:root {
  --harbor: #142833;
  --harbor-lift: #1b3342;
  --fog: #d2e0e6;
  --brass: #c7923e;
  --lagoon: #3aa6b4;
  --ember: #d4654a;
  --rule: #2c4a58;
  --mute: #8aa0aa;
  --bone: #f3eee4;
  --ink: #0f1c24;
  --display: "Big Shoulders Display", "Arial Narrow", sans-serif;
  --serif: "Source Serif 4", Georgia, serif;
  --mono: "Spline Sans Mono", ui-monospace, monospace;
  --gap: clamp(1.25rem, 3vw, 2.5rem);
  --page: min(72rem, calc(100% - 2rem));
}

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

html {
  background: var(--harbor);
  color: var(--fog);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--serif);
  font-optical-sizing: auto;
  font-size: 1.0625rem;
  line-height: 1.55;
  background:
    radial-gradient(1200px 480px at 8% -10%, #1e3d4c 0%, transparent 58%),
    linear-gradient(180deg, #101f28 0%, var(--harbor) 18%);
}

img,
canvas {
  max-width: 100%;
}

button,
input,
textarea {
  font: inherit;
  color: inherit;
}

a {
  color: var(--lagoon);
}

a:hover {
  color: var(--bone);
}

:focus-visible {
  outline: 2px solid var(--brass);
  outline-offset: 3px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip {
  position: absolute;
  left: 1rem;
  top: 0;
  z-index: 20;
  transform: translateY(-140%);
  background: var(--brass);
  color: var(--ink);
  padding: 0.45rem 0.8rem;
  text-decoration: none;
  font-family: var(--mono);
  font-size: 0.8rem;
}

.skip:focus {
  transform: none;
}

.status {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1.25rem;
  width: var(--page);
  margin: 0 auto;
  padding: 0.9rem 0 0.7rem;
  border-bottom: 1px solid var(--rule);
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.02em;
  color: var(--mute);
}

.status__pulse {
  width: 0.55rem;
  height: 0.55rem;
  margin: 0;
  background: var(--brass);
  animation: pulse 2.8s ease-in-out infinite;
}

.status__line {
  margin: 0;
  flex: 1 1 16rem;
  color: var(--fog);
}

.status__hint {
  margin: 0;
}

.hero,
.doors,
.signals,
.split,
.chamber,
.colophon {
  width: var(--page);
  margin-left: auto;
  margin-right: auto;
}

.hero {
  padding: var(--gap) 0 0.5rem;
}

.hero__place {
  margin: 0 0 0.35rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--lagoon);
}

.hero h1 {
  margin: 0;
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(3rem, 11vw, 7.5rem);
  line-height: 0.86;
  letter-spacing: -0.03em;
  color: var(--bone);
  text-transform: uppercase;
}

.hero__greet {
  max-width: 38rem;
  margin: 1.35rem 0 0.55rem;
  font-size: clamp(1.2rem, 2.4vw, 1.65rem);
  line-height: 1.35;
}

.hero__why {
  max-width: 36rem;
  margin: 0;
  color: var(--mute);
}

.doors {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin-top: 2rem;
  border-top: 1px solid var(--rule);
}

.door {
  display: grid;
  gap: 0.25rem;
  width: 100%;
  margin: 0;
  padding: 1.1rem 0 1.2rem;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--rule);
  text-align: left;
  cursor: pointer;
}

.door__name {
  font-family: var(--display);
  font-size: clamp(2.6rem, 8vw, 5.2rem);
  font-weight: 700;
  line-height: 0.9;
  letter-spacing: -0.03em;
  text-transform: uppercase;
  color: var(--fog);
}

.door__blurb {
  font-size: 0.98rem;
  color: var(--mute);
}

.door:hover .door__name,
.door:focus-visible .door__name,
.door[aria-pressed="true"] .door__name {
  color: var(--brass);
}

.door[data-door="watch"]:hover .door__name,
.door[data-door="watch"]:focus-visible .door__name,
.door[data-door="watch"][aria-pressed="true"] .door__name {
  color: var(--lagoon);
}

.door[data-door="use"]:hover .door__name,
.door[data-door="use"]:focus-visible .door__name,
.door[data-door="use"][aria-pressed="true"] .door__name {
  color: var(--ember);
}

.signals {
  padding: 1.6rem 0 0.4rem;
}

.signals__title,
.desk h2,
.organism h2,
.chamber h2,
.panel h3,
.watch-card h4,
.log-title {
  margin: 0 0 0.4rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--brass);
}

