:root{color-scheme:dark;--bg:#0f1014;--panel:#191b22;--panel2:#232631;--wall:#e7e7e7;--path:#171920;--text:#f5f5f5;--muted:#aeb3c2;--gold:#f4c542;--danger:#ff5a5f;--success:#5cd680}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(circle at top,#242734,var(--bg) 62%);font-family:Arial,Helvetica,sans-serif;color:var(--text);overflow:hidden}.app{width:100%;min-height:100vh;display:grid;grid-template-columns:minmax(220px,280px) 1fr;gap:16px;padding:16px}.hud{background:rgba(25,27,34,.96);border:1px solid #343845;border-radius:14px;padding:18px;box-shadow:0 18px 50px rgba(0,0,0,.35);display:flex;flex-direction:column;gap:16px}.title{margin:0;font-size:26px}.maze-depth{font-size:18px;color:var(--muted)}.maze-depth strong{color:var(--text);font-size:28px;display:block;margin-top:4px}.reward-list{display:grid;gap:10px}.reward-row{display:grid;grid-template-columns:30px 1fr auto;align-items:center;gap:8px;padding:9px 10px;border-radius:10px;background:var(--panel2);border:1px solid transparent;transition:.18s}.reward-row.active{border-color:var(--gold);box-shadow:0 0 18px rgba(244,197,66,.28)}.reward-row.flash{transform:scale(1.02);border-color:#7bdff2}.reward-icon{font-size:21px;text-align:center}.reward-name{font-weight:700;font-size:14px}.reward-hint{color:var(--muted);font-size:12px;margin-top:2px}.reward-count{min-width:34px;text-align:right;font-weight:700;font-size:17px}.instructions{margin-top:auto;color:var(--muted);font-size:13px;line-height:1.5;border-top:1px solid #343845;padding-top:14px}.main{display:grid;place-items:center;min-width:0;min-height:0}.game-wrap{display:flex;flex-direction:column;align-items:center;gap:10px;width:100%;height:100%}.statusbar{width:min(100%,820px);min-height:44px;border-radius:10px;background:rgba(25,27,34,.95);border:1px solid #343845;display:grid;place-items:center;padding:10px 14px;color:var(--muted);text-align:center;font-weight:700}canvas{display:block;width:min(100%,820px);height:min(calc(100vh - 104px),820px);background:var(--path);border:3px solid var(--wall);border-radius:12px;box-shadow:0 22px 60px rgba(0,0,0,.45)}.overlay{position:fixed;inset:0;display:none;align-items:center;justify-content:center;background:rgba(5,6,9,.78);backdrop-filter:blur(4px);z-index:20;padding:20px}.overlay.show{display:flex}.modal{width:min(92vw,620px);background:#171920;border:1px solid #3c4150;border-radius:16px;padding:24px;box-shadow:0 24px 80px rgba(0,0,0,.55);text-align:center}.modal h2{margin:0 0 12px;font-size:32px}.modal p{color:var(--muted);line-height:1.5}.choices{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:18px}.choice-btn,.primary-btn{border:1px solid #4a5060;background:#242733;color:var(--text);padding:13px 14px;border-radius:10px;cursor:pointer;font-size:15px;font-weight:700}.choice-btn:hover,.primary-btn:hover{background:#303442}.primary-btn{margin-top:14px;min-width:160px}.choice-btn small{display:block;margin-top:4px;color:var(--muted);font-weight:400}@media(max-width:900px){body{overflow:auto}.app{grid-template-columns:1fr}.hud{order:2}canvas{width:min(94vw,760px);height:min(70vh,760px)}}