/* wo-ist — Lebenszeichen v2. Ein Signal, ein Satz, eine Karte.
   Fünf Register: gut, schwer, schlaf, alt (Dämmerung), ueber (Ernstfall). */
@font-face { font-family: "Atkinson"; src: url(/fonts/atkinson-hyperlegible-next-latin-400-normal.woff2) format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Atkinson"; src: url(/fonts/atkinson-hyperlegible-next-latin-700-normal.woff2) format("woff2"); font-weight: 700; font-display: swap; }
@font-face { font-family: "Atkinson"; src: url(/fonts/atkinson-hyperlegible-next-latin-400-italic.woff2) format("woff2"); font-weight: 400; font-style: italic; font-display: swap; }
@font-face { font-family: "Atkinson Mono"; src: url(/fonts/atkinson-hyperlegible-mono-latin-400-normal.woff2) format("woff2"); font-display: swap; }

:root {
  --bg: #f3efe6; --ink: #1d1b17; --soft: #686358; --sig: #2f9e5b; --card: #fffdf8; --line: #e2dccf;
  --btn: #1d1b17; --btn-ink: #f3efe6;
  --pulse: 2.8s; --size: clamp(2.6rem, 11vw, 3.6rem);
  --mono: "Atkinson Mono", ui-monospace, monospace;
  color-scheme: light;
}
html[data-register="schwer"] { --bg: #e3e6ea; --ink: #1c2129; --soft: #59616d; --sig: #5d6b7e; --card: #f1f3f5; --line: #cfd4db; --btn: #2a3240; --btn-ink: #eef0f3; --pulse: 4.2s; --size: clamp(2.3rem, 9.5vw, 3.1rem); }
html[data-register="schlaf"] { --bg: #141a2b; --ink: #e9ecf5; --soft: #9aa3bb; --sig: #8fa3ff; --card: #1c2338; --line: #2a3350; --btn: #e9ecf5; --btn-ink: #141a2b; --pulse: 6s; color-scheme: dark; }
html[data-register="alt"] { --bg: #2b2925; --ink: #ece6da; --soft: #a39b8c; --sig: #a39b8c; --card: #35322d; --line: #45413a; --btn: #ece6da; --btn-ink: #2b2925; --pulse: 0s; --size: clamp(2.3rem, 9.5vw, 3.1rem); color-scheme: dark; }
html[data-register="ueber"] { --acc: #b5532f; --bg: #b5532f; --ink: #fff6ef; --soft: #f8dccd; --sig: #fff6ef; --card: #a24a2a; --line: #c56a48; --btn: #fff6ef; --btn-ink: #9c3f1f; --pulse: 1.6s; }

* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--ink); }
body { font-family: "Atkinson", system-ui, sans-serif; -webkit-font-smoothing: antialiased; transition: background-color .6s; }
.page { min-height: 100svh; max-width: 34rem; margin: 0 auto; display: flex; flex-direction: column; padding: max(1.25rem, env(safe-area-inset-top)) 1.75rem max(1.5rem, env(safe-area-inset-bottom)); }
.top { display: flex; justify-content: space-between; align-items: center; font: 0.82rem var(--mono); color: var(--soft); letter-spacing: .03em; padding-top: .75rem; }
.top b { font-weight: 400; color: var(--ink); }
main { flex: 1; }

/* ------------------------------------------------ Signal */
.hero { padding-top: clamp(3rem, 12vh, 6rem); }
.signal { position: relative; width: 4.75rem; height: 4.75rem; margin: 1.9rem 0 4.25rem 1.9rem; }
.friend .signal { width: 3.5rem; height: 3.5rem; margin: 1.4rem 0 2.9rem 1.4rem; }
.friend .hero { padding-top: clamp(2rem, 7vh, 4rem); }
.signal b { position: absolute; inset: 29%; border-radius: 50%; background: var(--sig); transition: background .6s; }
.signal i { position: absolute; inset: 0; border-radius: 50%; border: 2px solid var(--sig); opacity: .25; }
.signal i:nth-child(2) { inset: -18%; opacity: .12; }
.signal i:nth-child(3) { inset: -40%; opacity: .06; }
@media (prefers-reduced-motion: no-preference) {
  .signal i { animation: ring var(--pulse) ease-out infinite; }
  .signal i:nth-child(2) { animation-delay: calc(var(--pulse) / 3); }
  .signal i:nth-child(3) { animation-delay: calc(var(--pulse) / 1.5); }
  html[data-register="alt"] .signal i, .signal.off i { animation: none; }
}
@keyframes ring {
  0% { transform: scale(.7); opacity: .45; }
  100% { transform: scale(1.45); opacity: 0; }
}
html[data-register="schlaf"] .signal b { background: none; inset: 31%; box-shadow: inset .55rem -.45rem 0 0 var(--sig); }
html[data-register="alt"] .signal i { border-style: dashed; }
.signal.off b { background: var(--soft); }
.signal.off i { border-color: var(--soft); }

