:root {
    --ink: #f3e9d4; --dim: #b8a684; --brass: #d4ab55; --brass-d: #8a6a2a; --red: #e0402e; --bg: #140d08;
    --card: #21160e; --line: rgba(243, 233, 212, .16);
    --display: "Fraunces", Georgia, serif; --mono: "IBM Plex Mono", ui-monospace, monospace;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; background: var(--bg); color: var(--ink); font: 500 16px/1.45 var(--mono); overflow: hidden; -webkit-tap-highlight-color: transparent; }
body::before { /* the workbench: a warm lamp pool on dark walnut */
    content: ""; position: fixed; inset: 0; z-index: -1;
    background:
        radial-gradient(ellipse 70% 60% at 50% 42%, rgba(255, 190, 110, .22), transparent 70%),
        repeating-linear-gradient(92deg, rgba(0, 0, 0, .18) 0 2px, transparent 2px 9px),
        repeating-linear-gradient(88deg, rgba(255, 220, 170, .03) 0 1px, transparent 1px 23px),
        linear-gradient(#24170e, #0e0805);
}
#view { position: fixed; inset: 0; width: 100%; height: 100%; display: block; touch-action: none; }
[hidden] { display: none !important; }

.screen { position: fixed; inset: 0; display: grid; place-items: center; padding: max(16px, env(safe-area-inset-top)) max(16px, env(safe-area-inset-right)) max(16px, env(safe-area-inset-bottom)) max(16px, env(safe-area-inset-left)); overflow: auto; }
.screen.menu { place-items: start center; align-content: start; gap: 12px; background: rgba(12, 8, 5, .82); backdrop-filter: blur(3px); }
#game.screen { display: block; pointer-events: none; padding: 0; }
#game .hud, #game .turns, #game .back, #game .overlay, #game .ib { pointer-events: auto; }

/* title */
#title { background: radial-gradient(ellipse at 50% 30%, rgba(20, 12, 6, .1), rgba(12, 8, 5, .75) 70%); }
.title-box { text-align: center; max-width: 620px; animation: rise .8s cubic-bezier(.2, .9, .2, 1) both; }
.kicker { letter-spacing: .25em; text-transform: uppercase; font-size: 11px; color: var(--brass); margin: 0 0 4px; }
h1 { font: 900 clamp(64px, 15vw, 132px)/.9 var(--display); margin: 0; letter-spacing: -.02em; color: var(--ink);
    text-shadow: 0 2px 0 #6b4024, 0 6px 0 #33200f, 0 14px 30px rgba(0, 0, 0, .7); }
h1 span { color: var(--red); padding: 0 .04em; display: inline-block; animation: tick 1s steps(1) infinite; }
.tag { color: var(--dim); max-width: 470px; margin: 14px auto 22px; font-size: 15px; }
.col { display: grid; gap: 10px; justify-items: center; }
.ed-row { color: var(--dim); font-size: 13px; margin-top: 18px; }
@keyframes rise { from { opacity: 0; transform: translateY(24px); } }
@keyframes tick { 50% { opacity: .25; } }

/* buttons */
.btn { font: 700 15px var(--mono); color: var(--ink); background: linear-gradient(#3a2818, #24170e); border: 1px solid var(--line); border-radius: 10px;
    padding: 10px 16px; cursor: pointer; text-decoration: none; display: inline-flex; align-items: center; justify-content: center; gap: 6px;
    box-shadow: 0 3px 0 #0a0603, inset 0 1px 0 rgba(255, 255, 255, .08); transition: transform .08s, filter .15s; }
.btn:hover { filter: brightness(1.15); }
.btn:active { transform: translateY(2px); box-shadow: 0 1px 0 #0a0603; }
.btn.big { font-size: 17px; padding: 14px 22px; min-width: min(340px, 86vw); }
.btn.gold { background: linear-gradient(#f0cf7a, #b8892f); color: #2a1a08; border-color: #f7dc94; box-shadow: 0 3px 0 #6a4a14, inset 0 1px 0 rgba(255, 255, 255, .5); }
.btn.ghost { background: transparent; box-shadow: none; }
.link { background: none; border: 0; color: var(--brass); font: inherit; text-decoration: underline; cursor: pointer; padding: 0; }
.hint { color: var(--dim); font-size: 14px; }
.center { text-align: center; }
.url { color: var(--brass); font-weight: 700; }
.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.row.center { justify-content: center; }

