/* Last Flame — black, candle-warm, a serif, and as little as can be. */
:root {
  --bg: #050403; --ink: #efe6d6; --dim: #a39886; --line: rgba(239, 230, 214, .14);
  --card: rgba(14, 10, 8, .9); --warm: #ffb15c; --ember: #e0703a; --red: #b3261e;
  --safeT: env(safe-area-inset-top, 0px); --safeB: env(safe-area-inset-bottom, 0px); --safeL: env(safe-area-inset-left, 0px); --safeR: env(safe-area-inset-right, 0px);
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, "Times New Roman", serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; background: var(--bg); color: var(--ink); font: 16px/1.45 var(--serif); overflow: hidden; overscroll-behavior: none; -webkit-tap-highlight-color: transparent; user-select: none; -webkit-user-select: none; }
#view { position: fixed; inset: 0; width: 100%; height: 100%; display: block; touch-action: none; }
[hidden] { display: none !important; }
button { font: inherit; color: inherit; cursor: pointer; border: 0; background: none; }
.ico { width: 20px; height: 20px; flex: none; vertical-align: -4px; }
.ico.big { width: 44px; height: 44px; }
.noscript { position: fixed; inset: 40% 0 auto; text-align: center; }

/* ---------- buttons ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; padding: 12px 20px; border-radius: 4px; background: rgba(239, 230, 214, .06); border: 1px solid var(--line); letter-spacing: .03em; transition: background .2s, border-color .2s; min-height: 46px; }
.btn:hover:not(:disabled) { background: rgba(255, 177, 92, .1); border-color: rgba(255, 177, 92, .45); }
.btn:disabled { opacity: .55; cursor: default; }
.btn.primary { background: linear-gradient(rgba(255, 177, 92, .22), rgba(224, 112, 58, .16)); border-color: rgba(255, 177, 92, .55); color: #fff3e2; }
.btn.ghost { background: transparent; }
.btn.big { padding: 15px 26px; font-size: 19px; }
.btn.small { padding: 6px 12px; min-height: 34px; font-size: 14px; }
.ibtn { width: 40px; height: 40px; display: inline-grid; place-items: center; border-radius: 50%; background: rgba(0, 0, 0, .35); border: 1px solid var(--line); }
.ibtn.small { width: 30px; height: 30px; }
.info { display: inline-grid; place-items: center; width: 26px; height: 26px; color: var(--dim); vertical-align: middle; }
.info .ico { width: 17px; height: 17px; }
.key { display: inline-block; font: 600 12px/1 var(--sans); padding: 3px 6px; border: 1px solid rgba(239, 230, 214, .4); border-radius: 3px; margin: 0 2px; vertical-align: 2px; }

