/* astrakey.net — Obsidian Mirror lineage (F:\AKWEB\apps\web\src\index.css)
   softened for long-form letters. Mobile-first. No external requests. */

:root {
  --obsidian: #0B0B0C;
  --tungsten: #1A1A1A;
  --gold: #C8A96A;
  --cream: #F2EFEA;
  --grey: rgba(242, 239, 234, 0.65);
  --muted: rgba(242, 239, 234, 0.45);
  --shadow-recessed-depth: inset 0 2px 4px rgba(0,0,0,0.55);
  --shadow-recessed-lip: inset 0 1px 0 rgba(255,255,255,0.04);
  --space-xs: 8px; --space-s: 16px; --space-m: 24px;
  --space-l: 32px; --space-xl: 48px; --space-xxl: 64px;
  --ease-hearth: cubic-bezier(0.22, 1, 0.36, 1);
  --duration-standard: 400ms;
  --serif: 'EB Garamond', Georgia, 'Times New Roman', serif;
  --mono: 'IBM Plex Mono', Consolas, 'Courier New', monospace;
  --text-scale: 1;
  --page-bg: var(--obsidian);
  --page-fg: var(--cream);
}

@font-face {
  font-family: 'EB Garamond';
  src: url('/fonts/EBGaramond-Regular.woff2') format('woff2');
  font-display: swap;
}
@font-face {
  font-family: 'EB Garamond';
  src: url('/fonts/EBGaramond-Italic.woff2') format('woff2');
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: 'IBM Plex Mono';
  src: url('/fonts/IBMPlexMono-Regular.woff2') format('woff2');
  font-display: swap;
}
@font-face {
  font-family: 'Atkinson Hyperlegible';
  src: url('/fonts/AtkinsonHyperlegible-Regular.woff2') format('woff2');
  font-display: swap;
}

.pref-warm { --page-bg: #14100B; --page-fg: #EFE6D5; }
.pref-contrast { --page-fg: #FFFFFF; --grey: rgba(255,255,255,0.85); --muted: rgba(255,255,255,0.7); }
.pref-dyslexia body, .pref-dyslexia .letter-body, .pref-dyslexia textarea {
  font-family: 'Atkinson Hyperlegible', Verdana, sans-serif;
}
.pref-spacing body { letter-spacing: 0.04em; word-spacing: 0.12em; line-height: 1.9; }
.pref-still *, .pref-still *::before, .pref-still *::after {
  animation: none !important;
  transition: none !important;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { font-size: calc(100% * var(--text-scale)); }
body {
  margin: 0;
  background: var(--page-bg);
  color: var(--page-fg);
  font-family: var(--serif);
  font-size: 1.125rem;
  line-height: 1.7;
  text-align: left;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}
main { flex: 1; width: 100%; max-width: 42rem; margin: 0 auto; padding: var(--space-m); }
h1, h2, h3 { font-weight: 500; line-height: 1.25; }
h1 { font-size: 1.9rem; }
h2 { font-size: 1.4rem; margin-top: var(--space-xl); }
.step-title { font-size: 1.9rem; margin-top: 0; }
a { color: var(--gold); text-underline-offset: 3px; }
p { max-width: 65ch; }
button { min-height: 48px; min-width: 48px; cursor: pointer; }

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

.grain-overlay {
  position: fixed; inset: 0; pointer-events: none; opacity: 0.02; z-index: 1;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9'/%3E%3C/filter%3E%3Crect width='120' height='120' filter='url(%23n)'/%3E%3C/svg%3E");
}

.visually-hidden {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip-path: inset(50%); white-space: nowrap;
}
.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 100;
  background: var(--gold); color: var(--obsidian);
  padding: var(--space-s); font-family: var(--mono);
}
.skip-link:focus { left: 0; }

.site-nav {
  display: flex; flex-wrap: wrap; gap: var(--space-xs);
  align-items: center; justify-content: space-between;
  padding: var(--space-s) var(--space-m);
  border-bottom: 1px solid rgba(200, 169, 106, 0.25);
  font-family: var(--mono); font-size: 0.85rem;
}
.site-nav .brand { color: var(--gold); text-decoration: none; letter-spacing: 0.2em; text-transform: uppercase; }
.site-nav ul { display: flex; flex-wrap: wrap; gap: var(--space-s); list-style: none; margin: 0; padding: 0; }
.site-nav a { color: var(--grey); text-decoration: none; padding: var(--space-xs); display: inline-block; }
.site-nav a[aria-current="page"] { color: var(--gold); }
.nav-write {
  background: var(--gold); color: var(--obsidian) !important;
  border-radius: 2px; font-weight: 700; padding: var(--space-xs) var(--space-s) !important;
}

footer {
  border-top: 1px solid rgba(200, 169, 106, 0.25);
  padding: var(--space-m);
  font-family: var(--mono); font-size: 0.8rem; color: var(--muted);
  display: flex; flex-wrap: wrap; gap: var(--space-s); justify-content: space-between;
}
footer nav { display: flex; flex-wrap: wrap; gap: var(--space-s); }

textarea, select, input {
  width: 100%;
  background: var(--tungsten);
  color: var(--page-fg);
  border: 1px solid rgba(200, 169, 106, 0.3);
  box-shadow: var(--shadow-recessed-depth), var(--shadow-recessed-lip);
  padding: var(--space-s);
  font-family: inherit; font-size: 1rem; line-height: 1.7;
  border-radius: 2px;
}
textarea:focus, select:focus, input:focus { border-color: var(--gold); outline: none; }
textarea#letter { min-height: 45dvh; resize: vertical; }

