:root{color-scheme:light;font-family:Hiragino Kaku Gothic ProN,Hiragino Sans,Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;--bg: #f4f7f6;--surface: #ffffff;--surface-2: #edf4f1;--line: #d5e0dd;--line-strong: #aebdb8;--text: #17211d;--text-2: #53625c;--text-3: #82918b;--green: #16735f;--green-dark: #0f5f4e;--green-bg: #e4f4ee;--amber: #a76516;--amber-bg: #fff2d9;--blue: #2c67c7;--blue-bg: #e9f1ff;--rose: #b2435b;--rose-bg: #fae9ee;--wall: #26342f;--route: #d7ecff;--trail: #e8f5ef;--radius: 8px}*{box-sizing:border-box}html{min-width:320px;min-height:100%;background:var(--bg)}body{min-height:100%;margin:0;color:var(--text);background:var(--bg)}body,button{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.62}a{color:inherit;text-decoration:none}#root{min-height:100dvh}.app-shell{display:grid;width:min(1380px,100%);height:100dvh;margin:0 auto;padding:12px 14px 10px;grid-template-rows:auto minmax(0,1fr) auto;gap:10px;overflow:hidden}.topbar{display:flex;min-height:46px;align-items:center;justify-content:space-between;gap:12px;padding:0 2px}.brand,.top-actions,.tool-button,.section-head span,.metric span,.statusbar{display:inline-flex;align-items:center}.brand{min-width:0;gap:10px}.brand-mark{display:grid;width:34px;height:34px;flex:0 0 34px;place-items:center;border-radius:var(--radius);color:#fff;background:var(--green);font-size:.95rem;font-weight:900;line-height:1}.brand-copy{display:grid;min-width:0;gap:1px}.brand-name{font-size:1.02rem;font-weight:850;line-height:1.2;letter-spacing:0}.brand-sub{color:var(--text-3);font-size:.72rem;font-weight:750}.top-actions{min-width:0;justify-content:flex-end;gap:7px}.tool-button{min-height:34px;justify-content:center;gap:6px;padding:0 11px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);color:var(--text);font-size:.84rem;font-weight:800;line-height:1;transition:border-color .15s,background .15s,color .15s}.tool-button:hover,.tool-button[data-active=true]{border-color:var(--line-strong)}.tool-button.primary{border-color:var(--green);background:var(--green);color:#fff}.tool-button.primary:hover{border-color:var(--green-dark);background:var(--green-dark)}.tool-button[data-active=true]{background:var(--blue-bg);color:var(--blue)}.play-layout{display:grid;min-width:0;min-height:0;grid-template-columns:minmax(0,1fr) 318px;gap:10px}.maze-panel,.side-panel section{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}.maze-panel{display:grid;min-width:0;min-height:0;place-items:center;overflow:visible;padding:14px}.maze-stage{position:relative;display:grid;width:min(100%,calc(100dvh - 152px));max-height:min(100%,calc(100dvh - 152px));max-width:920px;aspect-ratio:1;place-items:center}.maze-board{display:grid;width:100%;height:100%;grid-template-columns:repeat(var(--maze-cols),minmax(0,1fr));grid-template-rows:repeat(var(--maze-cols),minmax(0,1fr));padding:8px;border:4px solid var(--wall);border-radius:12px;background:linear-gradient(135deg,rgba(22,115,95,.08),transparent 55%),#fff;box-shadow:0 16px 38px #17211d1a;transition:border-color .22s,box-shadow .22s,transform .22s}.maze-stage[data-complete=true] .maze-board{border-color:#d58a1f;box-shadow:0 18px 42px #17211d24,0 0 0 8px #d58a1f1f;animation:board-clear .46s ease-out}.maze-stage[data-auto=true] .maze-board{border-color:var(--blue);box-shadow:0 18px 42px #17211d24,0 0 0 8px #2c67c71f}.maze-cell{position:relative;display:grid;min-width:0;min-height:0;place-items:center;border-color:transparent;border-style:solid;border-width:2px;background:#fff}.maze-cell.wall-up{border-top-color:var(--wall)}.maze-cell.wall-right{border-right-color:var(--wall)}.maze-cell.wall-down{border-bottom-color:var(--wall)}.maze-cell.wall-left{border-left-color:var(--wall)}.maze-cell[data-route=true]{background:var(--route)}.maze-cell[data-trail=true]{background:var(--trail)}.maze-stage[data-auto=true] .maze-cell[data-trail=true]{background:radial-gradient(circle,rgba(44,103,199,.22),rgba(44,103,199,.08) 