/* Arcade (/play): cabinet wall + game stage. Everything neon sits on theme
   tokens so dark mode is automatic; the cabinets themselves are always dark. */

.arc {
	--arc-ink: var(--cd-ink, #0f172a);
	--arc-muted: var(--cd-muted, #64748b);
	--arc-line: var(--cd-line, #e2e8f0);
	--arc-surface: var(--cd-card, #ffffff);
	--arc-accent: var(--cd-accent, #6366f1);
	--arc-accent-soft: var(--cd-accent-soft, #eef2ff);
	--arc-cab-body: #0b1020;
	--arc-cab-body-2: #161c33;
	--arc-screen: #050811;
	--arc-scale: 1;
	position: relative;
	max-width: 1120px;
	margin: 0 auto;
	padding: calc(var(--app-safe-top, 0px) + 0.5rem) 16px 4rem;
	color: var(--arc-ink);
	font-family: "Poppins", system-ui, sans-serif;
}
.arc * { box-sizing: border-box; }
.arc button { font-family: inherit; }
.arc-page { min-height: 100vh; }
body.arc-body { background: var(--cd-bg, #f8fafc); }

/* ---------- marquee ---------- */
.arc-marquee {
	position: relative;
	text-align: center;
	padding: 1.75rem 1rem 1.25rem;
	border-radius: 28px;
	background:
		radial-gradient(120% 90% at 50% 0%, rgba(99, 102, 241, 0.18), transparent 60%),
		linear-gradient(180deg, var(--arc-cab-body), var(--arc-cab-body-2));
	color: #fff;
	overflow: hidden;
	box-shadow: 0 24px 60px -30px rgba(15, 23, 42, 0.6), inset 0 0 0 1px rgba(255, 255, 255, 0.06);
}
.arc-marquee-lights {
	position: absolute; inset: 0 0 auto 0; height: 10px;
	display: flex; justify-content: space-evenly; align-items: center; padding: 0 1rem;
}
.arc-marquee-lights span {
	width: 8px; height: 8px; border-radius: 50%;
	background: #fcd34d; box-shadow: 0 0 10px 2px rgba(252, 211, 77, 0.8);
	animation: arc-chase 1.2s infinite;
}
.arc-marquee-lights span:nth-child(odd) { animation-delay: 0.6s; background: #f472b6; box-shadow: 0 0 10px 2px rgba(244, 114, 182, 0.8); }
@keyframes arc-chase { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.25; transform: scale(0.7); } }
.arc-eyebrow {
	display: inline-flex; align-items: center; gap: 0.45rem;
	padding: 0.3rem 0.9rem; border-radius: 999px;
	background: rgba(255, 255, 255, 0.08); border: 1px solid rgba(255, 255, 255, 0.14);
	font-size: 0.7rem; font-weight: 800; letter-spacing: 0.14em; text-transform: uppercase; color: #c7d2fe;
}
.arc-title { color: #f8fafc; font-size: clamp(1.7rem, 4.5vw, 2.6rem); font-weight: 900; margin: 0.8rem 0 0.35rem; letter-spacing: -0.02em; }
.arc-title-glow {
	background: linear-gradient(90deg, #f472b6, #fcd34d, #22d3ee, #a78bfa);
	background-size: 300% 100%;
	-webkit-background-clip: text; background-clip: text; color: transparent;
	animation: arc-hue 6s linear infinite;
	filter: drop-shadow(0 0 14px rgba(167, 139, 250, 0.45));
}
@keyframes arc-hue { to { background-position: 300% 0; } }
.arc-sub { max-width: 560px; margin: 0 auto 1rem; color: #cbd5e1; font-size: 0.95rem; }
.arc-scope {
	display: inline-flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; justify-content: center;
	padding: 0.5rem 0.9rem; border-radius: 14px;
	background: rgba(255, 255, 255, 0.07); border: 1px dashed rgba(255, 255, 255, 0.18);
	font-size: 0.85rem; color: #e2e8f0;
}
.arc-scope-title { font-weight: 700; }
.arc-scope-change {
	border: 0; background: #fff; color: var(--arc-cab-body); font-weight: 800; font-size: 0.75rem;
