:root {
  --font-display: 'Chillax', system-ui, sans-serif;
  --font-body: 'Satoshi', system-ui, sans-serif;
  --color-bg: #0b0f0a;
  --color-surface: rgba(14, 19, 13, 0.78);
  --color-surface-2: rgba(255, 255, 255, 0.06);
  --color-border: rgba(255, 240, 210, 0.18);
  --color-text: #f6f1e3;
  --color-text-muted: #b3b79f;
  --color-primary: #f2a63b;
  --color-danger: #e2513f;
  --color-good: #8fd06a;
  --color-cool: #6fa8d6;
  --text-xs: 12px;
  --text-sm: 14px;
  --text-base: 16px;
  --text-lg: 20px;
  --text-xl: 30px;
  --text-2xl: 44px;
  --space-1: 4px; --space-2: 8px; --space-3: 12px; --space-4: 16px; --space-6: 24px; --space-8: 32px;
  --panel-radius: 14px;
  --transition-ui: 180ms cubic-bezier(0.16, 1, 0.3, 1);
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; overflow: hidden; background: var(--color-bg); }
body {
  font-family: var(--font-body);
  color: var(--color-text);
  -webkit-tap-highlight-color: transparent;
  user-select: none; -webkit-user-select: none;
  display: grid; place-items: center;
}

/* ---------- letterboxed 16:9 stage ---------- */
.stage {
  position: relative;
  width: min(100vw, calc(100vh * 16 / 9));
  height: min(100vh, calc(100vw * 9 / 16));
  overflow: hidden;
  background: #16200f;
}
canvas { display: block; width: 100%; height: 100%; touch-action: none; }

#bg-art { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
           opacity: 0; transition: opacity 320ms ease; }
body[data-mode="boot"] #bg-art, body[data-mode="title"] #bg-art { opacity: 1; }
body[data-mode="boot"] canvas, body[data-mode="title"] canvas { opacity: 0; }
canvas { transition: opacity 320ms ease; }

.layer { position: absolute; inset: 0; pointer-events: none; }
.layer button, .layer [data-interactive] { pointer-events: auto; }

/* ---------- HUD ---------- */
.hud { opacity: 0; transition: opacity var(--transition-ui);
       padding: clamp(8px, 1.4vw, 18px); display: flex; flex-direction: column; gap: 8px; }
body[data-mode="playing"] .hud, body[data-mode="paused"] .hud { opacity: 1; }
.hud-row { display: flex; align-items: flex-start; justify-content: space-between; gap: 10px; }
.hud-row.bars { gap: 8px; align-items: center; }
.chips, .hud-right { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.chip { display: flex; align-items: baseline; gap: 6px; padding: 6px 11px;
        background: var(--color-surface); border: 1px solid var(--color-border);
        border-radius: 999px; backdrop-filter: blur(10px); }
.chip .label, .chip .ico { font-size: var(--text-xs); font-weight: 700; letter-spacing: .08em;
               text-transform: uppercase; color: var(--color-text-muted); }
.chip .value { font-size: var(--text-base); font-weight: 900;
               font-variant-numeric: tabular-nums lining-nums; }
.chip.goal .ico, .chip.goal .value { color: var(--color-primary); }
.chip.coins .ico, .chip.coins .value { color: #ffd772; }
.chip.lives .value { color: var(--color-danger); letter-spacing: .06em; }

.meter { position: relative; width: 132px; height: 20px; border-radius: 999px; overflow: hidden;
         background: var(--color-surface); border: 1px solid var(--color-border); }
.meter span { position: absolute; inset: 0; transform-origin: left center; transform: scaleX(0);
              background: var(--color-cool); transition: transform 90ms linear; }
.meter.power span { background: var(--color-primary); }
.meter b { position: absolute; inset: 0; display: grid; place-items: center;
           font-size: 10px; font-weight: 900; letter-spacing: .14em; text-transform: uppercase;
           color: #0d1109; }
.meter[hidden] { display: none; }

.banner { position: absolute; left: 50%; bottom: 16%; transform: translate(-50%, 12px);
          font-family: var(--font-display); font-weight: 700; text-align: center;
          font-size: clamp(17px, 2.4vw, 27px); padding: 0 var(--space-4); max-width: 82%;
          opacity: 0; transition: opacity 200ms ease, transform 200ms ease;
          text-shadow: 0 2px 6px rgba(0,0,0,.8), 0 0 18px rgba(0,0,0,.5); }
.banner.show { opacity: 1; transform: translate(-50%, 0); }

.icon-btn { width: 36px; height: 36px; border-radius: 11px; display: grid; place-items: center;
            background: var(--color-surface); color: var(--color-text);
            border: 1px solid var(--color-border); backdrop-filter: blur(10px);
            cursor: pointer; transition: var(--transition-ui); font-size: var(--text-sm); }
.icon-btn:hover { background: rgba(242,166,59,.22); border-color: var(--color-primary); }
.icon-btn:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; }

