:root{--color-primary: #00ffc8;--color-secondary: #ff6d00;--color-accent: #ffe600;--color-bg: #0a0a0f;--color-surface: rgba(15, 15, 25, .85);--color-text: #ffffff;--color-text-muted: rgba(255, 255, 255, .6);--font-display: "Bangers", cursive;--font-body: "Inter", sans-serif;--radius-sm: 8px;--radius-md: 16px;--radius-lg: 24px;--shadow-glow-primary: 0 0 20px rgba(0, 255, 200, .4);--shadow-glow-secondary: 0 0 20px rgba(255, 109, 0, .4);--transition-fast: .15s ease;--transition-med: .3s ease}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body{width:100%;height:100%;overflow:hidden;background:var(--color-bg);color:var(--color-text);font-family:var(--font-body);touch-action:none;user-select:none;-webkit-user-select:none}#app{position:relative;width:100%;height:100%;overflow:hidden}#app canvas{position:absolute;top:0;left:0;width:100%!important;height:100%!important;display:block}.hidden{display:none!important}.unit{font-size:.7em;opacity:.7}.btn-primary,.btn-secondary{display:inline-block;padding:14px 48px;border:none;border-radius:50px;font-family:var(--font-display);font-size:1.5rem;letter-spacing:2px;cursor:pointer;transition:transform var(--transition-fast),box-shadow var(--transition-fast);min-width:200px}.btn-primary{background:linear-gradient(135deg,var(--color-primary),#00c8a0);color:#000;box-shadow:var(--shadow-glow-primary)}.btn-primary:hover{transform:scale(1.06) translateY(-2px);box-shadow:0 0 32px #00ffc8a6}.btn-primary:active{transform:scale(.97)}.btn-secondary{background:#ffffff14;color:var(--color-text);border:1px solid rgba(255,255,255,.2);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.btn-secondary:hover{background:#ffffff26;transform:scale(1.04) translateY(-1px)}#loading-screen{position:absolute;top:0;right:0;bottom:0;left:0;z-index:100;display:flex;align-items:center;justify-content:center;background:var(--color-bg);transition:opacity .5s ease}#loading-content{display:flex;flex-direction:column;align-items:center;gap:16px}#loading-logo{font-size:4rem;animation:bounce .6s ease-in-out infinite alternate}#loading-text{font-family:var(--font-display);font-size:1.4rem;letter-spacing:3px;color:var(--color-primary)}#loading-bar-track{width:240px;height:6px;background:#ffffff1a;border-radius:999px;overflow:hidden}#loading-bar-fill{height:100%;width:0%;background:linear-gradient(90deg,var(--color-primary),var(--color-secondary));border-radius:999px;transition:width .3s ease}#hud{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;z-index:10}#hud-top{display:flex;justify-content:space-between;align-items:flex-start;padding:20px 24px}#coin-display,#score-display,#distance-display{display:flex;align-items:center;gap:6px;background:#00000073;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius-md);padding:8px 16px}#coin-display{font-size:1.1rem;font-weight:600}#coin-icon{font-size:1.2rem}#coin-count{color:var(--color-accent);font-weight:700}#score-display{flex-direction:column;align-items:center}#score-value{font-family:var(--font-display);font-size:2rem;letter-spacing:2px;color:var(--color-primary);text-shadow:var(--shadow-glow-primary);transition:transform .1s ease}#score-value.bump{transform:scale(1.2)}#distance-display{font-size:.95rem;color:var(--color-text-muted)}#powerup-bar-container{position:absolute;bottom:40px;left:50%;transform:translate(-50%);display:flex;align-items:center;gap:10px;background:#00000080;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.15);border-radius:50px;padding:8px 20px}#powerup-icon{font-size:1.5rem}#powerup-bar-track{width:160px;height:8px;background:#ffffff26;border-radius:999px;overflow:hidden}#powerup-bar-fill{height:100%;width:100%;background:linear-gradient(90deg,var(--color-secondary),var(--color-accent));border-radius:999px;transition:width .1s linear}#main-menu{position:absolute;top:0;right:0;bottom:0;left:0;z-index:20;display:flex;align-items:center;justify-content:center;background:linear-gradient(170deg,#0d0d1a,#0a1a2e,#0d0d1a)}#menu-content{display:flex;flex-direction:column;align-items:center;gap:20px;animation:fadeInUp .6s ease both}#game-title{font-family:var(--font-display);font-size:clamp(3rem,10vw,6rem);letter-spacing:4px;text-align:center;line-height:.9;color:#fff;text-shadow:0 0 40px rgba(0,255,200,.5)}#game-title span{color:var(--color-primary);text-shadow:0 0 60px rgba(0,255,200,.8)}#menu-subtitle{color:var(--color-text-muted);font-size:1rem;letter-spacing:1px}#menu-best-score{display:flex;flex-direction:column;align-items:center;gap:2px}#menu-best-score .label{font-size:.75rem;letter-spacing:3px;color:var(--color-text-muted)}#best-score-value{font-family:var(--font-display);font-size:2.5rem;color:var(--color-accent);text-shadow:0 0 20px rgba(255,230,0,.5)}#input-hints{display:flex;gap:20px;font-size:.8rem;color:var(--color-text-muted);margin-top:8px}#main-menu:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:radial-gradient(circle at 20% 50%,rgba(0,255,200,.06) 0%,transparent 60%),radial-gradient(circle at 80% 50%,rgba(255,109,0,.06) 0%,transparent 60%);pointer-events:none}#game-over-screen{position:absolute;top:0;right:0;bottom:0;left:0;z-index:30;display:flex;align-items:center;justify-content:center;background:#000000bf;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}#game-over-content{display:flex;flex-direction:column;align-items:center;gap:24px;background:var(--color-surface);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius-lg);padding:40px 56px;min-width:360px;animation:fadeInUp .4s ease both}#game-over-title{font-family:var(--font-display);font-size:3rem;letter-spacing:4px;color:var(--color-secondary);text-shadow:var(--shadow-glow-secondary)}#score-breakdown{width:100%;display:flex;flex-direction:column;gap:10px}.score-row{display:flex;justify-content:space-between;align-items:center;padding:8px 0;border-bottom:1px solid rgba(255,255,255,.08)}.score-row:last-child{border:none}.score-row .label{color:var(--color-text-muted);font-size:.85rem;letter-spacing:2px}.score-row span:last-child{font-family:var(--font-display);font-size:1.6rem;color:var(--color-primary)}.score-row.highlight span:last-child{color:var(--color-accent)}#game-over-buttons{display:flex;flex-direction:column;gap:12px;width:100%;align-items:center}#pause-menu{position:absolute;top:0;right:0;bottom:0;left:0;z-index:30;display:flex;align-items:center;justify-content:center;background:#0009;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}#pause-content{display:flex;flex-direction:column;align-items:center;gap:20px;background:var(--color-surface);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius-lg);padding:48px 64px;animation:fadeInUp .3s ease both}#pause-content h2{font-family:var(--font-display);font-size:2.5rem;letter-spacing:4px;color:var(--color-primary)}@keyframes bounce{0%{transform:translateY(0)}to{transform:translateY(-12px)}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse-glow{0%,to{text-shadow:0 0 20px rgba(0,255,200,.4)}50%{text-shadow:0 0 50px rgba(0,255,200,.9)}}@keyframes coin-collect{0%{transform:scale(1)}50%{transform:scale(1.4)}to{transform:scale(1)}}@media(max-width:480px){#hud-top{padding:12px}#score-value{font-size:1.4rem}#game-over-content{padding:28px 24px;min-width:300px}.btn-primary,.btn-secondary{padding:12px 32px;font-size:1.25rem}#input-hints{flex-wrap:wrap;justify-content:center;gap:10px}}