	padding: 0.3rem 0.7rem; border-radius: 999px; cursor: pointer;
}

/* ---------- band dial ---------- */
.arc-bands { margin: 1.4rem 0 0.5rem; }
.arc-bands-label { font-size: 0.7rem; font-weight: 800; letter-spacing: 0.14em; text-transform: uppercase; color: var(--arc-muted); margin: 0 0 0.5rem 0.25rem; }
.arc-band-dial {
	display: grid; grid-template-columns: repeat(4, 1fr); gap: 0.5rem;
	padding: 0.4rem; border-radius: 20px;
	background: var(--arc-surface); border: 1px solid var(--arc-line);
}
.arc-band {
	display: flex; flex-direction: column; align-items: center; gap: 0.1rem;
	min-height: 64px; padding: 0.55rem 0.3rem; border-radius: 14px; border: 2px solid transparent;
	background: transparent; color: var(--arc-ink); cursor: pointer;
	transition: transform 0.15s, background 0.2s, border-color 0.2s, box-shadow 0.2s;
}
.arc-band:active { transform: scale(0.96); }
.arc-band-emoji { font-size: 1.35rem; line-height: 1; }
.arc-band-name { font-size: 0.78rem; font-weight: 800; }
.arc-band-ages { font-size: 0.68rem; color: var(--arc-muted); font-weight: 600; }
.arc-band[aria-checked="true"] {
	background: var(--arc-accent-soft); border-color: var(--arc-accent);
	box-shadow: 0 8px 20px -12px var(--arc-accent);
}

/* ---------- cabinet wall ---------- */
.arc-wall {
	display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 1.1rem;
	margin-top: 1.2rem; perspective: 1200px;
}
.arc-cab {
	--cab: #6366f1;
	position: relative;
	display: flex; flex-direction: column;
	border-radius: 22px;
	background: linear-gradient(180deg, var(--arc-cab-body-2), var(--arc-cab-body));
	color: #fff;
	box-shadow: 0 30px 50px -30px rgba(15, 23, 42, 0.7), inset 0 0 0 1px rgba(255, 255, 255, 0.07);
	transform-style: preserve-3d;
	transition: transform 0.25s ease, box-shadow 0.25s ease;
	will-change: transform;
}
.arc-cab:hover, .arc-cab:focus-within {
	box-shadow: 0 40px 70px -30px color-mix(in srgb, var(--cab) 60%, transparent), inset 0 0 0 1px color-mix(in srgb, var(--cab) 50%, transparent);
}
.arc-cab.is-locked { filter: saturate(0.3); }
.arc-cab-top { display: flex; justify-content: space-between; align-items: center; padding: 0.85rem 1rem 0.4rem; }
.arc-cab-name { font-weight: 900; font-size: 1rem; letter-spacing: -0.01em; text-shadow: 0 0 16px color-mix(in srgb, var(--cab) 70%, transparent); }
.arc-cab-best { display: flex; flex-direction: column; align-items: flex-end; line-height: 1.1; }
.arc-cab-best-label { font-size: 0.55rem; letter-spacing: 0.14em; text-transform: uppercase; color: #94a3b8; font-weight: 800; }
.arc-cab-best-value { font-weight: 900; font-size: 0.95rem; color: var(--cab); font-variant-numeric: tabular-nums; }
.arc-cab-screen {
	position: relative; margin: 0 0.8rem; aspect-ratio: 4 / 3;
	border-radius: 14px; background: radial-gradient(90% 90% at 50% 40%, color-mix(in srgb, var(--cab) 22%, var(--arc-screen)), var(--arc-screen));
	display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 0.5rem; padding: 0.75rem;
	box-shadow: inset 0 0 0 3px #1e293b, inset 0 0 40px rgba(0, 0, 0, 0.8);
	overflow: hidden; text-align: center;
}
.arc-cab-scan {
	position: absolute; inset: 0; pointer-events: none;
