:root{--bg-top: #1d2f43;--bg-mid: #2f5f73;--bg-bottom: #f4f2e6;--ink: #10212d;--panel: #fff7de;--panel-strong: #ffe7a8;--accent: #ff7b22;--accent-2: #00a6a6;--danger: #db2f36;--ok: #49a94f;--outline: #15242e}*{box-sizing:border-box}html,body,#app{margin:0;padding:0;width:100%;height:100%;min-height:100%;background:radial-gradient(circle at 15% 15%,#315f77 0 12%,transparent 13%),radial-gradient(circle at 82% 20%,#47697d 0 10%,transparent 11%),linear-gradient(180deg,var(--bg-top),var(--bg-mid) 50%,var(--bg-bottom));color:var(--ink);font-family:Trebuchet MS,Gill Sans,Noto Sans,sans-serif}.app-shell{display:grid;grid-template-rows:100vh 0;height:100vh;width:100vw}.app-shell.run-active{grid-template-rows:60vh 40vh}.top-panel{position:relative;overflow:hidden;border-bottom:0}.app-shell.run-active .top-panel{border-bottom:5px solid var(--outline)}.game-mount{width:100%;height:100%}.overlay-layer{pointer-events:none;position:absolute;inset:0;display:flex;align-items:center;justify-content:center;padding:20px}.screen{pointer-events:auto}.card{width:min(780px,95%);max-height:92%;overflow:auto;background:linear-gradient(180deg,#fff7db,#f6e6bc);border:4px solid var(--outline);border-radius:18px;box-shadow:0 12px #0f1d27;padding:18px 20px}.card.compact{width:min(360px,92%);text-align:center}.pause-volume-controls{margin-top:14px;display:grid;gap:8px}.pause-volume-row{display:grid;grid-template-columns:40px 1fr 40px;align-items:center;gap:8px}.pause-volume-label{font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:#93b7cb;text-align:left}.pause-volume-val{font-size:.72rem;color:#93b7cb;text-align:right}.pause-volume-row input[type=range]{width:100%;accent-color:#5a8f63;cursor:pointer}.hidden{display:none!important}h1,h2,h3,p{margin:0}h1{font-size:clamp(2rem,3.8vw,3rem);letter-spacing:.02em}h2{font-size:clamp(1.5rem,2.4vw,2rem);margin-bottom:10px}.button-stack{display:grid;gap:10px;margin-top:16px}button,select,input{font-family:inherit}button{border:3px solid var(--outline);border-radius:12px;background:#fef0c8;color:var(--ink);padding:10px 14px;font-size:1rem;font-weight:700;cursor:pointer;box-shadow:0 4px #1c2e3b}button:active{transform:translateY(2px);box-shadow:0 2px #1c2e3b}button.primary{background:linear-gradient(180deg,#ffb45c,var(--accent))}button.danger{background:linear-gradient(180deg,#ff6b6b,#c0392b);border-color:#7b1f1f;color:#fff;box-shadow:0 4px #7b1f1f}button.danger:active{box-shadow:0 2px #7b1f1f}button:disabled{opacity:.6;cursor:not-allowed}label{display:grid;gap:6px;font-weight:700;margin:12px 0}select,input[type=text]{border:3px solid var(--outline);border-radius:10px;padding:8px;font-size:1rem;background:#fffaf0}.inline-check{display:flex;align-items:center;gap:12px;padding:10px 4px;cursor:pointer}.inline-check input[type=checkbox]{width:28px;height:28px;min-width:28px;cursor:pointer;accent-color:var(--accent)}.screen-actions{display:flex;gap:10px;margin-top:14px;flex-wrap:wrap}.center-actions{justify-content:center}.lesson-list{display:grid;gap:10px;max-height:48vh;overflow:auto;padding-right:6px}.lesson-card{border:3px solid var(--outline);border-radius:12px;background:#fff7e2;padding:12px;display:grid;gap:6px}.lesson-card.locked{opacity:.75}.lesson-badge{display:inline-block;width:fit-content;border:2px solid var(--outline);border-radius:999px;font-weight:700;font-size:.82rem;padding:2px 10px;background:#d7d7d7}.lesson-card.open .lesson-badge{background:#b9f5c6}.hud{position:absolute;left:8px;right:8px;top:6px;z-index:5;display:block;pointer-events:none}.hud-combat{display:flex;justify-content:space-between;gap:8px;align-items:stretch}.hud-items{display:grid;grid-template-columns:repeat(3,minmax(86px,1fr));gap:6px;min-width:296px}.hud-slot{background:#080d12e0;border:2px