.button-primary {
  background: var(--gold); color: var(--obsidian);
  border: none; border-radius: 2px;
  font-family: var(--mono); font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.15em; font-size: 0.9rem;
  padding: var(--space-s) var(--space-l);
  width: 100%;
  transition: background var(--duration-standard) var(--ease-hearth);
}
.button-primary:disabled { background: var(--tungsten); color: var(--muted); cursor: wait; }
.button-quiet {
  background: transparent; color: var(--grey);
  border: 1px solid rgba(242, 239, 234, 0.25); border-radius: 2px;
  font-family: var(--mono); font-size: 0.85rem;
  padding: var(--space-xs) var(--space-s);
}

.candles { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-xs); margin: var(--space-s) 0; }
.candle {
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  background: var(--tungsten); color: var(--grey);
  border: 1px solid rgba(200, 169, 106, 0.3); border-radius: 2px;
  padding: var(--space-s); font-family: var(--mono); font-size: 0.8rem;
}
.candle[aria-pressed="true"] { border-color: var(--gold); color: var(--gold); }
.candle-glyph { font-size: 1.3rem; }

.count-line { font-family: var(--mono); font-size: 0.75rem; color: var(--muted); text-align: right; }

.cooling-mirror {
  background: var(--tungsten); border-left: 2px solid var(--gold);
  padding: var(--space-m); font-style: italic; white-space: pre-wrap;
  box-shadow: var(--shadow-recessed-depth), var(--shadow-recessed-lip);
  max-height: 40dvh; overflow-y: auto;
}
.cooling-bar {
  height: 4px; background: var(--tungsten); margin: var(--space-m) 0; border-radius: 2px; overflow: hidden;
}
.cooling-bar::after {
  content: ''; display: block; height: 100%;
  width: calc(var(--cooling, 0) * 100%);
  background: var(--gold);
  transition: width 250ms linear;
}

.drift-opt {
  display: flex; gap: var(--space-s); align-items: flex-start;
  font-size: 0.9rem; color: var(--grey); margin: var(--space-m) 0;
}
.drift-opt input { width: auto; min-height: 24px; margin-top: 4px; }

.keeper-line { opacity: 0.55; transition: opacity var(--duration-standard) var(--ease-hearth); }
.keeper-line:hover, .keeper-line:focus-within { opacity: 1; }
.keeper-saying { font-style: italic; margin: 0 0 var(--space-xs); }
.keeper-line cite { font-family: var(--mono); font-size: 0.75rem; color: var(--muted); font-style: normal; }

.burn-overlay {
  position: fixed; inset: 0; z-index: 50;
  display: flex; align-items: center; justify-content: center;
  pointer-events: none;
}
.burn-flash { background: var(--cream); }
.burn-combustion { background: radial-gradient(ellipse at bottom, rgba(200,169,106,0.25), var(--obsidian) 70%); }
.burn-ash { background: var(--obsidian); }
.burn-ash .ember { filter: grayscale(1); opacity: 0.4; }
.burn-black, .burn-still { background: #000; }
.burn-line { font-family: var(--mono); color: var(--grey); letter-spacing: 0.15em; text-align: center; padding: var(--space-m); }
.burn-still .burn-line { animation: fade-in 1200ms var(--ease-hearth); }
.ember {
  position: absolute; bottom: 8%;
  width: 3px; height: 3px; border-radius: 50%;
  background: var(--gold);
  animation: ember-rise 2.2s var(--ease-hearth) forwards;
}
@keyframes ember-rise {
  to { transform: translate(var(--drift, 0px), -70dvh); opacity: 0; }
}
@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }

.sky-stage { position: relative; min-height: 55dvh; }
#stars { width: 100%; height: 55dvh; display: block; }
.letter-card {
  background: var(--tungsten); border: 1px solid rgba(200,169,106,0.2);
  border-radius: 2px; padding: var(--space-s); margin-bottom: var(--space-s);
  display: flex; gap: var(--space-s); align-items: center; justify-content: space-between;
}
.letter-card p { margin: 0; font-style: italic; }
.letter-card button { flex-shrink: 0; }

