/* Heavensteel web: shared tokens. Palette v3 (docs/canon/style.json):
   Caelis white / cobalt / signal red, Dominion crimson / satin black / gold,
   over machined gunmetal. Polished and precise: crisp blocks, engraved lines,
   small model-kit markings, clean glow. No grime, no arrows, no chevrons. */

@font-face {
	font-family: "Saira";
	font-style: normal;
	font-display: swap;
	font-weight: 100 900;
	font-stretch: 50% 125%;
	src: url("/fonts/saira-latin-wdth-normal.woff2") format("woff2-variations");
}
@font-face {
	font-family: "Inter";
	font-style: normal;
	font-display: swap;
	font-weight: 100 900;
	src: url("/fonts/inter-latin-wght-normal.woff2") format("woff2-variations");
}

:root {
	color-scheme: dark;
	--bg: #0a0e16;
	--bg-2: #0f1520;
	--panel: #141b27;
	--panel-2: #1a2230;
	--line: rgb(196 201 208 / 0.1);
	--line-2: rgb(196 201 208 / 0.18);
	--ink: #e8ecf2;
	--ink-2: #a9b1bd;
	--ink-3: #6f7a89;

	--caelis-white: #c4c9d0;
	--caelis-cobalt: #214cb0;
	--caelis-cobalt-2: #3a6ae0;
	--caelis-red: #c8242c;
	--dominion-crimson: #68121b;
	--dominion-crimson-2: #9e1d2b;
	--dominion-black: #26272b;
	--dominion-gold: #d3a93f;
	--gunmetal: #464a51;
	--visor: #8ce6ff;
	--sun: #ffd9a0;

	--display:
		"Saira", "Avenir Next Condensed", "Arial Narrow", system-ui, sans-serif;
	--body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
	--chamfer: 10px;
	--gutter: clamp(16px, 4vw, 48px);
	--max: 1200px;
}

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

html {
	-webkit-text-size-adjust: 100%;
	text-size-adjust: 100%;
}

body {
	margin: 0;
	background: var(--bg);
	color: var(--ink);
	font-family: var(--body);
	font-size: 16px;
	line-height: 1.55;
	-webkit-font-smoothing: antialiased;
}

img {
	max-width: 100%;
	display: block;
}

a {
	color: inherit;
}

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

.wordmark {
	font-family: var(--display);
	font-weight: 800;
	font-stretch: 78%;
	letter-spacing: 0.04em;
	line-height: 0.9;
	white-space: nowrap;
}
.wordmark .wm-heaven {
	color: var(--ink);
}
.wordmark .wm-steel {
	color: var(--caelis-cobalt-2);
}

/* Buttons: chamfered corners like a kit's plate edges. */
.btn {
	--btn-bg: var(--panel-2);
	--btn-ink: var(--ink);
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 0.5em;
	min-height: 48px;
	padding: 0 1.5em;
	border: 0;
	background: var(--btn-bg);
	color: var(--btn-ink);
	font-family: var(--display);
	font-size: 1.05rem;
	font-weight: 700;
	font-stretch: 85%;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	text-decoration: none;
	cursor: pointer;
	clip-path: polygon(
		var(--chamfer) 0,
		100% 0,
		100% calc(100% - var(--chamfer)),
		calc(100% - var(--chamfer)) 100%,
		0 100%,
		0 var(--chamfer)
	);
	transition:
		background 0.15s ease,
		transform 0.15s ease;
	box-shadow: inset 0 0 0 1px var(--line-2);
}
.btn:hover {
	background: #222c3d;
}
.btn:active {
	transform: translateY(1px);
}
.btn.primary {
	--btn-bg: var(--caelis-cobalt);
	--btn-ink: #fff;
	box-shadow:
		inset 0 1px 0 rgb(255 255 255 / 0.18),
		inset 0 -2px 0 rgb(0 0 0 / 0.25);
}
.btn.primary:hover {
	background: #2a5bcc;
}
.btn.gold {
	--btn-bg: var(--dominion-gold);
	--btn-ink: #1a1408;
}

/* The game page: a full-viewport canvas with the loading screen over it. */

html,
body.play {
	height: 100%;
	overflow: hidden;
	overscroll-behavior: none;
	background: #05070b;
}

body.play {
	position: fixed;
	inset: 0;
	-webkit-user-select: none;
	user-select: none;
	-webkit-tap-highlight-color: transparent;
}

#stage {
	position: fixed;
	inset: 0;
	padding: env(safe-area-inset-top) env(safe-area-inset-right)
		env(safe-area-inset-bottom) env(safe-area-inset-left);
	background: #05070b;
}

#unity-canvas {
	display: block;
	width: 100%;
	height: 100%;
	outline: none;
	touch-action: none;
	background: #05070b;
}