/* ------------------------------------------------ Satz */
.brow { font: .8rem var(--mono); letter-spacing: .07em; text-transform: uppercase; color: var(--soft); margin: 0 0 .9rem; }
h1 { font-weight: 700; font-size: var(--size); line-height: 1.02; letter-spacing: -.025em; margin: 0; text-wrap: balance; }
html[data-register="alt"] h1 { font-weight: 400; }
html[data-register="ueber"] h1 { font-size: clamp(2.5rem, 10.5vw, 3.5rem); }
h1 .e { font-size: .6em; vertical-align: .12em; margin-left: .2em; }
.meta { margin: 1.25rem 0 0; font-size: 1.06rem; line-height: 1.45; color: var(--soft); }
.meta .exact { display: block; font: .78rem var(--mono); margin-top: .35rem; opacity: .85; }
.hint { margin: 1.1rem 0 0; font-size: 1.06rem; line-height: 1.45; max-width: 30ch; }
.note { margin: 1.4rem 0 0; padding: .2rem 0 .2rem 1rem; border-left: 3px solid var(--sig); font-size: 1.06rem; line-height: 1.4; font-style: italic; }

/* ------------------------------------------------ Ort */
.card { margin: 1.9rem -.75rem 0; background: var(--card); border-radius: 1.6rem; overflow: hidden; border: 1px solid var(--line); }
.map { height: 12.5rem; position: relative; overflow: hidden; background: var(--line); }
.tiles { position: absolute; inset: 0; filter: grayscale(1) contrast(.85) brightness(1.08) sepia(.25); }
html[data-register="schlaf"] .tiles, html[data-register="alt"] .tiles { filter: grayscale(1) invert(.88) contrast(.8); }
.tiles img { position: absolute; width: 256px; height: 256px; display: block; user-select: none; }
.acc { position: absolute; left: 50%; top: 50%; border-radius: 50%; transform: translate(-50%, -50%); background: color-mix(in srgb, var(--acc, var(--sig)) 16%, transparent); border: 2px solid var(--acc, var(--sig)); }
.acc::after { content: ""; position: absolute; left: 50%; top: 50%; width: .8rem; height: .8rem; margin: -.4rem; border-radius: 50%; background: var(--acc, var(--sig)); box-shadow: 0 0 0 3px #fff; }
.where { padding: 1rem 1.15rem 1.1rem; display: flex; justify-content: space-between; align-items: baseline; gap: .75rem; flex-wrap: wrap; }
.where strong { font-size: 1.15rem; }
.where span { font: .76rem var(--mono); color: var(--soft); }

/* ------------------------------------------------ Stups */
.stups { margin-top: .9rem; }
.btn { display: flex; width: 100%; align-items: center; justify-content: center; gap: .6rem; min-height: 3.85rem; border: 0; border-radius: 2rem; background: var(--btn); color: var(--btn-ink); font: 700 1.1rem "Atkinson", system-ui, sans-serif; cursor: pointer; margin-top: 0; -webkit-tap-highlight-color: transparent; }
.stups > .btn { margin: 0 -.75rem; width: calc(100% + 1.5rem); }
.btn:active { transform: scale(.985); }
.btn:disabled { opacity: .6; cursor: default; }
.form { margin: .9rem -.75rem 0; background: var(--card); border-radius: 1.6rem; padding: 1.1rem; border: 1px solid var(--line); }
.form label { display: block; font: .75rem var(--mono); color: var(--soft); margin: 0 0 .45rem .15rem; letter-spacing: .04em; text-transform: uppercase; }
.form textarea { width: 100%; border: 0; border-radius: .9rem; background: var(--bg); color: var(--ink); padding: .85rem; font: 1.06rem "Atkinson", system-ui, sans-serif; resize: none; margin-bottom: .9rem; }
.form textarea:focus { outline: 2px solid var(--sig); }
.small { font-size: .9rem; color: var(--soft); margin: .7rem .15rem 0; }
.status-line:empty { display: none; }
.reply { margin: .9rem 0 0; font-size: .98rem; color: var(--soft); line-height: 1.45; }
.reply b { color: var(--ink); }

.foot { margin-top: 3rem; font: .75rem/1.5 var(--mono); color: var(--soft); display: flex; justify-content: space-between; gap: 1rem; }
.foot span:first-child { max-width: 34ch; }
a { color: inherit; }