	background: repeating-linear-gradient(180deg, rgba(255, 255, 255, 0.035) 0 1px, transparent 1px 3px);
	mix-blend-mode: overlay;
}
.arc-cab-icon {
	font-size: 2.6rem; color: var(--cab);
	filter: drop-shadow(0 0 14px var(--cab)) drop-shadow(0 0 32px color-mix(in srgb, var(--cab) 50%, transparent));
	animation: arc-float 3.2s ease-in-out infinite;
}
.arc-cab:nth-child(2n) .arc-cab-icon { animation-delay: -1.1s; }
.arc-cab:nth-child(3n) .arc-cab-icon { animation-delay: -2.2s; }
@keyframes arc-float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-6px); } }
.arc-cab-tag { font-size: 0.74rem; color: #cbd5e1; line-height: 1.35; }
.arc-cab-empty { font-size: 0.7rem; color: #fca5a5; font-weight: 700; }
.arc-cab-deck { display: flex; align-items: center; justify-content: space-between; gap: 0.75rem; padding: 0.9rem 1rem 1rem; }
.arc-cab-play {
	flex: 1; display: inline-flex; align-items: center; justify-content: center; gap: 0.6rem;
	min-height: 52px; border-radius: 14px; border: 0; cursor: pointer;
	background: var(--cab); color: #0b1020; font-weight: 900; font-size: 0.9rem; letter-spacing: 0.02em;
	box-shadow: 0 10px 24px -10px var(--cab), inset 0 -3px 0 rgba(0, 0, 0, 0.25);
	transition: transform 0.12s, filter 0.2s;
}
.arc-cab-play:hover { filter: brightness(1.08); }
.arc-cab-play:active { transform: translateY(2px); box-shadow: 0 4px 12px -8px var(--cab), inset 0 -1px 0 rgba(0, 0, 0, 0.25); }
.arc-cab-play[disabled] { opacity: 0.45; cursor: not-allowed; }
.arc-cab-coin { width: 14px; height: 14px; border-radius: 50%; background: radial-gradient(circle at 35% 35%, #fff7ce, #f59e0b 60%, #b45309); box-shadow: 0 0 0 2px rgba(0, 0, 0, 0.15) inset; }
.arc-cab-joy { position: relative; width: 40px; height: 40px; border-radius: 50%; background: #1e293b; box-shadow: inset 0 2px 6px rgba(0, 0, 0, 0.7); }
.arc-cab-joy span { position: absolute; left: 50%; bottom: 50%; width: 6px; height: 26px; margin-left: -3px; background: #475569; border-radius: 3px; transform-origin: bottom center; transition: transform 0.2s; }
.arc-cab-joy span::after { content: ""; position: absolute; top: -12px; left: -7px; width: 20px; height: 20px; border-radius: 50%; background: radial-gradient(circle at 35% 30%, #fff, #ef4444 55%, #991b1b); }
.arc-cab:hover .arc-cab-joy span { transform: rotate(-18deg); }

/* ---------- course sheet ---------- */
.arc-course-sheet { position: fixed; inset: 0; z-index: 1200; background: rgba(2, 6, 23, 0.55); display: flex; align-items: flex-end; justify-content: center; }
.arc-course-sheet[hidden] { display: none; }
.arc-course-sheet-inner { width: 100%; max-width: 560px; background: var(--arc-surface); color: var(--arc-ink); border-radius: 24px 24px 0 0; padding: 1rem 1rem calc(1rem + env(safe-area-inset-bottom, 0px)); max-height: 80vh; overflow: auto; animation: arc-sheet-up 0.25s ease-out; }
@keyframes arc-sheet-up { from { transform: translateY(30px); opacity: 0; } }
.arc-course-sheet-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 0.6rem; }
.arc-x { border: 0; background: var(--arc-accent-soft); color: var(--arc-ink); width: 36px; height: 36px; border-radius: 50%; font-size: 1.3rem; cursor: pointer; }