/* ---------- touch controls ---------- */
.touch-controls { position: absolute; inset: auto 0 0 0; height: 46%; }
.touch-controls[hidden] { display: none; }
.stick { position: absolute; left: 4%; bottom: 8%; width: 118px; height: 118px; border-radius: 50%;
         background: rgba(10,14,9,.35); border: 1px solid var(--color-border); pointer-events: auto; }
.stick i { position: absolute; left: 50%; top: 50%; width: 48px; height: 48px; margin: -24px 0 0 -24px;
           border-radius: 50%; background: rgba(246,241,227,.5); transition: transform 60ms linear; }
.dash-btn { position: absolute; right: 5%; bottom: 10%; width: 92px; height: 92px; border-radius: 50%;
            background: rgba(242,166,59,.85); color: #17110a; border: 0; cursor: pointer;
            font-family: var(--font-body); font-weight: 900; font-size: var(--text-sm); letter-spacing: .08em; }
.dash-btn:active { transform: scale(.94); }

/* ---------- screens ---------- */
.screen { display: grid; place-items: center; padding: clamp(14px, 3vw, 30px);
          background: radial-gradient(circle at 50% 42%, rgba(11,15,10,.46), rgba(6,9,6,.86)); }
#screen-levels, #screen-shop { background: radial-gradient(circle at 50% 42%, rgba(11,15,10,.66), rgba(5,8,5,.9)); }
.screen[hidden] { display: none; }
.screen .cover { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
#screen-title { background: none; }
#screen-title::after { content: ''; position: absolute; inset: 0;
  background: radial-gradient(circle at 50% 46%, rgba(8,12,7,.34), rgba(5,8,5,.80)); }

.card { position: relative; z-index: 2; pointer-events: auto; width: min(520px, 100%); max-height: 100%; overflow-y: auto;
        padding: clamp(16px, 2.6vw, 30px);
        background: var(--color-surface); border: 1px solid var(--color-border);
        border-radius: var(--panel-radius); backdrop-filter: blur(16px);
        box-shadow: 0 26px 70px rgba(0,0,0,.6); text-align: center; }
.card.wide { width: min(720px, 100%); }
.card.small { width: min(400px, 100%); }

.brandline { display: flex; align-items: center; justify-content: center; gap: 9px;
             color: var(--color-primary); margin-bottom: 10px; }
.brandline span { font-family: var(--font-display); font-weight: 700; font-size: var(--text-xs);
                  letter-spacing: .2em; text-transform: uppercase; color: var(--color-text-muted); }
h1 { font-family: var(--font-display); font-weight: 700; margin: 0;
     font-size: clamp(30px, 6.4vw, var(--text-2xl)); line-height: 1.02; }
h1 em { font-style: normal; color: var(--color-primary); }
h2 { font-family: var(--font-display); font-weight: 700; margin: 0 0 8px;
     font-size: clamp(21px, 3.4vw, var(--text-xl)); line-height: 1.1; }
.eyebrow { font-size: var(--text-xs); font-weight: 900; letter-spacing: .18em;
           text-transform: uppercase; color: var(--color-primary); margin-bottom: 6px; }
.lede { margin: 10px auto 18px; max-width: 46ch; font-size: var(--text-base); line-height: 1.5;
        color: var(--color-text-muted); }
.lede.small { font-size: var(--text-sm); margin-bottom: 12px; }
.row { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
.foot { margin: 14px 0 0; font-size: var(--text-xs); color: var(--color-text-muted); }

.btn { font-family: var(--font-body); font-size: var(--text-base); font-weight: 900;
       padding: 12px 24px; border: 0; border-radius: 999px; cursor: pointer;
       background: var(--color-primary); color: #17110a; transition: var(--transition-ui); }
.btn:hover { transform: translateY(-2px); box-shadow: 0 10px 22px rgba(242,166,59,.32); }
.btn:focus-visible { outline: 2px solid var(--color-text); outline-offset: 3px; }
.btn.ghost { background: var(--color-surface-2); color: var(--color-text);
             border: 1px solid var(--color-border); }
.btn.ghost:hover { box-shadow: none; background: rgba(255,255,255,.12); }
.btn.reward { background: var(--color-good); color: #10200a; font-size: var(--text-sm); }
.btn.reward:hover { box-shadow: 0 10px 22px rgba(143,208,106,.3); }
.btn[disabled] { opacity: .45; cursor: not-allowed; transform: none; box-shadow: none; }

.stats { display: flex; justify-content: center; gap: var(--space-6); margin: 14px 0 18px; }
.stat { min-width: 76px; }
.stat .v { font-family: var(--font-display); font-weight: 700; font-size: var(--text-xl);
           font-variant-numeric: tabular-nums; color: var(--color-primary); }
.stat .k { font-size: var(--text-xs); font-weight: 700; letter-spacing: .1em;
           text-transform: uppercase; color: var(--color-text-muted); }
.rank { font-family: var(--font-display); font-weight: 700; font-size: var(--text-lg);
        color: var(--color-good); }
.stars { font-size: 30px; letter-spacing: .12em; color: var(--color-primary); margin: 4px 0 2px; }
.stars .off { color: rgba(255,255,255,.18); }