.signals__note,
.desk__lede,
.chamber__lede,
.panel__head p {
  margin: 0 0 0.85rem;
  color: var(--mute);
  max-width: 40rem;
}

.signals__now {
  margin: 0;
  padding: 0.85rem 0 0;
  border-top: 1px solid var(--rule);
  font-family: var(--mono);
  font-size: 0.92rem;
  color: var(--fog);
}

.split {
  display: grid;
  gap: 1.5rem;
  padding: 1.8rem 0 0.5rem;
}

.desk,
.organism,
.panel,
.watch-card {
  background: var(--harbor-lift);
  border: 1px solid var(--rule);
  padding: 1.1rem 1.1rem 1.2rem;
}

.desk__form,
.use-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

#desk-input,
#use-input {
  flex: 1 1 14rem;
  min-width: 0;
  background: var(--ink);
  border: 1px solid var(--rule);
  padding: 0.7rem 0.8rem;
  font-family: var(--mono);
  font-size: 0.92rem;
}

#use-input {
  width: 100%;
  resize: vertical;
}

button[type="submit"],
#use-clear {
  background: var(--brass);
  color: var(--ink);
  border: 0;
  padding: 0.7rem 1rem;
  font-family: var(--mono);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
}

#use-clear {
  background: transparent;
  color: var(--fog);
  border: 1px solid var(--rule);
}

.desk__error,
.watch-error,
.use-error {
  margin: 0.7rem 0 0;
  color: var(--ember);
  font-family: var(--mono);
  font-size: 0.85rem;
}

.desk__reply {
  margin-top: 0.9rem;
  min-height: 4.5rem;
}

.desk__reply .empty,
.field-empty,
.use-empty {
  margin: 0;
  color: var(--mute);
}

.desk__reply p,
.organism__voice,
.organism__curious {
  margin: 0 0 0.55rem;
}

kbd {
  font-family: var(--mono);
  font-size: 0.82em;
  border: 1px solid var(--rule);
  padding: 0.05rem 0.28rem;
}

.organism__facts,
.use-facts {
  display: grid;
  gap: 0.55rem 1rem;
  margin: 0 0 1rem;
}

.organism__facts div,
.use-facts div {
  display: grid;
  grid-template-columns: 6.5rem 1fr;
  gap: 0.6rem;
}

dt {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--mute);
}

dd {
  margin: 0;
}

.organism__curious {
  color: var(--lagoon);
}

.chamber {
  padding: 1.4rem 0 2.5rem;
}

.panel[hidden],
[hidden] {
  display: none !important;
}

.panel__head {
  margin-bottom: 0.8rem;
}

.field-wrap {
  position: relative;
  background: var(--ink);
  border: 1px solid var(--rule);
}

#field {
  display: block;
  width: 100%;
  height: auto;
  cursor: crosshair;
}

.field-empty {
  position: absolute;
  inset: auto 1rem 1rem;
  pointer-events: none;
}

.panel__meter {
  margin: 0.7rem 0 0;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--mute);
}

.watch-grid {
  display: grid;
  gap: 0.8rem;
}

.watch-body {
  margin: 0;
}

.watch-body a {
  display: inline;
}

.log-title {
  margin-top: 1.1rem;
}

.log {
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--mono);
  font-size: 0.82rem;
}

.log li {
  padding: 0.45rem 0;
  border-bottom: 1px solid var(--rule);
  color: var(--fog);
}

.log:empty::after {
  content: "The log is waiting for a tick.";
  color: var(--mute);
}

.use-form {
  display: grid;
  gap: 0.7rem;
}

.swatch-row {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin: 1rem 0;
}

.swatch {
  width: 2.4rem;
  height: 2.4rem;
  border: 1px solid var(--bone);
}

.mono {
  font-family: var(--mono);
  font-size: 0.86rem;
}

.wrap {
  overflow-wrap: anywhere;
}

.colophon {
  padding: 0 0 2.5rem;
  color: var(--mute);
  font-size: 0.92rem;
}

.colophon p {
  margin: 0 0 0.4rem;
  max-width: 42rem;
}

.noscript {
  width: var(--page);
  margin: 0 auto 2rem;
  color: var(--ember);
}

@media (min-width: 760px) {
  .doors {
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    border-bottom: 1px solid var(--rule);
  }

  .door {
    padding: 1.4rem 1rem 1.5rem 0;
    border-bottom: 0;
    border-right: 1px solid var(--rule);
  }

  .door:last-child {
    border-right: 0;
    padding-right: 0;
  }

  .split {
    grid-template-columns: 1.4fr 0.9fr;
    align-items: start;
  }

  .watch-grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .status__pulse {
    animation: none;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.25;
  }
}