.arc-course-row { display: flex; align-items: center; gap: 0.6rem; padding: 0.8rem 0.9rem; border-radius: 14px; border: 1px solid var(--arc-line); margin-bottom: 0.5rem; color: var(--arc-ink); text-decoration: none; font-weight: 700; font-size: 0.9rem; background: transparent; width: 100%; text-align: left; cursor: pointer; }
.arc-course-row small { margin-left: auto; color: var(--arc-muted); font-weight: 600; text-transform: capitalize; }
.arc-course-row.is-active { border-color: var(--arc-accent); background: var(--arc-accent-soft); }

/* ---------- stage ---------- */
.arc-stage {
	position: relative;
	min-height: calc(100vh - 140px);
	border-radius: 28px;
	background: linear-gradient(180deg, var(--arc-cab-body-2), var(--arc-cab-body));
	color: #fff;
	padding: 0.9rem 0.9rem 1.2rem;
	box-shadow: 0 30px 60px -30px rgba(15, 23, 42, 0.7), inset 0 0 0 1px rgba(255, 255, 255, 0.06);
	overflow: hidden;
	font-size: calc(1rem * var(--arc-scale));
	touch-action: manipulation;
}
.arc-stage[hidden] { display: none; }
.arc-hud { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 0.75rem; margin-bottom: 0.75rem; }
.arc-hud-quit { border: 0; background: rgba(255, 255, 255, 0.08); color: #fff; width: 44px; height: 44px; border-radius: 50%; font-size: 1.1rem; cursor: pointer; }
.arc-hud-mid { display: flex; flex-direction: column; align-items: center; gap: 0.25rem; min-width: 0; }
.arc-hud-name { font-size: 0.7rem; letter-spacing: 0.14em; text-transform: uppercase; font-weight: 800; color: #94a3b8; }
.arc-hud-bar { width: 100%; max-width: 420px; height: 8px; border-radius: 999px; background: rgba(255, 255, 255, 0.1); overflow: hidden; }
.arc-hud-bar > i { display: block; height: 100%; width: 100%; background: linear-gradient(90deg, var(--cab, #6366f1), #fff); border-radius: inherit; transition: width 0.25s linear; }
.arc-hud-bar.is-low > i { background: linear-gradient(90deg, #ef4444, #f59e0b); animation: arc-pulse 0.6s infinite; }
@keyframes arc-pulse { 50% { opacity: 0.55; } }
.arc-hud-right { text-align: right; line-height: 1.05; }
.arc-hud-score { font-size: 1.45rem; font-weight: 900; font-variant-numeric: tabular-nums; }
.arc-hud-combo { font-size: 0.7rem; font-weight: 800; color: #fcd34d; opacity: 0; transform: translateY(4px); transition: all 0.2s; }
.arc-hud-combo.is-on { opacity: 1; transform: none; }
.arc-hud-time { font-size: 0.72rem; color: #cbd5e1; font-variant-numeric: tabular-nums; }
.arc-board { position: relative; min-height: 360px; }
.arc-prompt {
	text-align: center; font-weight: 800; font-size: calc(1.15rem * var(--arc-scale)); line-height: 1.35;
	padding: 1rem 1rem; margin: 0.25rem auto 1rem; max-width: 720px;
	border-radius: 18px; background: rgba(255, 255, 255, 0.06); border: 1px solid rgba(255, 255, 255, 0.08);
	animation: arc-in 0.25s ease-out;
}
.arc-prompt mark { background: transparent; color: var(--cab, #fcd34d); font-weight: 900; }
.arc-blank { display: inline-block; min-width: 4ch; border-bottom: 3px solid var(--cab, #fcd34d); margin: 0 0.15em; vertical-align: bottom; }
@keyframes arc-in { from { opacity: 0; transform: translateY(8px) scale(0.98); } }
.arc-options { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.65rem; max-width: 720px; margin: 0 auto; }
