: #1a1a1a;
  --ds-shadow: #808080;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "DotGothic16", "Courier New", monospace;
  font-size: 14px;
  color: var(--ds-text);
}

.site-wrap {
  max-width: 520px;
  margin: 0 auto;
  padding: 0 0 2rem;
}

.ds-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin: 1rem 0 0;
  padding: 8px 10px;
  border: 2px solid var(--ds-border);
  background: linear-gradient(180deg, var(--ds-grad-top) 0%, var(--ds-grad-bottom) 100%);
  box-shadow:
    4px 4px 0 var(--ds-shadow),
    inset 1px 1px 0 var(--ds-white),
    inset -1px -1px 0 #a8a8a8;
  position: sticky;
  top: 0;
  z-index: 100;
}

.ds-nav-brand {
  margin-right: auto;
  padding: 4px 8px;
  font-size: 15px;
  color: var(--ds-text);
  text-decoration: none;
  border: 2px solid var(--ds-border);
  background: var(--ds-white);
  box-shadow:
    inset 1px 1px 0 var(--ds-white),
    inset -1px -1px 0 #a8a8a8;
}

.ds-nav-link {
  padding: 4px 10px;
  font-size: 13px;
  color: var(--ds-text);
  text-decoration: none;
  border: 2px solid var(--ds-border);
  background: linear-gradient(180deg, var(--ds-grad-top) 0%, var(--ds-grad-bottom) 100%);
  box-shadow:
    inset 1px 1px 0 var(--ds-white),
    inset -1px -1px 0 #a8a8a8;
}

.ds-nav-link:hover,
.ds-nav-brand:hover {
  background: var(--ds-white);
}

.ds-nav-link:focus-visible,
.ds-nav-brand:focus-visible {
  outline: 2px solid var(--ds-select);
  outline-offset: 2px;
}

[id].ds-screen {
  scroll-margin-top: 4.5rem;
}

/* Scanlines + grid lines + dots at intersections (DS touch screen) */
.ds-bg {
  background-color: var(--ds-bg-base);
  background-image:
    radial-gradient(circle at 0 0, var(--ds-bg-dot) 1.5px, transparent 1.5px),
    linear-gradient(to right, var(--ds-bg-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--ds-bg-line) 1px, transparent 1px),
    repeating-linear-gradient(
      to bottom,
      var(--ds-bg-base) 0,
      var(--ds-bg-base) 1px,
      var(--ds-bg-scan) 1px,
      var(--ds-bg-scan) 2px
    );
  background-size:
    var(--ds-bg-cell) var(--ds-bg-cell),
    var(--ds-bg-cell) var(--ds-bg-cell),
    var(--ds-bg-cell) var(--ds-bg-cell),
    100% 2px;
}

.ds-device {
  margin-top: 0.75rem;
  border: 3px solid var(--ds-border);
  background: var(--ds-white);
  box-shadow:
    4px 4px 0 var(--ds-shadow),
    inset 0 0 0 1px var(--ds-white);
}

.ds-status-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 6px 10px;
  background: linear-gradient(180deg, var(--ds-bar-top) 0%, var(--ds-bar-top-dark) 100%);
  color: var(--ds-white);
  font-size: 13px;
  border-bottom: 2px solid var(--ds-border);
  text-shadow: 1px 1px 0 #2a4060;
}

.ds-status-icons {
  display: flex;
  gap: 6px;
  font-size: 11px;
  letter-spacing: 1px;
}

.ds-screen {
  padding: 10px;
  border-bottom: 2px solid var(--ds-border);
}

.ds-screen:last-of-type {
  border-bottom: none;
}

.ds-screen-label {
  margin: 0 0 8px;
  font-size: 11px;
  color: var(--ds-border-soft);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.ds-panel {
  position: relative;
  border: 2px solid var(--ds-border);
  background: linear-gradient(180deg, var(--ds-grad-top) 0%, var(--ds-grad-bottom) 100%);
  box-shadow:
    inset 1px 1px 0 var(--ds-white),
    inset -1px -1px 0 #a8a8a8;
}

.ds-panel--inset {
  background: var(--ds-white);
  box-shadow:
    inset 1px 1px 0 #a8a8a8,
    inset -1px -1px 0 var(--ds-white);
}

