:root{color-scheme:dark;--bg: #f2fbff;--panel: rgba(255, 255, 255, .76);--line: #7db2d6;--text: #12304f;--accent: #3ec8ff;--danger: #ff6b8a;--success: #4fe28d}*{box-sizing:border-box}html,body,#app{margin:0;min-height:100%;width:100%}body{background:radial-gradient(circle at top,rgba(126,216,255,.7),transparent 32%),linear-gradient(180deg,#e8fbff 0%,#dff6ff 42%,var(--bg) 100%);color:var(--text);font-family:Trebuchet MS,Avenir Next,Segoe UI,sans-serif}.game-shell{--telegram-safe-area-inset-top: 0px;--telegram-safe-area-inset-right: 0px;--telegram-safe-area-inset-bottom: 0px;--telegram-safe-area-inset-left: 0px;--telegram-content-safe-area-inset-top: 0px;--telegram-content-safe-area-inset-right: 0px;--telegram-content-safe-area-inset-bottom: 0px;--telegram-content-safe-area-inset-left: 0px;min-height:100vh;min-height:100dvh;display:grid;grid-template-rows:auto 1fr auto;padding:max(env(safe-area-inset-top),var(--telegram-content-safe-area-inset-top)) max(env(safe-area-inset-right),var(--telegram-content-safe-area-inset-right)) max(env(safe-area-inset-bottom),var(--telegram-content-safe-area-inset-bottom)) max(env(safe-area-inset-left),var(--telegram-content-safe-area-inset-left))}.game-header,.game-footer{padding:12px 16px;border-color:var(--line);background:#ffffffb8;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);color:var(--text)}.game-header{border-bottom:1px solid var(--line)}.game-footer{border-top:1px solid var(--line);display:flex;gap:16px;justify-content:space-between;flex-wrap:wrap}.canvas-wrap{position:relative;min-height:0;display:grid;place-items:center;padding:24px}.stage-shell{--stage-shell-padding: 24px;--shell-panel-inset: 26px;--shell-home-columns: 2;width:min(100%,1440px);height:100%;min-height:0;display:grid;place-items:center;position:relative;overflow:hidden;padding:var(--stage-shell-padding);border:1px solid rgba(125,178,214,.8);border-radius:28px;background:linear-gradient(180deg,#ffffffd1,#ecfaffd6),radial-gradient(circle at top,rgba(126,216,255,.22),transparent 42%);box-shadow:0 32px 90px #4994bc33}.game-canvas{display:block;width:auto;height:auto;max-width:100%;max-height:100%;touch-action:none;border:2px solid rgba(255,255,255,.75);border-radius:22px;box-shadow:0 28px 88px #437fa53d}.shell-button{touch-action:manipulation}.stage-overlay{position:absolute;top:calc(var(--shell-panel-inset) + 6px);left:var(--shell-panel-inset);padding:18px 20px;border:1px solid var(--line);background:#ffffffe0;max-width:400px;border-radius:22px;box-shadow:0 18px 48px #3b6f9129;opacity:0;transform:translateY(8px);transition:opacity .12s ease,transform .12s ease,border-color .12s ease;pointer-events:none}.victory-panel{position:absolute;right:var(--shell-panel-inset);bottom:var(--shell-panel-inset);max-width:420px;max-height:calc(100% - (var(--shell-panel-inset) * 2));overflow:auto;padding:20px;border-radius:24px;border:1px solid rgba(79,226,141,.82);background:linear-gradient(180deg,#fffffff2,#ecfff4f0),radial-gradient(circle at top right,rgba(79,226,141,.2),transparent 42%);box-shadow:0 18px 48px #3b6f912e;display:none}.victory-panel.is-visible{display:grid;gap:14px}.victory-panel-title,.victory-panel-body,.victory-panel-detail{margin:0}.victory-panel-title{color:#113252;font-size:1.5rem}.victory-panel-body,.victory-panel-detail{color:#234260;line-height:1.45}.victory-panel-actions{display:flex;flex-wrap:wrap;gap:10px}.victory-panel-actions .shell-button{opacity:1;transform:translateY(0)}.stage-overlay.is-hidden-by-shell,.game-hud.is-hidden-by-shell{opacity:0;pointer-events:none}.stage-overlay.is-visible{opacity:1;transform:translateY(0)}.stage-overlay[data-accent=danger]{border-color:#ff6b8ac7}.stage-overlay[data-accent=success]{border-color:#4fe28dc7}.stage-overlay-title{margin:0 0 10px;font-size:1.5rem;color:#113252}.stage-overlay-body p{margin:0 0 8px;line-height:1.4;color:#234260}.stage-overlay-body p:last-child{margin-bottom:0}.game-hud{position:absolute;top:calc(var(--shell-panel-inset) + 