.arc-options.cols-1 { grid-template-columns: 1fr; }
.arc-opt {
	min-height: calc(64px * var(--arc-scale)); padding: 0.75rem 0.9rem; border-radius: 16px; border: 2px solid rgba(255, 255, 255, 0.1);
	background: rgba(255, 255, 255, 0.07); color: #fff; font-weight: 700; font-size: calc(1rem * var(--arc-scale)); cursor: pointer;
	transition: transform 0.12s, background 0.15s, border-color 0.15s; animation: arc-in 0.3s ease-out both;
	-webkit-tap-highlight-color: transparent; word-break: break-word;
}
.arc-opt:nth-child(2) { animation-delay: 0.05s; } .arc-opt:nth-child(3) { animation-delay: 0.1s; } .arc-opt:nth-child(4) { animation-delay: 0.15s; }
.arc-opt:hover { background: rgba(255, 255, 255, 0.12); }
.arc-opt:active { transform: scale(0.97); }
.arc-opt.is-right { background: #16a34a; border-color: #4ade80; animation: arc-pop 0.35s; }
.arc-opt.is-wrong { background: #b91c1c; border-color: #f87171; animation: arc-shake 0.35s; }
.arc-opt[disabled] { cursor: default; }
@keyframes arc-pop { 30% { transform: scale(1.06); } }
@keyframes arc-shake { 25% { transform: translateX(-6px); } 50% { transform: translateX(6px); } 75% { transform: translateX(-3px); } }
.arc-float { position: absolute; left: 50%; top: 40%; transform: translate(-50%, 0); font-weight: 900; font-size: 1.6rem; color: #fcd34d; pointer-events: none; animation: arc-float-up 0.8s ease-out forwards; text-shadow: 0 2px 12px rgba(0, 0, 0, 0.5); z-index: 5; }
@keyframes arc-float-up { to { transform: translate(-50%, -70px); opacity: 0; } }
.arc-flash { position: absolute; inset: 0; pointer-events: none; border-radius: inherit; animation: arc-flash 0.35s ease-out forwards; }
.arc-flash.good { box-shadow: inset 0 0 0 6px rgba(74, 222, 128, 0.7); }
.arc-flash.bad { box-shadow: inset 0 0 0 6px rgba(248, 113, 113, 0.7); }
@keyframes arc-flash { to { opacity: 0; } }
.arc-countdown { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; font-size: 6rem; font-weight: 900; color: var(--cab, #fff); text-shadow: 0 0 40px var(--cab, #fff); animation: arc-count 0.9s ease-out; z-index: 10; }
@keyframes arc-count { from { transform: scale(1.6); opacity: 0; } 30% { opacity: 1; transform: scale(1); } to { opacity: 0; transform: scale(0.8); } }

/* ---------- memory match ---------- */
.arc-grid { display: grid; grid-template-columns: repeat(var(--cols, 4), 1fr); gap: 0.6rem; max-width: 640px; margin: 0 auto; perspective: 900px; }
.arc-tile { position: relative; aspect-ratio: 1 / 1.05; border: 0; background: transparent; padding: 0; cursor: pointer; -webkit-tap-highlight-color: transparent; }
.arc-tile-inner { position: absolute; inset: 0; transform-style: preserve-3d; transition: transform 0.45s cubic-bezier(0.2, 0.8, 0.2, 1); }
.arc-tile.is-up .arc-tile-inner { transform: rotateY(180deg); }
.arc-tile-face { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; padding: 0.5rem; border-radius: 16px; backface-visibility: hidden; -webkit-backface-visibility: hidden; font-weight: 800; font-size: calc(0.9rem * var(--arc-scale)); text-align: center; word-break: break-word; line-height: 1.25; }