.lightbox {
  position: fixed; inset: 0; z-index: 40;
  background: rgba(11, 11, 12, 0.92);
  display: flex; align-items: center; justify-content: center;
  padding: var(--space-m);
}
.lightbox-inner {
  background: var(--tungsten); border: 1px solid rgba(200,169,106,0.4);
  max-width: 40rem; width: 100%; max-height: 85dvh; overflow-y: auto;
  padding: var(--space-l); border-radius: 2px;
  box-shadow: 0 0 40px rgba(200,169,106,0.08);
}
.lightbox-text { white-space: pre-wrap; font-style: italic; }
.lightbox-meta { font-family: var(--mono); font-size: 0.75rem; color: var(--muted); }
.lightbox-actions { display: flex; flex-wrap: wrap; gap: var(--space-xs); margin-top: var(--space-m); }

.status-line, .presence-line { font-family: var(--mono); font-size: 0.8rem; color: var(--muted); }

.hearth { margin-top: var(--space-xxl); border-top: 1px solid rgba(200,169,106,0.2); padding-top: var(--space-m); }
.hearth summary { cursor: pointer; font-family: var(--mono); font-size: 0.9rem; color: var(--gold); padding: var(--space-s) 0; }
.q { font-style: italic; color: var(--grey); }

.vault-entry {
  display: block; width: 100%; text-align: left;
  background: var(--tungsten); color: var(--cream);
  border: 1px solid rgba(200,169,106,0.3); border-radius: 2px;
  padding: var(--space-s) var(--space-m); margin-bottom: var(--space-s);
  font-family: var(--serif); font-size: 1.05rem;
}
.vault-empty { color: var(--muted); font-style: italic; }

.lifeline-card {
  background: var(--tungsten); border-left: 2px solid var(--gold);
  padding: var(--space-s) var(--space-m); margin: var(--space-s) 0;
}
.lifeline-contact { font-family: var(--mono); font-size: 1.1rem; color: var(--gold); }

.comfort-panel {
  position: fixed; right: var(--space-s); bottom: calc(var(--space-s) + 56px); z-index: 30;
  background: var(--tungsten); border: 1px solid rgba(200,169,106,0.4); border-radius: 2px;
  padding: var(--space-m); width: min(20rem, calc(100vw - 2 * var(--space-s)));
  font-family: var(--mono); font-size: 0.85rem;
}
.comfort-panel label { display: flex; align-items: center; justify-content: space-between; gap: var(--space-s); padding: var(--space-xs) 0; }
.comfort-panel input[type="checkbox"] { width: auto; min-height: 24px; }
.comfort-toggle {
  position: fixed; right: var(--space-s); bottom: var(--space-s); z-index: 30;
  background: var(--tungsten); color: var(--gold);
  border: 1px solid rgba(200,169,106,0.4); border-radius: 2px;
  font-family: var(--mono); font-size: 0.8rem; padding: var(--space-xs) var(--space-s);
}

.ear { background: transparent; border: 1px solid rgba(200,169,106,0.4); border-radius: 2px; color: var(--gold); font-size: 1rem; }

.ghost-rail {
  position: fixed; top: 0; bottom: 0; width: 14rem; overflow: hidden;
  pointer-events: none; z-index: 0;
  display: none;
}
.ghost-rail-l { left: 0; }
.ghost-rail-r { right: 0; text-align: right; }
.ghost-word {
  display: block; position: relative;
  font-style: italic; font-size: 0.85rem; color: var(--grey);
  padding: var(--space-s); max-width: 13rem;
  animation: ghost-rise linear infinite;
}
@keyframes ghost-rise {
  from { transform: translateY(100vh); }
  to { transform: translateY(-20vh); }
}
@media (min-width: 1100px) {
  .ghost-rail { display: block; }
}

.door {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; gap: var(--space-l); min-height: 60dvh;
}
.door h1 { font-size: 2rem; font-weight: 400; margin: 0; }
.door-star { color: var(--gold); font-size: 1.4rem; }
.door-enter {
  display: inline-block; background: var(--gold); color: var(--obsidian);
  text-decoration: none; border-radius: 2px;
  font-family: var(--mono); font-weight: 700; font-size: 0.9rem;
  text-transform: uppercase; letter-spacing: 0.15em;
  padding: var(--space-s) var(--space-xl);
}
.door-sub { color: var(--grey); margin: 0; }
.door-steps {
  display: flex; gap: var(--space-s); flex-wrap: wrap; justify-content: center;
  font-family: var(--mono); font-size: 0.8rem; color: var(--muted);
}
.door-more { max-width: 36rem; text-align: left; margin-top: var(--space-l); }
.door-more summary {
  cursor: pointer; font-family: var(--mono); font-size: 0.85rem;
  color: var(--gold); text-align: center; padding: var(--space-s);
}
details > summary { list-style-position: inside; }
.reveal-later[hidden] { display: none; }
.door .keeper-line { max-width: 34rem; margin-top: var(--space-xl); }

@media (min-width: 640px) {
  .candles { grid-template-columns: repeat(4, 1fr); }
  .promise-grid { grid-template-columns: 1fr 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}