6px);right:var(--shell-panel-inset);display:grid;gap:12px;min-width:240px;max-width:min(320px,calc(100% - (var(--shell-panel-inset) * 2)));transition:opacity .12s ease}.shell-utility-bar{position:absolute;top:calc(var(--shell-panel-inset) + 6px);left:50%;transform:translate(-50%);pointer-events:none;z-index:4}.shell-utility-bar .shell-button{opacity:1;transform:translateY(0)}.settings-panel{position:absolute;top:calc(var(--shell-panel-inset) + 60px);left:50%;transform:translate(-50%);width:min(520px,calc(100% - 36px));max-height:calc(100% - (var(--shell-panel-inset) * 2) - 52px);overflow:auto;padding:18px;border-radius:24px;border:1px solid rgba(125,178,214,.82);background:linear-gradient(180deg,#fffffff2,#ecf9fff2),radial-gradient(circle at top,rgba(62,200,255,.18),transparent 44%);box-shadow:0 18px 48px #3b6f912e;display:none}.settings-panel.is-visible{display:grid;gap:12px}.settings-panel-title,.settings-panel-body,.settings-panel-detail{margin:0}.settings-panel-title{color:#113252;font-size:1.3rem}.settings-panel-body,.settings-panel-detail{color:#234260;line-height:1.45}.settings-panel-controls{display:grid;gap:8px}.settings-panel-controls p{margin:0;color:#234260;line-height:1.45}.settings-panel-actions{display:flex;flex-wrap:wrap;gap:10px}.settings-panel-actions .shell-button{opacity:1;transform:translateY(0)}.shell-controls{position:absolute;left:var(--shell-panel-inset);right:var(--shell-panel-inset);bottom:var(--shell-panel-inset);display:flex;justify-content:space-between;gap:12px;pointer-events:none;z-index:3}.shell-button{pointer-events:auto;border:0;border-radius:999px;padding:14px 20px;font:inherit;font-weight:700;cursor:pointer;box-shadow:0 18px 48px #3b6f9133;opacity:0;transform:translateY(8px);transition:opacity .12s ease,transform .12s ease,filter .12s ease}.shell-button.is-visible{opacity:1;transform:translateY(0)}.shell-button:disabled{cursor:not-allowed;filter:grayscale(.2)}.shell-button-primary{color:#0e3554;background:linear-gradient(135deg,#8af7b1,#59d0ff)}.shell-button-secondary{color:#113252;background:#ffffffeb;border:1px solid rgba(125,178,214,.85)}.shell-button-danger{color:#6c1730;background:linear-gradient(135deg,#ffd5df,#ffe6d3)}.home-shell-panel,.level-select-panel{position:absolute;inset:var(--shell-panel-inset);padding:28px;max-height:calc(100% - (var(--shell-panel-inset) * 2));overflow:auto;border-radius:28px;border:1px solid rgba(125,178,214,.78);background:linear-gradient(180deg,#ffffffe6,#e6f8fff0),radial-gradient(circle at top right,rgba(89,208,255,.2),transparent 40%);box-shadow:0 22px 60px #3b6f9129;display:none}.home-shell-panel{grid-template-columns:minmax(0,1fr);gap:14px 24px;align-content:start}.home-shell-panel[data-columns="1"]{grid-template-columns:minmax(0,1fr)}.home-shell-panel[data-columns="2"]{grid-template-columns:minmax(0,1.2fr) minmax(280px,.9fr);grid-template-areas:"eyebrow help" "title help" "body help" "actions help" "detail help" "reset help"}.home-shell-panel.is-visible,.level-select-panel.is-visible{display:grid}.level-select-panel{grid-template-rows:auto auto auto 1fr auto;gap:12px}.home-shell-eyebrow{grid-area:eyebrow;font-size:.86rem;letter-spacing:.08em;text-transform:uppercase;color:#2c628f}.home-shell-title{grid-area:title;margin:0;font-size:clamp(2rem,2.2vw + 1rem,3rem);color:#113252}.home-shell-body,.home-shell-detail,.home-shell-reset-detail{margin:0;line-height:1.5;color:#264867}.home-shell-body{grid-area:body;max-width:52ch}.home-shell-actions{grid-area:actions;display:flex;flex-wrap:wrap;gap:12px}.home-shell-actions .shell-button{opacity:1;transform:translateY(0)}.home-shell-detail{grid-area:detail}.home-shell-reset-detail{grid-area:reset}.home-help-card{grid-area:help;align-self:stretch;padding:18px;border-radius:24px;border:1px solid rgba(125,178,214,.82);background:#fffffff0}.home-help-title{margin:0 0 12px;font-size:1.15rem;color:#12304f}.home-help-list{display:grid;gap:10px}.home-help-list