.arc-tile-back { background: linear-gradient(135deg, color-mix(in srgb, var(--cab) 55%, #0b1020), #1e293b); border: 2px solid rgba(255, 255, 255, 0.12); box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.4); }
.arc-tile-back::after { content: "?"; font-size: 2rem; color: rgba(255, 255, 255, 0.35); }
.arc-tile-front { background: #fff; color: #0b1020; transform: rotateY(180deg); border: 2px solid var(--cab); }
.arc-tile.is-matched .arc-tile-front { background: #dcfce7; border-color: #4ade80; color: #14532d; animation: arc-pop 0.4s; }
.arc-tile.is-matched { pointer-events: none; }
.arc-tile.is-left .arc-tile-front { border-style: solid; } .arc-tile.is-right .arc-tile-front { border-style: dashed; }

/* ---------- word pop ---------- */
.arc-sky { position: relative; height: 380px; max-width: 720px; margin: 0 auto; border-radius: 20px; overflow: hidden; background: linear-gradient(180deg, #0f1b3d 0%, #1d2d5c 60%, #335a8f 100%); border: 1px solid rgba(255, 255, 255, 0.1); }
.arc-sky::before { content: ""; position: absolute; inset: 0; background-image: radial-gradient(1px 1px at 20% 30%, #fff8, transparent), radial-gradient(1px 1px at 70% 20%, #fff8, transparent), radial-gradient(1px 1px at 40% 70%, #fff6, transparent), radial-gradient(1px 1px at 85% 60%, #fff8, transparent); }
.arc-balloon { position: absolute; bottom: -60px; left: var(--x, 50%); transform: translateX(-50%); border: 0; background: transparent; padding: 0; cursor: pointer; animation: arc-rise var(--dur, 7s) linear forwards; -webkit-tap-highlight-color: transparent; }
@keyframes arc-rise { to { bottom: 110%; } }
.arc-balloon-body { position: relative; min-width: calc(84px * var(--arc-scale)); max-width: 150px; padding: 0.8rem 0.7rem; border-radius: 50% 50% 50% 50% / 45% 45% 55% 55%; background: radial-gradient(circle at 35% 30%, #fff9, transparent 40%), var(--c, #f472b6); color: #0b1020; font-weight: 900; font-size: calc(0.95rem * var(--arc-scale)); text-align: center; box-shadow: 0 10px 20px -10px rgba(0, 0, 0, 0.6); animation: arc-sway 2.4s ease-in-out infinite; word-break: break-word; }
.arc-balloon-body::after { content: ""; position: absolute; left: 50%; bottom: -26px; width: 2px; height: 26px; background: rgba(255, 255, 255, 0.5); }
@keyframes arc-sway { 50% { transform: rotate(4deg) translateX(4px); } }
.arc-balloon.is-popped { animation: none; pointer-events: none; }
.arc-balloon.is-popped .arc-balloon-body { animation: arc-popped 0.3s forwards; }
@keyframes arc-popped { to { transform: scale(1.6); opacity: 0; } }
.arc-balloon.is-missed .arc-balloon-body { filter: grayscale(1); opacity: 0.5; }

/* ---------- sort it ---------- */
.arc-sort { position: relative; max-width: 720px; margin: 0 auto; min-height: 420px; display: flex; flex-direction: column; gap: 0.8rem; }
.arc-sort-pile { position: relative; flex: 1; min-height: 190px; display: flex; flex-wrap: wrap; gap: 0.6rem; align-content: center; justify-content: center; padding: 0.5rem; }
.arc-chip { position: relative; display: inline-flex; align-items: center; justify-content: center; min-height: calc(56px * var(--arc-scale)); padding: 0.6rem 1rem; border-radius: 999px; background: #fff; color: #0b1020; font-weight: 800; font-size: calc(0.95rem * var(--arc-scale)); box-shadow: 0 12px 24px -14px rgba(0, 0, 0, 0.8); cursor: grab; user-select: none; -webkit-user-select: none; touch-action: none; transition: transform 0.2s cubic-bezier(0.2, 0.8, 0.2, 1), opacity 0.2s; }