/* ---------- screens ---------- */
#screen { position: fixed; inset: 0; z-index: 10; display: flex; align-items: center; justify-content: center; padding: calc(16px + var(--safeT)) 16px calc(16px + var(--safeB)); overflow-y: auto; }
#screen.s-title { background: radial-gradient(ellipse at 50% 42%, rgba(3, 2, 2, .35), rgba(3, 2, 2, .92) 78%); }
/* on a wide screen the menu stands to the left and the house is left to be looked at */
@media (min-width: 900px) and (min-aspect-ratio: 4/3) {
  #screen.s-title { justify-content: flex-start; padding-left: 7vw; background: linear-gradient(90deg, rgba(3, 2, 2, .93) 0%, rgba(3, 2, 2, .78) 32%, rgba(3, 2, 2, .1) 62%, rgba(3, 2, 2, .3) 100%); }
}
#screen.s-pause, #screen.s-settings, #screen.s-won, #screen.s-dead { background: rgba(3, 2, 2, .82); }
#screen.s-settings { align-items: flex-start; }
.title { text-align: center; max-width: 460px; width: 100%; animation: rise 1.6s ease-out both; }
@keyframes rise { from { opacity: 0; transform: translateY(8px); } }
.title .mark { color: var(--warm); filter: drop-shadow(0 0 18px rgba(255, 150, 60, .6)); animation: flick 3.2s infinite; }
@keyframes flick { 0%, 100% { opacity: 1; } 47% { opacity: .82; } 49% { opacity: 1; } 72% { opacity: .9; } }
h1 { font-weight: 400; font-size: clamp(38px, 9vw, 60px); letter-spacing: .12em; white-space: nowrap; text-transform: uppercase; margin: 6px 0 0; text-shadow: 0 0 30px rgba(255, 140, 50, .25); }
.sub { margin: 0 0 18px; color: var(--dim); letter-spacing: .4em; text-transform: uppercase; font-size: 13px; }
.line { color: #d8ccb8; margin: 0 auto 24px; max-width: 34ch; font-style: italic; }
.col { display: flex; flex-direction: column; gap: 10px; align-items: stretch; }
.pair { display: flex; gap: 10px; }
.pair .btn { flex: 1; }
.small { font-size: 13px; color: var(--dim); margin: 18px 0 0; }
.small .ico { width: 15px; height: 15px; vertical-align: -2px; }
.dim { color: var(--dim); }
.about { margin-top: 18px; color: var(--dim); font-size: 13px; text-decoration: underline; text-underline-offset: 3px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 6px; padding: 22px; width: min(420px, 100%); }
.card.wide { width: min(560px, 100%); }
.card.center { text-align: center; }
.card h2 { font-weight: 400; font-size: 28px; margin: 0 0 6px; letter-spacing: .04em; }
.card h3 { font-weight: 400; color: var(--dim); font-size: 14px; letter-spacing: .1em; text-transform: uppercase; margin: 18px 0 4px; }
.card .head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; }
.mark.dawn { color: #c9d4ff; } .mark.red { color: var(--red); }
.row { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 9px 0; border-top: 1px solid var(--line); flex-wrap: wrap; }
.row .lbl { display: flex; flex-direction: column; font-size: 15px; }
.row .lbl small { color: var(--dim); font-size: 12px; }
.row .lbl .info { display: inline-grid; }
.seg { display: inline-flex; border: 1px solid var(--line); border-radius: 4px; overflow: hidden; font-family: var(--sans); font-size: 13px; }
.seg button { padding: 7px 11px; color: var(--dim); }
.seg button.on { background: rgba(255, 177, 92, .18); color: #fff3e2; }
input[type=range] { width: 170px; accent-color: var(--ember); }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin: 18px 0 22px; }
.stats b { display: block; font-size: 22px; font-weight: 400; }
.stats small { color: var(--dim); font-size: 12px; }

/* ---------- during the night ---------- */
#hud { position: fixed; inset: 0; z-index: 5; pointer-events: none; }
#hud button, #hud #touch { pointer-events: auto; }
#hint { position: absolute; top: calc(18px + var(--safeT)); left: 50%; transform: translate(-50%, -6px); max-width: min(92vw, 560px); text-align: center; font-size: 17px; text-shadow: 0 1px 8px #000, 0 0 2px #000; opacity: 0; transition: opacity .8s, transform .8s; font-style: italic; }
#hint.in { opacity: .95; transform: translate(-50%, 0); }
#crosshair { position: absolute; left: 50%; top: 50%; width: 3px; height: 3px; margin: -1.5px; border-radius: 50%; background: rgba(239, 230, 214, .45); }
#prompt { position: absolute; left: 50%; bottom: calc(26% + var(--safeB)); transform: translateX(-50%); display: flex; align-items: center; gap: 10px; font-size: 16px; text-shadow: 0 1px 6px #000; white-space: nowrap; animation: fadein .3s; }
@keyframes fadein { from { opacity: 0; } }
#prompt-ring { width: 22px; height: 22px; border-radius: 50%; background: conic-gradient(var(--warm) calc(var(--p, 0) * 360deg), rgba(255, 255, 255, .15) 0); -webkit-mask: radial-gradient(circle, transparent 6px, #000 7px); mask: radial-gradient(circle, transparent 6px, #000 7px); }
#oilword { position: absolute; right: calc(14% + var(--safeR)); bottom: calc(18% + var(--safeB)); font-style: italic; color: #ffd9aa; text-shadow: 0 0 10px rgba(0, 0, 0, .9); opacity: 0; transition: opacity .4s; }
#oilword.in { opacity: .9; }
#captions { position: absolute; left: calc(16px + var(--safeL)); bottom: calc(16px + var(--safeB)); display: flex; flex-direction: column; gap: 4px; font: 14px/1.3 var(--sans); }
#captions .cap { background: rgba(0, 0, 0, .65); padding: 4px 9px; border-radius: 3px; animation: fadein .2s; }
#captions .cap.quiet { opacity: .7; }
#captions .dir { color: var(--warm); }
#btn-pause { position: absolute; top: calc(12px + var(--safeT)); left: calc(12px + var(--safeL)); opacity: .55; }
body:not(.touch) #btn-pause { display: none; }
#hud.hiding #crosshair { display: none; }