solid #365067;border-radius:10px;padding:5px 7px;display:grid;grid-template-columns:auto 1fr;gap:7px;align-items:center;color:#bfd2df;pointer-events:auto;box-shadow:0 2px #00000059;cursor:pointer;font-size:inherit;font-weight:700;margin:0}.hud-slot.inactive{opacity:.88}.hud-slot.ready{border-color:#5a8f63;background:#0c1c13e6}.hud-slot.empty{border-color:#4c5560;background:#0a0e12c7;opacity:.62}.hud-slot.active{border-color:#84dfff;background:linear-gradient(180deg,#0b202af2,#0c1b23e6)}.hud-slot.cooldown{border-color:#f1b26f;background:#22180de0}.hud-slot-key{width:24px;height:24px;display:grid;place-items:center;border-radius:6px;background:#1f3040;border:1px solid #4e7086;color:#f0f7ff;font-size:.82rem;font-weight:800}.hud-slot-name{font-size:.82rem;font-weight:700;white-space:nowrap}.hud-slot-text{display:grid;gap:1px}.hud-slot-meta{font-size:.64rem;letter-spacing:.03em;text-transform:uppercase;color:#93b7cb}.hud-slot:active{transform:none;box-shadow:0 2px #00000059}.hud-slot.active .hud-slot-meta{color:#c6f4ff}.hud-stats{display:grid;grid-template-columns:repeat(4,minmax(78px,1fr));gap:6px;min-width:334px}.hud-item{background:#080d12e6;color:#f4f8fb;border:2px solid #4f6f83;border-radius:10px;padding:4px 7px;display:grid;gap:1px;box-shadow:0 2px #00000059}.hud-item span{font-size:.69rem;text-transform:uppercase;letter-spacing:.03em;opacity:.82}.hud-item strong{font-size:1.03rem;line-height:1.1;transition:transform 90ms ease,color .12s ease,text-shadow .12s ease;transform-origin:center}.hud-item strong.combo-hit{transform:scale(1.16)}.hud-item strong.combo-accent{color:#ffd68d;text-shadow:0 0 8px rgba(255,192,112,.55)}.bottom-panel{display:none;padding:6px 8px 8px;background:linear-gradient(180deg,#132131,#101a26),repeating-linear-gradient(90deg,transparent,transparent 42px,rgba(255,255,255,.02) 42px,rgba(255,255,255,.02) 44px);justify-content:center}.app-shell.run-active .bottom-panel{display:flex}.keyboard-panel{height:100%;width:min(1320px,100%);border:2px solid #203343;border-radius:12px;padding:8px 10px 10px;background:linear-gradient(180deg,#1a2c3d,#152231);display:grid;grid-template-rows:auto 1fr;gap:8px;user-select:none;-webkit-user-select:none;color:#eaf3fc}.keyboard-panel.wrong-input{box-shadow:inset 0 0 0 2px #d94e56,0 0 10px #d94e5652}.keyboard-panel.hit-input{box-shadow:inset 0 0 0 2px #f4c989}.keyboard-target-indicator{border:1px solid #3d5568;border-radius:9px;background:#0a121bc7;padding:6px 10px;display:flex;align-items:center;gap:8px;min-height:38px}.keyboard-target-label{font-size:.82rem;letter-spacing:.03em;text-transform:uppercase;color:#8db0c8;flex-shrink:0}.keyboard-target-value{font-size:1.12rem;color:#ffe8bb;letter-spacing:.015em;text-shadow:0 1px 0 rgba(0,0,0,.45);white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.keyboard-panel.target-locked .keyboard-target-indicator{border-color:#ffd091;box-shadow:inset 0 0 0 1px #ffdfa873,0 0 8px #ffb26224}.keyboard-panel.target-locked .keyboard-target-value{color:#fff2d0}.keyboard-grid{display:grid;gap:9px;align-content:center;min-height:0}.keyboard-row{display:flex;justify-content:center;gap:9px}.keyboard-key{width:clamp(60px,6.4vw,82px);min-width:60px;min-height:60px;aspect-ratio:1 / 1;border:2px solid #13202b;border-radius:10px;display:grid;place-items:center;font-weight:800;font-size:1.2rem;color:#eaf3ff;background:#2a3f52;transition:transform 80ms ease,background-color .12s ease,filter 80ms