/* menus */
.bar { display: grid; grid-template-columns: auto 1fr auto; gap: 12px; align-items: center; width: min(820px, 100%); }
.bar h2 { font: 800 26px var(--display); margin: 0; text-align: center; }
.ed-pill { font-size: 12px; color: var(--brass); border: 1px solid var(--brass-d); border-radius: 99px; padding: 3px 10px; }
.level-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; width: min(820px, 100%); grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); counter-reset: lv; }
.level-list li button { width: 100%; text-align: left; display: grid; grid-template-columns: 46px 1fr; gap: 2px 12px; padding: 12px 14px; border-radius: 12px;
    background: linear-gradient(135deg, #2e1f13, #1b120b); border: 1px solid var(--line); color: var(--ink); font: inherit; cursor: pointer; position: relative; overflow: hidden;
    animation: rise .5s both; animation-delay: calc(var(--i) * 60ms); }
.level-list li button:hover { border-color: var(--brass); }
.level-list .num { grid-row: span 3; font: 900 34px/1 var(--display); color: var(--brass); align-self: center; }
.level-list .nm { font: 800 19px var(--display); }
.level-list .bl { font-size: 12.5px; color: var(--dim); }
.level-list .meta { font-size: 12px; color: var(--brass); }
.level-list .done { position: absolute; right: 10px; top: 8px; font-size: 12px; color: #6be08a; }
.custom { width: min(820px, 100%); border: 1px solid var(--line); border-radius: 12px; padding: 10px 14px; background: rgba(33, 22, 14, .8); }
.custom summary { cursor: pointer; font: 800 17px var(--display); }
.custom-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 10px 16px; margin: 12px 0; }
.custom-grid label { display: grid; grid-template-columns: 1fr auto; gap: 4px 8px; font-size: 13px; color: var(--dim); align-items: center; }
.custom-grid input[type=range] { grid-column: 1 / -1; grid-row: 2; accent-color: var(--brass); }
.custom-grid select, .custom-grid input:not([type]) { grid-column: 1 / -1; font: inherit; background: #120b06; color: var(--ink); border: 1px solid var(--line); border-radius: 8px; padding: 6px 8px; }
.mod-picks { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }
.mod-picks label { font-size: 12.5px; border: 1px solid var(--line); border-radius: 99px; padding: 4px 10px; cursor: pointer; user-select: none; }
.mod-picks input { display: none; }
.mod-picks label:has(input:checked) { background: var(--brass); color: #2a1a08; border-color: var(--brass); }
.mod-picks label.needy:has(input:checked) { background: var(--red); color: #fff; border-color: var(--red); }

/* game */
.hud { position: absolute; top: 0; left: 0; right: 0; display: flex; justify-content: space-between; align-items: flex-start; padding: max(10px, env(safe-area-inset-top)) max(10px, env(safe-area-inset-right)) 0 max(10px, env(safe-area-inset-left)); pointer-events: none; }
.hud-left, .hud-right { display: flex; gap: 8px; align-items: center; pointer-events: auto; }
.pill { white-space: nowrap; background: rgba(10, 6, 3, .75); border: 1px solid var(--line); border-radius: 10px; padding: 5px 10px; font-weight: 700; }
.pill.clock { font-size: 22px; color: #ff4a36; letter-spacing: .04em; min-width: 84px; text-align: center; text-shadow: 0 0 10px rgba(255, 60, 40, .5); }
.pill.clock.fast { animation: tick .5s steps(1) infinite; }
.pill.strikes { color: var(--red); letter-spacing: .1em; }
.pill.left { color: var(--dim); font-size: 13px; }
.ib { width: 44px; height: 44px; border-radius: 12px; border: 1px solid var(--line); background: rgba(20, 13, 8, .8); color: var(--ink); font-size: 18px; cursor: pointer; display: grid; place-items: center; padding: 0; }
.ib:active { transform: translateY(1px); background: #3a2818; }
.turns { position: absolute; left: max(12px, env(safe-area-inset-left)); bottom: max(12px, env(safe-area-inset-bottom)); display: grid; justify-items: center; gap: 4px; }
.turns div { display: flex; gap: 44px; }
.back { position: absolute; right: max(12px, env(safe-area-inset-right)); bottom: max(12px, env(safe-area-inset-bottom)); }
.game-hint { position: absolute; left: 50%; bottom: max(14px, env(safe-area-inset-bottom)); transform: translateX(-50%); margin: 0; width: min(560px, calc(100vw - 220px)); text-align: center; font-size: 12.5px; color: var(--dim);
    background: rgba(10, 6, 3, .6); border-radius: 10px; padding: 6px 10px; animation: fade 1s 10s forwards; }
@keyframes fade { to { opacity: 0; } }
.flash { position: absolute; inset: 0; pointer-events: none; opacity: 0; }
.flash.strike { animation: strike .5s; background: radial-gradient(circle, transparent 40%, rgba(255, 30, 20, .55)); }
.flash.boom { animation: boom 1.6s forwards; background: #fff; }
@keyframes strike { 0% { opacity: 1; } 100% { opacity: 0; } }
@keyframes boom { 0% { opacity: 1; background: #fff; } 25% { opacity: 1; background: #ffb060; } 100% { opacity: .5; background: #0a0503; } }

/* overlays */
.overlay { position: fixed; inset: 0; display: grid; place-items: center; background: rgba(8, 5, 3, .72); z-index: 10; padding: 16px; }
.card { background: linear-gradient(#2a1c11, #1a110a); border: 1px solid var(--brass-d); border-radius: 16px; padding: 22px; max-width: 560px; width: 100%; text-align: center; box-shadow: 0 20px 60px rgba(0, 0, 0, .6); animation: rise .4s both; }
.card h2 { font: 900 34px var(--display); margin: 0 0 6px; }
.card.help { text-align: left; max-height: 90vh; overflow: auto; }
.card.help li { margin-bottom: 6px; font-size: 14px; }
.card.help h2 { text-align: center; }
.card.help .btn { display: flex; margin: 10px auto 0; }
.win h2 { color: #8cf0a0; } .lose h2 { color: var(--red); }
.toast { position: fixed; left: 50%; top: 70px; transform: translateX(-50%); background: #000c; color: var(--ink); padding: 10px 16px; border-radius: 10px; z-index: 20; font-size: 14px; }

@media (max-height: 480px) {
    h1 { font-size: 70px; } .tag { margin: 6px auto 12px; font-size: 13px; } .btn.big { padding: 10px 18px; font-size: 15px; }
    .ib { width: 40px; height: 40px; } .turns div { gap: 40px; }
    .game-hint { width: min(460px, calc(100vw - 200px)); }
}
@media (max-width: 560px) { .game-hint { display: none; } }