/* touch */
#touch { position: absolute; inset: 0; pointer-events: none !important; }
#touch .tbtn { pointer-events: auto; position: absolute; width: 58px; height: 58px; border-radius: 50%; background: rgba(10, 8, 6, .35); border: 1px solid rgba(239, 230, 214, .22); display: grid; place-items: center; color: rgba(239, 230, 214, .8); }
#touch .tbtn .ico { width: 26px; height: 26px; }
#touch .tbtn.on { background: rgba(255, 177, 92, .22); border-color: rgba(255, 177, 92, .5); }
#touch .tbtn.big { width: 76px; height: 76px; right: calc(26px + var(--safeR)); bottom: calc(40px + var(--safeB)); }
#touch .tbtn.big .ico { width: 32px; height: 32px; }
#touch #use.live { background: rgba(255, 177, 92, .25); border-color: rgba(255, 177, 92, .7); }
#btn-lantern { right: calc(116px + var(--safeR)); bottom: calc(30px + var(--safeB)); }
#btn-crouch { right: calc(30px + var(--safeR)); bottom: calc(132px + var(--safeB)); }
#btn-breath { right: calc(112px + var(--safeR)); bottom: calc(106px + var(--safeB)); }
#touch .tbtn.small { width: 44px; height: 44px; right: calc(100px + var(--safeR)); bottom: calc(178px + var(--safeB)); }
#stick { position: absolute; width: 112px; height: 112px; margin: -56px 0 0 -56px; border-radius: 50%; border: 1px solid rgba(239, 230, 214, .25); background: rgba(0, 0, 0, .15); }
#stick-knob { position: absolute; left: 50%; top: 50%; width: 46px; height: 46px; margin: -23px; border-radius: 50%; background: rgba(239, 230, 214, .22); }

/* notes */
#note { position: fixed; inset: 0; z-index: 8; display: grid; place-items: center; padding: 20px; background: radial-gradient(ellipse, rgba(0, 0, 0, .2), rgba(0, 0, 0, .6)); }
#note .paper { width: min(360px, 90vw); background: #d9ccb0; color: #2b2116; padding: 22px 24px 14px; border-radius: 2px; box-shadow: 0 10px 40px rgba(0, 0, 0, .7); transform: rotate(-1.5deg); font-style: italic; animation: fadein .4s; }
#note h3 { margin: 0 0 10px; font-weight: 400; font-style: normal; font-size: 14px; letter-spacing: .08em; text-transform: uppercase; color: #6b5a44; }
#note p { margin: 0 0 10px; font-size: 18px; line-height: 1.5; }
#note small { display: block; text-align: right; color: #7a6a52; font-style: normal; font-size: 12px; }

/* sheet and update bar */
#info-scrim { position: fixed; inset: 0; background: rgba(0, 0, 0, .6); z-index: 40; }
#info-sheet { position: fixed; left: 50%; bottom: 0; transform: translateX(-50%); width: min(580px, 100vw); max-height: 80vh; overflow-y: auto; background: #110c09; border: 1px solid var(--line); border-radius: 8px 8px 0 0; padding: 4px 20px calc(20px + var(--safeB)); z-index: 41; user-select: text; -webkit-user-select: text; }
.sheet-head { display: flex; align-items: center; justify-content: space-between; position: sticky; top: 0; background: #110c09; padding: 14px 0 6px; }
.sheet-head h2 { margin: 0; font-weight: 400; font-size: 22px; }
#info-body p, #info-body li { color: #ddd2c0; line-height: 1.55; }
#info-body ul { padding-left: 18px; }
#info-body b { color: #ffd2a0; font-weight: 600; }
#update-bar { position: fixed; top: calc(10px + var(--safeT)); left: 50%; transform: translateX(-50%); display: flex; align-items: center; gap: 8px; background: #140e0a; border: 1px solid rgba(255, 177, 92, .5); border-radius: 999px; padding: 6px 8px 6px 16px; z-index: 50; font: 14px var(--sans); max-width: calc(100vw - 16px); }

@media (max-width: 420px) {
  .stats { grid-template-columns: repeat(2, 1fr); }
  input[type=range] { width: 140px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001s !important; animation-iteration-count: 1 !important; transition-duration: .001s !important; }
}