.arc-chip.is-dragging { position: fixed; z-index: 2000; cursor: grabbing; transition: none; transform: scale(1.08) rotate(var(--tilt, 0deg)); box-shadow: 0 30px 40px -20px rgba(0, 0, 0, 0.9); }
.arc-chip.is-placed { pointer-events: none; }
.arc-chip.is-ghost { opacity: 0.25; }
.arc-bins { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; }
.arc-bin { position: relative; min-height: 150px; border-radius: 20px; border: 2px dashed rgba(255, 255, 255, 0.25); background: rgba(255, 255, 255, 0.05); padding: 0.6rem; display: flex; flex-direction: column; gap: 0.4rem; transition: background 0.15s, border-color 0.15s, transform 0.15s; }
.arc-bin-name { text-align: center; font-weight: 900; font-size: calc(0.95rem * var(--arc-scale)); color: var(--cab, #a3e635); margin-bottom: 0.2rem; }
.arc-bin.is-over { background: color-mix(in srgb, var(--cab) 18%, transparent); border-color: var(--cab); transform: scale(1.02); }
.arc-bin.is-right { animation: arc-bin-good 0.4s; } .arc-bin.is-wrong { animation: arc-shake 0.35s; border-color: #f87171; }
@keyframes arc-bin-good { 40% { box-shadow: 0 0 0 6px color-mix(in srgb, var(--cab) 50%, transparent); } }
.arc-bin .arc-chip { min-height: 40px; font-size: 0.85rem; padding: 0.4rem 0.8rem; cursor: default; box-shadow: none; align-self: center; }

/* ---------- boss battle ---------- */
.arc-boss { max-width: 720px; margin: 0 auto; }
.arc-boss-arena { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 0.5rem; margin-bottom: 0.8rem; }
.arc-fighter { text-align: center; }
.arc-fighter-sprite { font-size: 3.6rem; line-height: 1; display: inline-block; filter: drop-shadow(0 8px 16px rgba(0, 0, 0, 0.6)); transition: transform 0.15s; }
.arc-fighter.is-hit .arc-fighter-sprite { animation: arc-hit 0.4s; }
@keyframes arc-hit { 20% { transform: translateX(-10px) rotate(-8deg); filter: brightness(2); } 60% { transform: translateX(8px); } }
.arc-fighter.is-attack .arc-fighter-sprite { animation: arc-attack 0.4s; }
@keyframes arc-attack { 40% { transform: translateX(40px) scale(1.15); } }
.arc-fighter-name { font-size: 0.7rem; letter-spacing: 0.12em; text-transform: uppercase; font-weight: 800; color: #94a3b8; margin-top: 0.3rem; }
.arc-hp { height: 12px; border-radius: 999px; background: rgba(255, 255, 255, 0.12); overflow: hidden; margin-top: 0.35rem; }
.arc-hp > i { display: block; height: 100%; width: 100%; border-radius: inherit; background: linear-gradient(90deg, #ef4444, #f97316); transition: width 0.35s cubic-bezier(0.2, 0.8, 0.2, 1); }
.arc-hearts { font-size: 1.1rem; letter-spacing: 0.1em; margin-top: 0.35rem; }
.arc-hearts .lost { opacity: 0.25; filter: grayscale(1); }
.arc-vs { font-weight: 900; font-size: 1.2rem; color: #fcd34d; text-shadow: 0 0 20px #fcd34d; }

/* ---------- results ---------- */
.arc-results { position: absolute; inset: 0; z-index: 20; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; padding: 1.5rem 1rem; background: radial-gradient(80% 60% at 50% 20%, color-mix(in srgb, var(--cab, #6366f1) 35%, transparent), transparent 70%), rgba(5, 8, 17, 0.97); border-radius: inherit; animation: arc-in 0.4s ease-out; }
