/* Existence — cool unruled dusk: indoor grey-green paper, five on the floor, a clock-field without numerals.
   Unique to this essay. Do not reuse as a house skin. */

:root {
  --dusk: #1e2a26;
  --dusk-lamp: #2a3830;
  --paper: #dfe6d8;
  --paper-edge: #c5cebc;
  --ink: #1a2218;
  --ink-muted: #5a6558;
  --lamp: #c4a06a;
  --lamp-soft: rgba(196, 160, 106, 0.28);
  --rule: #b7c0ae;
  --focus: #3e6d58;
  --tyre: #2c342c;
}

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

html {
  background: var(--dusk);
  color: var(--ink);
}

body {
  margin: 0;
  min-height: 100%;
  font-family: Alegreya, "Iowan Old Style", Palatino, "Palatino Linotype", serif;
  font-size: clamp(1.05rem, 0.98rem + 0.35vw, 1.22rem);
  line-height: 1.6;
  background:
    radial-gradient(90% 50% at 18% 0%, var(--dusk-lamp), transparent 58%),
    var(--dusk);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: radial-gradient(70% 40% at 80% 100%, #15201c, transparent 62%);
  opacity: 0.85;
  animation: dusk-shift linear both;
  animation-timeline: scroll(root);
}

@keyframes dusk-shift {
  from { opacity: 0.55; }
  to { opacity: 1; }
}

body:has(#leave-hour:checked) {
  --lamp-soft: rgba(196, 160, 106, 0.08);
}

.skip-link {
  position: absolute;
  left: 0.8rem;
  top: -3rem;
  z-index: 8;
  padding: 0.4rem 0.7rem;
  background: var(--paper);
  color: var(--ink);
  font-family: Manrope, system-ui, sans-serif;
  font-size: 0.85rem;
}

.skip-link:focus {
  top: 0.8rem;
}

.site-top,
.ground,
.article-foot {
  position: relative;
  z-index: 1;
}

.site-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 1.2rem 0;
  max-width: 42rem;
  margin-inline: auto;
  font-family: Manrope, system-ui, sans-serif;
  font-size: 0.82rem;
  font-weight: 600;
}

body:has(.still-life) .site-top {
  max-width: 58rem;
}

.home-link,
.language-nav a {
  color: #cdd6c8;
  text-decoration: none;
}

.home-link:hover,
.language-nav a:hover,
.language-nav a[aria-current="page"] {
  color: var(--lamp);
}

.language-nav {
  display: flex;
  gap: 0.75rem;
  overflow-x: auto;
}

.ground {
  display: grid;
  grid-template-columns: minmax(0, 42rem);
  gap: clamp(1.2rem, 3vw, 2.4rem);
  align-items: start;
  justify-content: center;
  max-width: 42rem;
  margin: 1.2rem auto 4rem;
  padding-inline: 1.2rem;
}

.ground:has(.still-life) {
  grid-template-columns: minmax(8.5rem, 11.5rem) minmax(0, 42rem);
  max-width: 58rem;
}

.still-life {
  position: sticky;
  top: 1rem;
  display: grid;
  gap: 0.85rem;
  justify-items: start;
}

.clock-field {
  width: 100%;
  min-height: 4.6rem;
  border: 1px solid color-mix(in srgb, var(--paper) 28%, transparent);
  background:
    repeating-linear-gradient(
      to bottom,
      transparent 0 0.7rem,
      color-mix(in srgb, var(--rule) 35%, transparent) 0.7rem 0.76rem
    ),
    linear-gradient(180deg, color-mix(in srgb, var(--paper) 18%, transparent), transparent 70%);
  cursor: crosshair;
  outline: none;
  position: relative;
  overflow: hidden;
}

.clock-wash {
  position: absolute;
  inset: -20% 35% auto -10%;
  height: 140%;
  background: radial-gradient(circle at 40% 40%, var(--lamp-soft), transparent 62%);
  opacity: 0.55;
  transition: transform 1.4s ease, opacity 0.6s ease;
}

.clock-field:hover .clock-wash,
.clock-field:focus-visible .clock-wash {
  transform: translateX(28%);
  opacity: 1;
}

body:has(#leave-hour:checked) .clock-field {
  background: color-mix(in srgb, var(--dusk) 70%, var(--paper) 8%);
}

body:has(#leave-hour:checked) .clock-wash {
  opacity: 0;
}

.floor-five {
  appearance: none;
  border: 0;
  padding: 0;
  width: 6.4rem;
  height: 2.5rem;
  background: transparent;
  cursor: grab;
  position: relative;
}

.floor-five span {
  position: absolute;
  width: 0.72rem;
  height: 0.72rem;
  border-radius: 50%;
  background: var(--tyre);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--lamp) 40%, transparent);
  transition: transform 0.35s ease;
}

.floor-five span:nth-child(1) { left: 0.15rem; top: 1.15rem; }
.floor-five span:nth-child(2) { left: 1.35rem; top: 0.35rem; }
.floor-five span:nth-child(3) { left: 2.7rem; top: 1.35rem; }
.floor-five span:nth-child(4) { left: 4.05rem; top: 0.55rem; }
.floor-five span:nth-child(5) { left: 5.35rem; top: 1.2rem; }