p{margin:0;line-height:1.45;color:#234260}.level-select-eyebrow{font-size:.86rem;letter-spacing:.08em;text-transform:uppercase;color:#2c628f}.level-select-title{margin:0;font-size:clamp(1.9rem,2vw + 1rem,2.8rem);color:#113252}.level-select-body,.level-select-hint{margin:0;color:#264867;line-height:1.45}.level-card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px;align-content:start}.level-card{display:grid;gap:10px;padding:18px;text-align:left;border-radius:24px;border:1px solid rgba(125,178,214,.82);background:#fffffff5;color:#103250;cursor:pointer;transition:transform .12s ease,box-shadow .12s ease,border-color .12s ease}.level-card[data-selected=true]{border-color:#3ec8fff2;box-shadow:0 18px 42px #4890bd2e;transform:translateY(-2px)}.level-card[data-state=completed]{background:linear-gradient(180deg,#fffffffa,#e9fff4fa)}.level-card[data-state=locked]{background:linear-gradient(180deg,#f4f8fcf5,#eaf0f5fa);color:#5c7186}.level-card-badge{justify-self:start;padding:6px 10px;border-radius:999px;font-size:.8rem;font-weight:700;background:#10325014}.level-card-title{font-size:1.25rem}.level-card-description,.level-card-meta,.level-card-action{line-height:1.4}.level-card-meta{color:#356080}.level-card-action{font-weight:700}.hud-chip,.progress-chip{border:1px solid rgba(125,178,214,.85);background:#ffffffdb;padding:12px 14px;border-radius:18px;box-shadow:0 14px 36px #3b6f9129;color:#163654}.progress-label{margin-bottom:8px}.progress-bar{width:100%;height:10px;border-radius:999px;background:#2c5b8124;overflow:hidden}.progress-fill{height:100%;width:0;border-radius:999px;background:linear-gradient(90deg,var(--accent),#7cffcb);transition:width .12s linear}.stage-shell[data-layout=tablet] .stage-overlay,.stage-shell[data-layout=mobile] .stage-overlay,.stage-shell[data-height-mode=short] .stage-overlay{right:var(--shell-panel-inset);max-width:none}.stage-shell[data-layout=tablet] .game-hud,.stage-shell[data-layout=mobile] .game-hud,.stage-shell[data-height-mode=short] .game-hud{top:auto;right:var(--shell-panel-inset);bottom:var(--shell-panel-inset);left:var(--shell-panel-inset);min-width:0;max-width:none;grid-template-columns:repeat(auto-fit,minmax(160px,1fr))}.stage-shell[data-layout=tablet] .shell-utility-bar,.stage-shell[data-layout=mobile] .shell-utility-bar,.stage-shell[data-height-mode=short] .shell-utility-bar{left:auto;right:var(--shell-panel-inset);transform:none}.stage-shell[data-layout=tablet] .settings-panel,.stage-shell[data-layout=mobile] .settings-panel,.stage-shell[data-height-mode=short] .settings-panel{top:calc(var(--shell-panel-inset) + 48px);left:var(--shell-panel-inset);right:var(--shell-panel-inset);transform:none;width:auto}.stage-shell[data-layout=tablet] .victory-panel,.stage-shell[data-layout=mobile] .victory-panel,.stage-shell[data-height-mode=short] .victory-panel{left:var(--shell-panel-inset);max-width:none}.stage-shell[data-layout=tablet] .shell-controls,.stage-shell[data-layout=mobile] .shell-controls{flex-direction:column}.stage-shell[data-layout=tablet] .home-shell-panel,.stage-shell[data-layout=tablet] .level-select-panel,.stage-shell[data-layout=mobile] .home-shell-panel,.stage-shell[data-layout=mobile] .level-select-panel{padding:20px}.stage-shell[data-layout=tablet] .home-shell-panel[data-columns="1"],.stage-shell[data-layout=mobile] .home-shell-panel[data-columns="1"]{grid-template-areas:"eyebrow" "title" "body" "actions" "detail" "help" "reset"}.stage-shell[data-layout=mobile] .level-card-grid{grid-template-columns:minmax(0,1fr)}.stage-shell[data-layout=mobile] .shell-button{width:100%}.stage-shell[data-layout=mobile] .victory-panel-actions,.stage-shell[data-layout=mobile] .settings-panel-actions,.stage-shell[data-layout=mobile] .home-shell-actions{display:grid}.stage-shell[data-height-mode=short] .home-shell-panel,.stage-shell[data-height-mode=short] .level-select-panel{padding:18px}.stage-shell[data-height-mode=short] .shell-controls{gap:10px}@media(max-height:760px){.game-header,.game-footer{padding:10px 14px}}@media(max-width:800px){.canvas-wrap{padding:12px}}