.arc-results-eyebrow { font-size: 0.7rem; letter-spacing: 0.16em; text-transform: uppercase; font-weight: 800; color: #94a3b8; }
.arc-results-score { font-size: clamp(3rem, 12vw, 5rem); font-weight: 900; line-height: 1; margin: 0.4rem 0; font-variant-numeric: tabular-nums; background: linear-gradient(180deg, #fff, var(--cab, #c7d2fe)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.arc-results-best { display: inline-flex; gap: 0.4rem; align-items: center; padding: 0.35rem 0.9rem; border-radius: 999px; background: rgba(252, 211, 77, 0.15); border: 1px solid rgba(252, 211, 77, 0.5); color: #fcd34d; font-weight: 900; font-size: 0.85rem; animation: arc-pop 0.6s; }
.arc-results-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.6rem; margin: 1.2rem 0; width: 100%; max-width: 420px; }
.arc-stat { padding: 0.7rem 0.4rem; border-radius: 14px; background: rgba(255, 255, 255, 0.07); }
.arc-stat b { display: block; font-size: 1.3rem; font-weight: 900; font-variant-numeric: tabular-nums; }
.arc-stat span { font-size: 0.65rem; letter-spacing: 0.1em; text-transform: uppercase; color: #94a3b8; font-weight: 800; }
.arc-stat.xp b { color: #a78bfa; } .arc-stat.coins b { color: #fcd34d; }
.arc-results-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.6rem; }
.arc-btn { display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem; min-height: 52px; padding: 0.7rem 1.3rem; border-radius: 14px; border: 0; font-weight: 900; font-size: 0.95rem; cursor: pointer; -webkit-tap-highlight-color: transparent; transition: transform 0.12s; }
.arc-btn:active { transform: scale(0.97); }
.arc-btn-primary { background: var(--cab, #6366f1); color: #0b1020; box-shadow: 0 12px 28px -12px var(--cab, #6366f1); }
.arc-btn-ghost { background: rgba(255, 255, 255, 0.1); color: #fff; }
.arc-results-note { font-size: 0.75rem; color: #94a3b8; margin-top: 0.8rem; max-width: 360px; }
.arc-confetti { position: absolute; inset: 0; pointer-events: none; z-index: 21; }

/* ---------- toast / errors ---------- */
.arc-toast { position: absolute; left: 50%; bottom: 1.2rem; transform: translateX(-50%); padding: 0.6rem 1rem; border-radius: 12px; background: #fff; color: #0b1020; font-weight: 700; font-size: 0.85rem; z-index: 30; animation: arc-in 0.25s; box-shadow: 0 10px 30px -10px rgba(0,0,0,.6); }

/* ---------- responsive ---------- */
@media (max-width: 520px) {
	.arc-band-dial { grid-template-columns: repeat(2, 1fr); }
	.arc-wall { grid-template-columns: repeat(2, 1fr); gap: 0.75rem; }
	.arc-cab-screen { aspect-ratio: 1 / 1; }
	.arc-cab-tag { display: none; }
	.arc-cab-joy { display: none; }
	.arc-cab-play-label { font-size: 0.8rem; }
	.arc-options { grid-template-columns: 1fr; }
	.arc-grid { gap: 0.45rem; }
	.arc-sky { height: 340px; }
	.arc-results-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (prefers-reduced-motion: reduce) {
	.arc-marquee-lights span, .arc-cab-icon, .arc-title-glow, .arc-balloon-body { animation: none; }
	.arc-cab, .arc-tile-inner { transition: none; }
}
html[data-theme="dark"] .arc { --arc-surface: var(--cd-card, #111827); }