ease;touch-action:manipulation;user-select:none;-webkit-user-select:none;-webkit-tap-highlight-color:transparent;cursor:pointer;appearance:none;padding:0;line-height:1}.keyboard-key.finger-left-index{background:#f59e0b;border-color:#8a5908;color:#fff9ed}.keyboard-key.finger-right-index{background:#ea580c;border-color:#8a3408;color:#fff4eb}.keyboard-key.finger-left-middle,.keyboard-key.finger-right-middle{background:#eab308;border-color:#7f6207;color:#312607}.keyboard-key.finger-left-ring,.keyboard-key.finger-right-ring{background:#22c55e;border-color:#13763a;color:#effef6}.keyboard-key.finger-left-pinky,.keyboard-key.finger-right-pinky{background:#3b82f6;border-color:#1f4fa3;color:#eef6ff}.keyboard-key.home-row{border-width:3px;border-color:#ffe091;box-shadow:inset 0 -4px #ffe28ea6,0 0 10px #ffcf5c57;animation:keyboard-anchor-pulse 1.6s ease-in-out infinite}.keyboard-key.expected{transform:translateY(-2px) scale(1.08);filter:brightness(1.28) saturate(1.12);box-shadow:0 0 0 2px #fffcf1d1,0 0 14px #fff5d685}@keyframes keyboard-anchor-pulse{0%,to{box-shadow:inset 0 -4px #ffe28ea6,0 0 8px #ffcf5c42}50%{box-shadow:inset 0 -4px #ffe28ee0,0 0 15px #ffd97a80}}.keyboard-key.hit{box-shadow:0 0 0 2px #ffe8b6,0 0 10px #ffe09280}.keyboard-key.pressed{transform:translateY(1px) scale(.97);filter:brightness(.92)}.results-body{display:grid;gap:6px}.result-row{display:flex;justify-content:space-between;border:2px solid var(--outline);border-radius:10px;padding:8px 10px;background:#fff}.hint{margin-bottom:10px}.build-info{margin-top:8px;margin-bottom:12px;font-size:.86rem;font-weight:700;color:#23394b}.onboarding-list{margin:10px 0 0;padding-left:20px;display:grid;gap:8px;text-align:left;font-weight:700}.error-text{color:var(--danger);font-weight:700;min-height:1.2em}.leaderboard-difficulty-tabs{display:flex;gap:8px;margin-bottom:8px}.leaderboard-difficulty-tab{min-width:84px}.leaderboard-difficulty-tab.active{background:linear-gradient(180deg,#ffb45c,var(--accent))}.card-narrow{width:min(400px,92%)}.arcade-difficulty-label{margin:4px 0 8px;font-size:.8em;font-weight:600;text-transform:uppercase;letter-spacing:.07em;color:#7a5c2e}.arcade-difficulty-group{display:flex;gap:8px;margin-bottom:14px}.arcade-difficulty-btn{flex:1;font-weight:400;background:#fef0c8}.arcade-difficulty-btn.active{background:#f5a623;font-weight:700}.arcade-start-btn{display:block;width:100%;padding:14px;font-size:17px;font-weight:700;background:#f5a623;border:3px solid var(--outline);border-radius:12px;cursor:pointer;box-shadow:0 4px #1c2e3b}.arcade-start-btn:active{transform:translateY(2px);box-shadow:0 2px #1c2e3b}.arcade-back-row{display:flex;justify-content:flex-end;margin-top:20px}.arcade-back-btn{font-size:13px;font-weight:400;background:#fef0c8;color:#7a5c2e;padding:6px 14px;box-shadow:0 2px #1c2e3b}.leaderboard-table-wrap{margin-top:8px;max-height:48vh;overflow:auto;border:3px solid var(--outline);border-radius:12px;background:#fffef8}.leaderboard-table{width:100%;border-collapse:collapse;font-size:.95rem}.leaderboard-table th,.leaderboard-table td{padding:8px 10px;border-bottom:1px solid #d8d8d8;text-align:left}.leaderboard-table th{position:sticky;top:0;background:#f7e8bf;z-index:1}.player-name-modal{box-shadow:0 12px #0f1d27,0 0 0 9999px #090e1473}@media(max-width:1200px){.app-shell.run-active{grid-template-rows:58vh 42vh}.hud-combat{flex-direction:column}.hud-stats{min-width:0;grid-template-columns:repeat(4,minmax(70px,1fr))}.hud-items{min-width:0;grid-template-columns:repeat(3,minmax(80px,1fr))}.keyboard-key{width:clamp(54px,10.8vw,76px);min-width:54px;min-height:54px;font-size:1.08rem}.keyboard-row,.keyboard-grid{gap:7px}}