.ds-header {
  display: grid;
  grid-template-columns: 72px 1fr 72px;
  align-items: center;
  gap: 8px;
  padding: 10px;
  text-align: center;
}

.ds-header img {
  max-height: 64px;
  width: auto;
  margin: 0 auto;
  image-rendering: pixelated;
}

.ds-title {
  margin: 0;
  font-size: clamp(1.1rem, 4.5vw, 1.5rem);
  font-weight: normal;
  line-height: 1.3;
  letter-spacing: 0.02em;
}

.ds-block {
  position: relative;
  display: flex;
  align-items: stretch;
  min-height: 48px;
  margin-bottom: 8px;
  border: 2px solid var(--ds-border);
  background: linear-gradient(180deg, var(--ds-grad-top) 0%, var(--ds-grad-bottom) 100%);
  box-shadow:
    inset 1px 1px 0 var(--ds-white),
    inset -1px -1px 0 #a8a8a8;
  text-align: left;
}

.ds-block:last-child {
  margin-bottom: 0;
}

.ds-block--selected {
  z-index: 1;
}

.ds-block--selected .ds-block-label {
  font-weight: bold;
}

.ds-bracket {
  position: absolute;
  width: 10px;
  height: 10px;
  border: 2px solid var(--ds-select);
  pointer-events: none;
}

.ds-bracket--tl { top: 3px; left: 3px; border-right: none; border-bottom: none; }
.ds-bracket--tr { top: 3px; right: 3px; border-left: none; border-bottom: none; }
.ds-bracket--bl { bottom: 3px; left: 3px; border-right: none; border-top: none; }
.ds-bracket--br { bottom: 3px; right: 3px; border-left: none; border-top: none; }

.ds-block-icon {
  flex: 0 0 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-right: 2px solid var(--ds-border);
  background: var(--ds-white);
  padding: 6px;
  font-size: 28px;
  line-height: 1;
}

.ds-block-icon img,
.ds-block-icon-img {
  max-width: 44px;
  max-height: 44px;
  object-fit: contain;
  image-rendering: pixelated;
}

.ds-block-icon-img {
  width: 32px;
  height: 32px;
}

.ds-block-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 8px 10px;
  min-width: 0;
}

.ds-block-label {
  margin: 0;
  font-size: 15px;
}

.ds-block-sub {
  margin: 4px 0 0;
  font-size: 11px;
  color: #555;
}

.ds-block--tall .ds-block-body {
  padding: 0;
}

.ds-block--tall iframe {
  display: block;
  width: 100%;
  height: 280px;
  border: 0;
  background: var(--ds-white);
}

.drive-panel {
  padding: 10px;
}

.drive-hint {
  margin: 0 0 8px;
  font-size: 13px;
  text-align: center;
}

.drive-arena {
  position: relative;
  height: min(42vh, 320px);
  min-height: 200px;
  overflow: hidden;
  border: 2px solid var(--ds-border);
  box-shadow:
    inset 2px 2px 0 #a8a8a8,
    inset -2px -2px 0 var(--ds-white);
  outline: none;
}

.drive-arena:focus-visible {
  box-shadow:
    inset 2px 2px 0 #a8a8a8,
    inset -2px -2px 0 var(--ds-white),
    0 0 0 2px var(--ds-select);
}

#car {
  position: absolute;
  top: 0;
  left: 0;
  width: 96px;
  height: 96px;
  background-image: url("/car.png");
  background-repeat: no-repeat;
  image-rendering: pixelated;
  pointer-events: none;
}

.not-found {
  max-width: 520px;
  margin: 2rem auto;
  padding: 1.5rem;
  border: 2px solid var(--ds-border);
  background: linear-gradient(180deg, var(--ds-grad-top) 0%, var(--ds-grad-bottom) 100%);
  text-align: center;
}

.not-found a {
  color: var(--ds-bar-top-dark);
}

@media (max-width: 480px) {
  .site-wrap {
    padding: 0;
  }

  .ds-nav {
    margin: 0;
    border-left: none;
    border-right: none;
    border-top: none;
  }

  .ds-device {
    border-left: none;
    border-right: none;
  }

  .ds-header {
    grid-template-columns: 56px 1fr 56px;
  }
}