:root{font-family:Trebuchet MS,Avenir Next,sans-serif;color:#1f2d3d;background:radial-gradient(circle at top,rgba(255,214,10,.34),transparent 28%),radial-gradient(circle at right top,rgba(0,132,255,.22),transparent 24%),linear-gradient(180deg,#fff7d6,#ffe9b8);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;--color-red: #ef3e36;--color-blue: #0099f0;--color-yellow: #ffd60a;--color-green: #4cc85c;--surface: rgba(255, 252, 244, .92);--surface-strong: #fffdf8;--surface-tint: rgba(255, 255, 255, .62);--line: rgba(31, 45, 61, .1);--brand: var(--color-red);--brand-strong: #d92d20;--accent: var(--color-blue);--accent-strong: #0a77d5;--text: #1f2d3d;--muted: #556270;--shadow: 0 14px 0 rgba(31, 45, 61, .08), 0 24px 40px rgba(31, 45, 61, .12);--radius-sm: 16px;--radius-md: 24px;--radius-lg: 32px;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 20px;--space-6: 24px;--space-7: 32px;--space-8: 40px;--control-h: 56px}*{box-sizing:border-box}html,body,#root{min-height:100%;margin:0}html,body{background-color:#ffe664}body{min-height:100vh;min-height:100dvh;color:var(--text)}a{color:inherit;text-decoration:none}button,input,select{font:inherit}.app-shell{min-height:100vh;min-height:100dvh;display:grid;grid-template-rows:1fr;max-width:960px;margin:0 auto;padding:var(--space-6) var(--space-4)}.app-shell--game{max-width:none;padding:0;margin:0;background:linear-gradient(180deg,#ffe770,#ffd54a)}.section-card p,.game-card p,.field-stack span,.toggle-row span{color:var(--muted)}.shell-main,.page-stack{display:grid;gap:var(--space-6)}.shell-main,.app-shell--game .shell-main{padding:0}.section-card,.game-card,.game-viewport{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);box-shadow:var(--shadow)}.section-card,.game-card{padding:var(--space-5)}.section-card__header h2,.game-card h3{margin:0 0 var(--space-2)}.section-card__header p,.game-card p{margin:0}.section-card__content{margin-top:var(--space-4)}.button-row,.feature-list,.settings-form,.field-stack{display:grid;gap:var(--space-3)}.feature-list{margin:0;padding-left:var(--space-5)}.primary-button,.secondary-button{display:inline-flex;align-items:center;justify-content:center;min-height:var(--control-h);padding:var(--space-3) var(--space-5);border-radius:var(--radius-sm);transition:transform .16s ease,background-color .16s ease}.primary-button{border:none;background:linear-gradient(180deg,#ff5b52 0%,var(--brand-strong) 100%);color:#fffaf3;font-weight:700;box-shadow:0 10px #851e1e24}.secondary-button{border:1px solid rgba(31,45,61,.12);background:#ffffffe0}.primary-button:hover,.secondary-button:hover{transform:translateY(-1px)}.game-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--space-4);align-content:start}.home-intro{display:grid;gap:var(--space-2);padding:var(--space-5);border-radius:var(--radius-lg);background:radial-gradient(circle at 20% 18%,rgba(255,255,255,.72),transparent 22%),linear-gradient(135deg,#0099f0,#41adff);box-shadow:var(--shadow)}.home-intro h1{margin:0;font-size:clamp(2rem,7vw,3.2rem);line-height:1.05;color:#fffdf8;text-align:center;text-shadow:0 2px 0 rgba(31,45,61,.12)}.game-tile{aspect-ratio:1 / 1;width:100%;display:grid;place-items:center;padding:var(--space-4);border-radius:var(--radius-md);background:radial-gradient(circle at 32% 28%,rgba(255,255,255,.75),transparent 24%),linear-gradient(160deg,#ffde59,#ffca28);border:2px solid rgba(31,45,61,.08);box-shadow:var(--shadow);font-size:clamp(1rem,4.2vw,1.4rem);font-weight:700;color:#2f4460;text-align:center;transition:transform .16s ease,box-shadow .16s ease}.game-tile__icon{font-size:clamp(2.5rem,11vw,4rem);line-height:1;filter:drop-shadow(0 3px 0 rgba(255,255,255,.4))}.game-tile:hover{transform:translateY(-2px);box-shadow:0 18px #1f2d3d14,0 28px 38px #1f2d3d24}.settings-form select,.settings-form input[type=checkbox]{accent-color:var(--brand-strong)}.toggle-row{display:flex;align-items:center;justify-content:space-between;gap:var(--space-4);padding:var(--space-4);border-radius:var(--radius-sm);background:var(--surface-tint)}.field-stack select{min-height:48px;border-radius:var(--radius-sm);border:1px solid rgba(31,45,61,.14);background:#fff;padding:var(--space-3) var(--space-4)}.game-viewport{position:relative;overflow:hidden;padding:0 0 env(safe-area-inset-bottom);min-height:calc(var(--app-viewport-height, 100dvh) - 54px - env(safe-area-inset-top));height:calc(var(--app-viewport-height, 100dvh) - 54px - env(safe-area-inset-top));background:radial-gradient(circle at top,rgba(0,153,240,.18),transparent 26%),linear-gradient(180deg,#ffe664,#ffd54a);border:none;border-radius:0;box-shadow:none}.game-canvas-shell{min-height:100%;height:calc(var(--app-viewport-height, 100dvh) - 54px - env(safe-area-inset-top) - env(safe-area-inset-bottom));border-radius:0;overflow:hidden;background:#fffdf8;display:grid;place-items:center}.game-canvas-shell canvas{display:block;max-width:100%;max-height:100%;width:auto;height:auto}.game-overlay{position:absolute;top:18px;right:18px;z-index:2;max-width:min(60vw,240px)}.game-overlay__pill{padding:10px 14px;border-radius:18px;background:#2d220fd1;color:#fff7e7;font-size:.875rem}.game-page{min-height:var(--app-viewport-height, 100dvh);height:var(--app-viewport-height, 100dvh);display:grid;grid-template-rows:auto 1fr;overflow:hidden;background:radial-gradient(circle at top left,rgba(0,153,240,.18),transparent 22%),linear-gradient(180deg,#ffe664,#ffd54a)}.game-page__topbar{position:sticky;top:0;z-index:4;display:flex;align-items:center;justify-content:center;min-height:54px;padding:calc(var(--space-1) + env(safe-area-inset-top)) var(--space-2) var(--space-1);background:#fff4d1e0;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.game-page__back{width:54px;height:54px;display:inline-grid;place-items:center;border-radius:var(--radius-sm);background:linear-gradient(180deg,#41adff 0%,var(--accent-strong) 100%);border:1px solid rgba(10,119,213,.24);box-shadow:0 10px #0a77d529,0 20px 30px #0a77d533;position:absolute;left:var(--space-2);top:calc(var(--space-1) + env(safe-area-inset-top))}.game-page__back-arrow{display:inline-block;font-size:2.1rem;line-height:1;animation:back-arrow-bob 1.1s ease-in-out infinite;filter:drop-shadow(0 2px 0 rgba(255,255,255,.3))}.game-page__title{min-width:0;max-width:calc(100% - 84px);font-size:1.05rem;font-weight:700;color:#26415e;text-align:center;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}@keyframes back-arrow-bob{0%,to{transform:translate(0)}50%{transform:translate(-5px)}}.route-loading{display:grid;place-items:center;min-height:30vh}.route-loading:after{content:"";width:32px;height:32px;border-radius:999px;border:4px solid rgba(31,45,61,.12);border-top-color:#0099f0b3;animation:route-spinner .8s linear infinite}@keyframes route-spinner{to{transform:rotate(360deg)}}@media(min-width:768px){.app-shell{padding-inline:var(--space-6)}.game-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--space-5)}.game-page__topbar{padding-inline:var(--space-3)}.game-viewport{padding:0}}