.floor-five:active {
  cursor: grabbing;
}

.floor-five:active span:nth-child(1) { transform: translate(0.15rem, -0.25rem); }
.floor-five:active span:nth-child(2) { transform: translate(-0.1rem, 0.2rem); }
.floor-five:active span:nth-child(3) { transform: translate(0.12rem, -0.18rem); }
.floor-five:active span:nth-child(4) { transform: translate(-0.16rem, 0.12rem); }
.floor-five:active span:nth-child(5) { transform: translate(0.08rem, -0.22rem); }

.leave-hour,
.drawer summary {
  font-family: Manrope, system-ui, sans-serif;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: lowercase;
  color: #c5d0c4;
  border: 1px solid color-mix(in srgb, #c5d0c4 35%, transparent);
  padding: 0.22rem 0.45rem;
  cursor: pointer;
}

.leave-hour:focus-within,
.drawer summary:focus-visible,
.clock-field:focus-visible,
.floor-five:focus-visible,
.paper a:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}

.leave-hour:has(#leave-hour:checked) {
  color: var(--dusk);
  background: var(--lamp);
  border-color: var(--lamp);
}

.leave-hour {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.leave-hour input {
  appearance: none;
  width: 0.7rem;
  height: 0.7rem;
  border: 1px solid #c5d0c4;
  background: transparent;
}

#leave-hour:checked {
  background: var(--lamp);
  border-color: var(--lamp);
}

.drawer {
  width: 100%;
}

.drawer summary {
  list-style: none;
  display: inline-block;
}

.drawer summary::-webkit-details-marker { display: none; }

.tray {
  margin-top: 0.4rem;
  height: 2.4rem;
  background: linear-gradient(180deg, #141c18, #0e1412);
  border: 1px solid #2a3530;
  box-shadow: inset 0 8px 12px rgba(0, 0, 0, 0.35);
}

body:has(#leave-hour:checked) .drawer {
  opacity: 0.38;
}

.paper {
  min-width: 0;
  background:
    radial-gradient(90% 40% at 12% 0%, var(--lamp-soft), transparent 55%),
    var(--paper);
  color: var(--ink);
  padding: clamp(1.4rem, 3vw, 2.3rem) clamp(1.2rem, 3vw, 2.1rem) 2.4rem;
  box-shadow:
    0 0 0 1px var(--paper-edge),
    18px 22px 40px rgba(8, 12, 10, 0.28);
}

.place-line {
  margin: 0 0 0.8rem;
  font-family: Manrope, system-ui, sans-serif;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: lowercase;
  color: var(--ink-muted);
}

.paper h1 {
  margin: 0 0 0.5rem;
  font-size: clamp(2.1rem, 1.6rem + 2vw, 3.1rem);
  font-weight: 600;
  line-height: 1.08;
  text-wrap: balance;
  letter-spacing: -0.02em;
}

.paper .title-echo {
  margin: 0 0 1.4rem;
  font-family: Manrope, system-ui, sans-serif;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.11em;
  color: var(--ink-muted);
}

.paper p {
  margin: 0 0 1.15rem;
  text-align: justify;
  hyphens: auto;
  text-wrap: pretty;
}

.paper a {
  color: var(--focus);
}

.sources {
  margin-top: 2.4rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--rule);
}

.sources h2 {
  margin: 0 0 0.8rem;
  font-family: Manrope, system-ui, sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: lowercase;
  color: var(--ink-muted);
}

.sources ol {
  margin: 0;
  padding-left: 1.2rem;
  font-size: 0.92rem;
  color: var(--ink-muted);
}

.sources li { margin-bottom: 0.45rem; }

.sources a { overflow-wrap: anywhere; }

.article-foot {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1.6rem;
  font-family: Manrope, system-ui, sans-serif;
  font-size: 0.75rem;
  color: var(--ink-muted);
}

.article-foot a { color: inherit; }

@media (max-width: 46rem) {
  .ground,
  .ground:has(.still-life) {
    grid-template-columns: 1fr;
    max-width: 42rem;
  }

  body:has(.still-life) .site-top {
    max-width: 42rem;
  }

  .still-life {
    position: static;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
  }

  .clock-field { grid-column: 1 / -1; }

  .leave-hour,
  .drawer { grid-column: 1 / -1; }
}

@media (prefers-reduced-motion: reduce) {
  body::before,
  .clock-wash,
  .floor-five span {
    animation: none !important;
    transition: none !important;
  }

  .floor-five:active span {
    transform: none;
  }
}

@media (prefers-contrast: more) {
  :root {
    --ink: #0c100c;
    --paper: #f2f6ec;
    --dusk: #101614;
    --focus: #1a4d38;
  }
}

.language-nav,
.language-nav a,
.language-link {
  text-transform: none;
  letter-spacing: 0.03em;
  font-variant: normal;
}
.language-nav a[lang="zgh"],
.language-link[lang="zgh"] {
  font-family: "Noto Sans Tifinagh", sans-serif;
}