46%,transparent 72%),#e9f4ff;animation:auto-trail .42s ease-out both}.maze-cell[data-route=true][data-trail=true]{background:linear-gradient(135deg,var(--route),var(--trail))}.maze-stage[data-auto=true] .maze-cell[data-route=true][data-trail=true]{background:linear-gradient(135deg,#2c67c738,#16735f2e),#e9f4ff}.maze-cell[data-start=true]{background:#fff8e8}.maze-cell[data-goal=true]{background:#f9eaf0}.maze-stage[data-complete=true] .maze-cell[data-goal=true]{background:#fff3d8}.cell-dot,.player-token{position:absolute;z-index:2;display:grid;place-items:center;pointer-events:none}.start-dot{width:30%;height:30%;border-radius:999px;background:var(--amber)}.goal-dot{width:58%;height:58%;border-radius:999px;color:var(--rose)}.maze-stage[data-complete=true] .goal-dot{color:var(--amber);animation:goal-clear .7s ease-out both}.player-token{width:54%;height:54%;border:3px solid #ffffff;border-radius:999px;background:var(--blue);box-shadow:0 6px 14px #2c67c759;transition:transform .08s linear}.player-token:after{position:absolute;z-index:-1;width:190%;height:190%;border-radius:inherit;background:radial-gradient(circle,rgba(44,103,199,.28),transparent 64%);content:"";opacity:0}.maze-stage[data-auto=true] .player-token{background:#1f7be5;box-shadow:0 8px 18px #2c67c75c,0 0 0 6px #2c67c724;animation:auto-runner .32s ease-in-out infinite}.maze-stage[data-auto=true] .player-token:after{opacity:1;animation:auto-aura .46s ease-out infinite}.maze-stage[data-complete=true] .player-token{background:var(--green);box-shadow:0 8px 18px #16735f4d,0 0 0 7px #16735f29;animation:player-clear .48s ease-out both}.clear-banner{position:absolute;z-index:4;display:grid;min-width:min(300px,70%);place-items:center;gap:6px;padding:16px 18px;border:1px solid rgba(213,138,31,.34);border-radius:14px;background:#fffffff0;box-shadow:0 18px 50px #17211d33;color:var(--text);pointer-events:none;text-align:center;animation:clear-banner-in .36s ease-out both}.clear-icon{display:grid;width:42px;height:42px;place-items:center;border-radius:999px;background:#fff2d9;color:var(--amber)}.clear-banner strong{font-size:clamp(1.65rem,4.5vw,2.6rem);font-weight:950;line-height:1;letter-spacing:0}.clear-banner>span:last-child{color:var(--text-2);font-size:.86rem;font-weight:850}@keyframes clear-banner-in{0%{opacity:0;transform:translateY(10px) scale(.94)}to{opacity:1;transform:translateY(0) scale(1)}}@keyframes board-clear{0%{transform:scale(1)}45%{transform:scale(1.012)}to{transform:scale(1)}}@keyframes player-clear{0%{transform:scale(1)}55%{transform:scale(1.45)}to{transform:scale(1.12)}}@keyframes goal-clear{0%{transform:scale(1)}55%{transform:scale(1.5) rotate(-8deg)}to{transform:scale(1.12) rotate(0)}}@keyframes auto-runner{0%,to{transform:scale(1)}50%{transform:scale(1.24)}}@keyframes auto-aura{0%{opacity:.75;transform:scale(.62)}to{opacity:0;transform:scale(1.05)}}@keyframes auto-trail{0%{filter:saturate(1.35)}to{filter:saturate(1)}}.side-panel{display:grid;min-width:0;min-height:0;align-content:start;gap:10px;overflow-y:auto;scrollbar-gutter:stable}.side-panel::-webkit-scrollbar{width:12px}.side-panel::-webkit-scrollbar-track{background:#edf1f2}.side-panel::-webkit-scrollbar-thumb{border:3px solid #edf1f2;border-radius:999px;background:#aeb9c8}.result-card{display:grid;min-height:126px;align-content:center;gap:6px;padding:18px;border-color:#b7dccc;background:linear-gradient(135deg,#eaf8f2,#fff 68%)}.result-card[data-complete=true]{border-color:#e8b4c1;background:linear-gradient(135deg,#fae9ee,#fff 