/* -------------------------------------------------------------------------
 * Blastix — retro run-and-gun platformer.
 * Arcade cabinet vibe: dark backdrop, neon accents, pixel headings. The
 * initials entry (.rx-slots) and leaderboard table (.rx-lb) are styled by
 * Retroix's stylesheet; everything else is here.
 * ---------------------------------------------------------------------- */

:root {
	--ink: #eaf0ff;
	--muted: #9fb0d8;
	--panel: rgba(9, 12, 28, 0.9);
	--accent: #ffd166;
	--accent-2: #3f7cff;
	--pixel: 'Press Start 2P', 'Courier New', monospace;
	--sans: 'Trebuchet MS', 'Segoe UI', system-ui, sans-serif;
}

* { box-sizing: border-box; }

body {
	margin: 0;
	min-height: 100vh;
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 16px;
	font-family: var(--sans);
	color: var(--ink);
	background: radial-gradient(1200px 700px at 50% -10%, #241b4d 0%, #0a0a1f 55%, #05050f 100%);
	overflow: hidden;
	user-select: none;
	-webkit-user-select: none;
}

.frame {
	width: min(96vw, 860px, calc(90vh * 2));
	display: flex;
	flex-direction: column;
	gap: 10px;
}

/* -------------------------------- HUD --------------------------------- */

.hud {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 10px;
	padding: 8px 14px;
	background: var(--panel);
	border: 1px solid rgba(255, 255, 255, .1);
	border-radius: 12px;
	font-family: var(--pixel);
	font-size: clamp(9px, 2.2vw, 13px);
}
.hud__label { display: block; font-size: 7px; color: var(--muted); margin-bottom: 5px; letter-spacing: 1px; }
.hud__cell:first-child { color: var(--accent); }
.hud__mid { color: #ffe38a; }
.hud__zone { color: var(--ink); font-size: clamp(8px, 2vw, 12px); text-align: center; flex: 1; }
.hud__right { color: #ff5e7e; text-align: right; }
.hud__health { font-family: var(--sans); font-size: 16px; letter-spacing: 2px; }

/* ------------------------------ playfield ----------------------------- */

.playfield {
	position: relative;
	width: 100%;
	aspect-ratio: 2 / 1;
	border-radius: 14px;
	overflow: hidden;
	box-shadow: 0 0 0 2px rgba(255, 255, 255, .08), 0 24px 60px rgba(0, 0, 0, .55);
	background: #0a0a1f;
}
#game { display: block; width: 100%; height: 100%; image-rendering: pixelated; touch-action: none; }

/* ------------------------------ screens ------------------------------- */

.screen {
	position: absolute;
	inset: 0;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: safe center;
	overflow-y: auto;
	gap: 12px;
	padding: 20px;
	text-align: center;
	background: rgba(5, 6, 16, .82);
	backdrop-filter: blur(2px);
	z-index: 5;
}
.screen > * { flex-shrink: 0; }
.screen[hidden] { display: none; }

.logo {
	font-family: var(--pixel);
	font-size: clamp(24px, 8vw, 50px);
	margin: 0;
	color: #fff;
	letter-spacing: 2px;
	text-shadow: 0 0 8px var(--accent), 4px 4px 0 var(--accent-2);
}
.tagline { margin: 0; color: var(--muted); font-size: clamp(11px, 3vw, 15px); }
.title-top { margin: 0; font-family: var(--pixel); font-size: 9px; color: var(--accent); min-height: 10px; }

.screen-title { font-family: var(--pixel); font-size: clamp(14px, 4vw, 22px); margin: 0; color: #fff; }
.screen-sub { margin: 0; color: var(--muted); font-size: 13px; }
.big-score { font-family: var(--pixel); font-size: clamp(22px, 7vw, 40px); margin: 4px 0; color: var(--accent); }
.hint { margin: 0; color: var(--muted); font-size: 12px; }

.intro-stage { font-family: var(--pixel); font-size: 11px; color: var(--accent); margin: 0; }
.intro-name { font-family: var(--pixel); font-size: clamp(16px, 5vw, 28px); margin: 6px 0; color: #fff; text-shadow: 0 0 12px var(--accent); }
.intro-tag { margin: 0 0 8px; color: var(--muted); font-style: italic; }

/* ------------------------------ buttons ------------------------------- */

.btns { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-top: 6px; }
.btn {
	font-family: var(--pixel);
	font-size: 11px;
	color: var(--ink);
	background: rgba(255, 255, 255, .08);
	border: 2px solid rgba(255, 255, 255, .25);
	border-radius: 10px;
	padding: 12px 16px;
	cursor: pointer;
	transition: transform .08s ease, background .15s ease;
}
.btn:hover { background: rgba(255, 255, 255, .16); }
.btn:active { transform: translateY(2px); }
.btn--primary {
	color: #081018;
	background: var(--accent);
	border-color: transparent;
	box-shadow: 0 0 16px rgba(255, 209, 102, .5);
}
.btn--primary:hover { background: #ffdd85; }

/* Retroix's --rx-* accents default to cyan; nudge them to Blastix gold. */
.rx-slots, .rx-lb { --rx-accent: #ffd166; }

/* ------------------------------- howto -------------------------------- */

.howto {
	text-align: left;
	max-width: 520px;
	margin: 0;
	padding-left: 20px;
	font-size: 13px;
	line-height: 1.6;
	color: #d6def5;
}
.howto li { margin: 6px 0; }

@media (max-width: 520px) {
	.hud { font-size: 9px; }
	.btn { font-size: 9px; padding: 11px 12px; }
}