.brief { list-style: none; margin: 0 auto 18px; padding: 0; max-width: 40ch; text-align: left;
         display: flex; flex-direction: column; gap: 7px; }
.brief li { display: flex; gap: 9px; align-items: flex-start; font-size: var(--text-sm);
            color: var(--color-text-muted); }
.brief li b { color: var(--color-text); font-weight: 900; }
.brief li i { width: 9px; height: 9px; border-radius: 3px; margin-top: 6px; flex: none;
              background: var(--color-primary); }

/* ---------- level select ---------- */
.level-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
              gap: 10px; margin: 16px 0 18px; }
.level-card { pointer-events: auto; text-align: left; padding: 12px 13px; border-radius: 12px;
              background: var(--color-surface-2); border: 1px solid var(--color-border);
              color: var(--color-text); cursor: pointer; transition: var(--transition-ui);
              font-family: var(--font-body); }
.level-card:hover:not([disabled]) { border-color: var(--color-primary); transform: translateY(-2px); }
.level-card .n { font-size: var(--text-xs); font-weight: 900; letter-spacing: .12em;
                 text-transform: uppercase; color: var(--color-text-muted); }
.level-card .t { font-family: var(--font-display); font-weight: 700; font-size: var(--text-base);
                 margin: 3px 0 5px; }
.level-card .s { font-size: var(--text-xs); color: var(--color-primary); letter-spacing: .08em; }
.level-card[disabled] { opacity: .4; cursor: not-allowed; }

/* ---------- shop ---------- */
.shop-wallet { font-size: var(--text-sm); color: var(--color-text-muted); margin-bottom: 10px; }
.shop-wallet b { color: #ffd772; font-size: var(--text-base); }
.shop-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
             gap: 10px; margin-bottom: 18px; }
.shop-item { pointer-events: auto; padding: 12px; border-radius: 12px; text-align: left;
             background: var(--color-surface-2); border: 1px solid var(--color-border);
             color: var(--color-text); cursor: pointer; font-family: var(--font-body);
             transition: var(--transition-ui); display: flex; gap: 10px; align-items: center; }
.shop-item:hover:not([disabled]) { border-color: var(--color-primary); }
.shop-item[disabled] { cursor: default; }
.shop-item.owned { border-color: var(--color-good); }
.shop-item .swatch { width: 34px; height: 34px; border-radius: 9px; flex: none;
                     display: grid; place-items: center; font-size: 17px; }
.shop-item > span:last-child { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.shop-item .t { display: block; font-weight: 900; font-size: var(--text-sm); line-height: 1.25; }
.shop-item .p { display: block; font-size: var(--text-xs); line-height: 1.35;
                color: var(--color-text-muted); }
.shop-item.owned .p { color: var(--color-good); }

/* ---------- sliders ---------- */
.sliders { display: flex; flex-direction: column; gap: 10px; margin: 6px auto 18px; max-width: 280px; }
.sliders label { display: flex; align-items: center; justify-content: space-between; gap: 12px;
                 font-size: var(--text-sm); color: var(--color-text-muted); }
.sliders input { flex: 1; accent-color: var(--color-primary); }

/* ---------- ad overlay ---------- */
.adbar { height: 8px; border-radius: 999px; background: var(--color-surface-2); overflow: hidden; }
.adbar span { display: block; height: 100%; width: 0%; background: var(--color-good);
              transition: width 120ms linear; }

.dbg { position: absolute; bottom: 10px; left: 10px; font-size: var(--text-xs);
       font-variant-numeric: tabular-nums; color: var(--color-text-muted); line-height: 1.5;
       background: var(--color-surface); border: 1px solid var(--color-border);
       border-radius: 8px; padding: 6px 9px; white-space: pre; }
.dbg[hidden] { display: none; }

@media (max-width: 620px) {
  .chip .label { display: none; }
  .meter { width: 96px; }
  .stats { gap: var(--space-4); }
}
@media (hover: none) {
  .btn:hover { transform: none; box-shadow: none; }
}


/* ---------- Portrait rotate hint ---------- */
#rotate-hint { display: none; position: fixed; inset: 0; z-index: 90;
               background: #0a0d09; color: var(--color-text);
               place-items: center; text-align: center; padding: 24px; }
#rotate-hint h2 { font-family: var(--font-display); font-size: var(--text-xl); margin: 8px 0 6px; }
#rotate-hint p { color: var(--color-text-muted); }
#rotate-hint .rot-icon { font-size: 54px; color: var(--color-accent); animation: rot 2.4s ease-in-out infinite; }
@keyframes rot { 0%, 100% { transform: rotate(-12deg); } 50% { transform: rotate(78deg); } }

@media (orientation: portrait) and (max-width: 860px) {
  #rotate-hint { display: grid; }
}
@media (max-width: 860px) {
  #touch-controls .stick { width: min(26vw, 130px); height: min(26vw, 130px); }
  #touch-controls .dash-btn { width: min(20vw, 104px); height: min(20vw, 104px); font-size: 13px; }
}