.overlay {
	position: fixed;
	inset: 0;
	display: grid;
	place-items: center;
	padding: 24px 16px;
	z-index: 10;
	background:
		radial-gradient(60% 50% at 50% 0%, rgb(255 217 160 / 0.1), transparent 70%),
		radial-gradient(70% 60% at 0% 100%, rgb(33 76 176 / 0.28), transparent 70%),
		radial-gradient(
			70% 60% at 100% 100%,
			rgb(104 18 27 / 0.32),
			transparent 70%
		),
		linear-gradient(var(--bg), var(--bg));
	transition: opacity 0.4s ease;
}
.overlay::before {
	content: "";
	position: absolute;
	inset: 0;
	pointer-events: none;
	background-image:
		linear-gradient(var(--line) 1px, transparent 1px),
		linear-gradient(90deg, var(--line) 1px, transparent 1px);
	background-size: 48px 48px;
	mask-image: radial-gradient(80% 70% at 50% 50%, #000 30%, transparent 100%);
	-webkit-mask-image: radial-gradient(
		80% 70% at 50% 50%,
		#000 30%,
		transparent 100%
	);
	opacity: 0.6;
}
.overlay[hidden] {
	display: none;
}
.overlay.done {
	opacity: 0;
	pointer-events: none;
}
.overlay.soft {
	background: rgb(5 7 11 / 0.82);
	backdrop-filter: blur(6px);
	-webkit-backdrop-filter: blur(6px);
}
.overlay.soft::before {
	display: none;
}

.loading-card {
	position: relative;
	width: min(440px, 100%);
	text-align: center;
}

.loading-card .wordmark {
	font-size: clamp(2.6rem, 11vw, 4.2rem);
}
.loading-card .wordmark.small {
	font-size: 2rem;
	margin-bottom: 18px;
}

.loading-sub {
	margin-top: 10px;
	color: var(--ink-2);
	font-family: var(--display);
	font-stretch: 85%;
	font-size: 1rem;
	letter-spacing: 0.14em;
	text-transform: uppercase;
}
.loading-sub .code {
	color: var(--dominion-gold);
	letter-spacing: 0.22em;
}

.bar {
	position: relative;
	height: 6px;
	margin: 34px 0 10px;
	background: rgb(196 201 208 / 0.1);
	overflow: hidden;
	clip-path: polygon(4px 0, 100% 0, calc(100% - 4px) 100%, 0 100%);
}
.bar-fill {
	position: absolute;
	inset: 0;
	transform-origin: 0 50%;
	transform: scaleX(0);
	background: linear-gradient(
		90deg,
		var(--caelis-cobalt),
		var(--caelis-cobalt-2) 70%,
		var(--visor)
	);
	box-shadow: 0 0 14px rgb(140 230 255 / 0.5);
	transition: transform 0.25s ease-out;
}

.loading-row {
	display: flex;
	justify-content: space-between;
	color: var(--ink-3);
	font-family: var(--display);
	font-stretch: 85%;
	font-size: 0.85rem;
	letter-spacing: 0.1em;
	text-transform: uppercase;
	font-variant-numeric: tabular-nums;
}

.tip {
	min-height: 3.2em;
	margin: 28px auto 0;
	max-width: 36ch;
	color: var(--ink-2);
	font-size: 0.95rem;
}

.fatal-title {
	margin: 0 0 8px;
	font-family: var(--display);
	font-stretch: 85%;
	font-size: 1.6rem;
	font-weight: 700;
	letter-spacing: 0.02em;
}
.fatal-text {
	margin: 0 auto 24px;
	max-width: 42ch;
	color: var(--ink-2);
	-webkit-user-select: text;
	user-select: text;
	overflow-wrap: anywhere;
}
.fatal-actions {
	display: flex;
	gap: 12px;
	justify-content: center;
	flex-wrap: wrap;
}

.rotate-icon {
	width: 56px;
	height: 88px;
	margin: 0 auto 18px;
	border: 3px solid var(--ink-2);
	border-radius: 10px;
	animation: hs-rotate 2.4s ease-in-out infinite;
}
@keyframes hs-rotate {
	0%,
	30% {
		transform: rotate(0deg);
	}
	60%,
	100% {
		transform: rotate(90deg);
	}
}
#rotate p {
	color: var(--ink);
	margin: 0 0 18px;
}

#toast {
	position: fixed;
	left: 50%;
	bottom: calc(24px + env(safe-area-inset-bottom));
	z-index: 20;
	max-width: calc(100% - 32px);
	padding: 10px 18px;
	transform: translate(-50%, 12px);
	opacity: 0;
	background: var(--panel-2);
	color: var(--ink);
	box-shadow:
		inset 0 0 0 1px var(--line-2),
		0 8px 30px rgb(0 0 0 / 0.5);
	font-family: var(--display);
	font-stretch: 85%;
	letter-spacing: 0.06em;
	overflow-wrap: anywhere;
	transition:
		opacity 0.2s ease,
		transform 0.2s ease;
	pointer-events: none;
}
#toast.show {
	opacity: 1;
	transform: translate(-50%, 0);
}

@media (prefers-reduced-motion: reduce) {
	.rotate-icon {
		animation: none;
	}
	.bar-fill,
	.overlay,
	#toast {
		transition: none;
	}
}