:root{color-scheme:dark;--bg:#030706;--panel:#08110c;--paper:#edf7f0;--muted:#72847a;--green:#59ff88;--cyan:#4ee8ff;--red:#ff526a;--line:rgba(237,247,240,.14)}
*{box-sizing:border-box}html,body{width:100%;height:100%;margin:0;background:var(--bg);color:var(--paper);font-family:Inter,"Segoe UI",Arial,sans-serif}body{overflow:hidden}button,input{font:inherit}button{color:inherit}.hidden{display:none!important}
.language-gate{position:fixed;inset:0;z-index:50;display:grid;place-items:center;padding:20px;background:radial-gradient(circle at 50% 25%,rgba(89,255,136,.12),transparent 32%),#030706}.language-card{width:min(620px,100%);padding:clamp(28px,6vw,64px);border:1px solid var(--line);background:linear-gradient(145deg,#0c1711,#040805);box-shadow:0 35px 100px #000}.language-card small{color:var(--green);font-size:9px;font-weight:900;letter-spacing:.22em}.language-card h1{margin:15px 0 10px;font-size:clamp(40px,7vw,72px);line-height:.9;letter-spacing:-.055em}.language-card p{color:var(--muted);line-height:1.55}.language-options{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:28px}.language-options button{min-height:82px;display:flex;align-items:center;justify-content:space-between;padding:20px;border:1px solid var(--line);background:#07100c;cursor:pointer}.language-options button:hover{border-color:var(--green)}.language-options strong{color:var(--green);font-size:20px}.language-options span{font-weight:800}
.game-app{position:fixed;inset:0;display:grid;grid-template-rows:64px 1fr 42px;background:radial-gradient(circle at 50% 20%,rgba(89,255,136,.06),transparent 32%),var(--bg)}.game-header{z-index:5;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;padding:0 20px;border-bottom:1px solid var(--line);background:rgba(3,7,5,.92);backdrop-filter:blur(10px)}.back{color:#829389;text-decoration:none;font-size:9px;font-weight:900;letter-spacing:.13em}.game-title{text-align:center}.game-title small{display:block;color:var(--green);font-size:7px;letter-spacing:.2em}.game-title strong{font-size:15px;letter-spacing:.06em}.header-tools{display:flex;align-items:center;justify-content:flex-end;gap:10px}.best-box{display:flex;flex-direction:column;text-align:right}.best-box small{color:#66776d;font-size:7px;letter-spacing:.12em}.best-box b{font-size:14px}.language-button,.icon-button{min-width:40px;height:36px;border:1px solid var(--line);background:#08110c;font-size:9px;font-weight:900;cursor:pointer}.language-button:hover,.icon-button:hover{border-color:var(--green)}
.game-stage{position:relative;min-height:0;overflow:hidden}.game-stage canvas{display:block;width:100%;height:100%;touch-action:none}.game-overlay{position:absolute;z-index:8;inset:0;display:grid;place-items:center;padding:20px;background:rgba(3,7,5,.76);backdrop-filter:blur(8px)}.overlay-card{width:min(520px,100%);padding:clamp(26px,5vw,48px);border:1px solid var(--line);background:linear-gradient(145deg,rgba(13,25,17,.98),rgba(4,8,5,.98));text-align:center}.overlay-card small{color:var(--green);font-size:8px;font-weight:900;letter-spacing:.2em}.overlay-card h1{margin:15px 0;font-size:clamp(40px,7vw,72px);line-height:.88;letter-spacing:-.055em}.overlay-card p{margin:0 auto 24px;color:var(--muted);font-size:13px;line-height:1.55}.primary{width:100%;min-height:54px;border:0;color:#061008;background:var(--green);font-weight:950;letter-spacing:.1em;cursor:pointer}.primary:hover{filter:brightness(1.1)}.session-result{min-height:22px;margin:12px 0 0;color:#a1b2a7;font-size:10px}.hud{position:absolute;z-index:4;left:18px;right:18px;top:16px;display:flex;align-items:center;justify-content:space-between;pointer-events:none}.hud-group{display:flex;gap:8px}.hud-box{min-width:92px;padding:10px 12px;border:1px solid var(--line);background:rgba(4,10,6,.74);backdrop-filter:blur(6px)}.hud-box small{display:block;color:#687a70;font-size:6px;letter-spacing:.14em}.hud-box strong{display:block;margin-top:4px;font-size:20px;font-variant-numeric:tabular-nums}.hud .icon-button{pointer-events:auto}.game-footer{display:flex;align-items:center;justify-content:space-between;padding:0 18px;border-top:1px solid var(--line);color:#58695f;background:#050a07;font-size:7px;letter-spacing:.1em}.touch-pair{position:absolute;z-index:5;left:0;right:0;bottom:18px;display:none;justify-content:space-between;padding:0 20px;pointer-events:none}.touch-pair button{width:84px;height:84px;border:1px solid rgba(255,255,255,.2);border-radius:50%;background:rgba(4,12,7,.5);font-size:38px;pointer-events:auto;touch-action:none}
.puzzle-stage{height:100%;display:grid;place-items:center;padding:70px 16px 16px}.tube-board{display:flex;align-items:flex-end;justify-content:center;flex-wrap:wrap;gap:16px}.tube{width:64px;height:190px;display:flex;flex-direction:column-reverse;justify-content:flex-start;gap:3px;padding:8px 8px 13px;border:3px solid rgba(210,236,222,.34);border-top:0;border-radius:0 0 20px 20px;background:rgba(255,255,255,.025);cursor:pointer;transition:.16s}.tube:hover,.tube.selected{border-color:var(--green);transform:translateY(-8px)}.liquid{height:38px;border-radius:6px;box-shadow:inset 0 0 12px rgba(255,255,255,.18)}.puzzle-actions{display:flex;justify-content:center;gap:8px;margin-top:28px}.puzzle-actions button{padding:11px 15px;border:1px solid var(--line);background:#08110c;color:#9aaba1;font-size:8px;font-weight:900;letter-spacing:.1em;cursor:pointer}
@media (pointer:coarse),(max-width:760px){.game-app{grid-template-rows:56px 1fr 34px}.game-header{padding:0 10px}.back{font-size:7px}.back span{display:none}.game-title strong{font-size:12px}.best-box{display:none}.hud{left:10px;right:10px;top:10px}.hud-box{min-width:75px;padding:8px}.hud-box strong{font-size:16px}.touch-pair{display:flex}.game-footer{padding:0 10px;font-size:6px}.language-options{grid-template-columns:1fr}.tube{width:52px;height:158px;padding:6px}.liquid{height:31px}}