70%)}.status-kicker{color:var(--text-3);font-size:.78rem;font-weight:900}.result-card strong{font-size:clamp(2.3rem,5vw,3.6rem);line-height:1.05;letter-spacing:0}.result-card>span:last-child{color:var(--text-2);font-size:.88rem;font-weight:800}.controls-card{display:grid;gap:12px;padding:14px}.section-head{display:flex;min-width:0;align-items:center;justify-content:space-between;gap:10px}.section-head span{min-width:0;gap:6px;font-size:.92rem;font-weight:850}.section-head svg{color:var(--green)}.section-head strong{color:var(--text-3);font-size:.8rem;font-weight:900}.level-tabs{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:7px}.level-tabs button{height:36px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;color:var(--text-2);font-size:.86rem;font-weight:900}.level-tabs button[data-active=true]{border-color:var(--green);background:var(--green-bg);color:var(--green)}.stats-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.metric{display:grid;gap:6px;min-width:0;min-height:62px;padding:10px;border:1px solid var(--line);border-radius:var(--radius);background:#f8faf9}.metric span{min-width:0;gap:5px;color:var(--text-3);font-size:.72rem;font-weight:850}.metric strong{min-width:0;overflow:hidden;text-overflow:ellipsis;color:var(--text);font-size:1rem;font-weight:900;white-space:nowrap}.seed-box{display:grid;grid-template-columns:auto minmax(0,1fr);gap:8px;align-items:center;min-height:34px;padding:0 10px;border-radius:var(--radius);background:var(--surface-2)}.seed-box span{color:var(--text-3);font-size:.72rem;font-weight:850}.seed-box code{min-width:0;overflow:hidden;text-overflow:ellipsis;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:.8rem;font-weight:850;white-space:nowrap}.key-hints{display:flex;min-width:0;align-items:center;justify-content:center;gap:6px;color:var(--text-3)}.key-hints span,.key-hints kbd{display:inline-grid;place-items:center;height:24px;border:1px solid var(--line);border-radius:7px;background:#f8faf9;color:var(--text-2);font-family:inherit;font-size:.72rem;font-weight:900;line-height:1}.key-hints span{min-width:46px;padding:0 8px}.key-hints kbd{width:24px}.dpad{display:grid;grid-template-columns:repeat(3,58px);grid-template-rows:repeat(3,48px);justify-content:center;gap:7px}.dpad button{display:grid;place-items:center;border:1px solid var(--line);border-radius:var(--radius);background:#fff;color:var(--text)}.dpad button:hover{border-color:var(--line-strong);background:#f7faf9}.dpad-up{grid-column:2;grid-row:1}.dpad-left{grid-column:1;grid-row:2}.dpad-center{grid-column:2;grid-row:2;pointer-events:none}.dpad-center span{width:14px;height:14px;border-radius:999px;background:var(--green)}.dpad-right{grid-column:3;grid-row:2}.dpad-down{grid-column:2;grid-row:3}.control-actions{display:flex;flex-wrap:wrap;gap:7px}.statusbar{min-height:22px;justify-content:space-between;gap:12px;color:var(--text-3);font-size:.74rem;font-weight:750}@media(max-width:960px){.app-shell{overflow-y:auto;height:auto;min-height:100dvh}.play-layout{grid-template-columns:1fr}.maze-stage{width:min(100%,78dvh)}.side-panel{grid-template-columns:repeat(2,minmax(0,1fr));overflow:visible}.status-card{min-height:auto}}@media(max-width:660px){.app-shell{padding:10px}.topbar{align-items:flex-start;flex-direction:column;min-height:82px}.top-actions{width:100%}.top-actions .tool-button{flex:1}.maze-panel{padding:8px}.maze-board{padding:5px;border-width:3px}.maze-cell{border-width:1.5px}.side-panel{grid-template-columns:1fr}.stats-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:430px){.top-actions{flex-wrap:wrap}.stats-grid{grid-template-columns:1fr}.dpad{grid-template-columns:repeat(3,minmax(54px,1fr));grid-template-rows:repeat(3,46px)}}