:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media(prefers-color-scheme:light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}:root{--neon-blue: #00f3ff;--neon-pink: #bc13fe;--neon-green: #0aff0a;--bg-dark: #0a0a0f;--panel-bg: rgba(20, 20, 30, .7);--border-color: rgba(0, 243, 255, .3);--text-main: #e0e0e0;--text-dim: #889}body{margin:0;font-family:Rajdhani,sans-serif;background-color:var(--bg-dark);background-image:radial-gradient(circle at 50% 0%,#1a1a2e 0%,transparent 70%),linear-gradient(0deg,transparent 24%,rgba(0,243,255,.03) 25%,rgba(0,243,255,.03) 26%,transparent 27%,transparent 74%,rgba(0,243,255,.03) 75%,rgba(0,243,255,.03) 76%,transparent 77%,transparent),linear-gradient(90deg,transparent 24%,rgba(0,243,255,.03) 25%,rgba(0,243,255,.03) 26%,transparent 27%,transparent 74%,rgba(0,243,255,.03) 75%,rgba(0,243,255,.03) 76%,transparent 77%,transparent);background-size:100% 100%,50px 50px,50px 50px;color:var(--text-main);overflow:hidden;height:100vh}.app-container{display:flex;flex-direction:column;height:100vh;width:100vw}main{flex:1;display:flex;justify-content:center;align-items:center;width:100%;padding:2rem;box-sizing:border-box}.app-header{padding:1rem 1.5rem;display:flex;justify-content:space-between;align-items:center;position:relative;border-bottom:1px solid rgba(255,255,255,.05);background:#0003;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}.logo-container{display:flex;align-items:center;gap:1rem}.app-logo{height:50px;width:auto;filter:drop-shadow(0 0 10px rgba(0,243,255,.5))}.app-header h1{margin:0;font-family:Orbitron,sans-serif;font-size:2.5rem;letter-spacing:4px;text-transform:uppercase;background:linear-gradient(to right,#fff,var(--neon-blue));background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent;text-shadow:0 0 20px rgba(0,243,255,.5)}.user-info{position:absolute;right:2rem;display:flex;align-items:center;gap:1rem;background:#ffffff0d;padding:.5rem 1rem;border-radius:50px;border:1px solid rgba(255,255,255,.1);transition:all .3s ease}.user-info:hover{background:#ffffff1a;border-color:var(--neon-blue)}.user-avatar{width:32px;height:32px;border-radius:50%;border:2px solid var(--neon-blue)}.btn-primary{background:#00f3ff0d;border:1px solid var(--neon-blue);color:var(--neon-blue);padding:1rem 3rem;font-family:Orbitron,sans-serif;font-size:1.2rem;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);text-transform:uppercase;letter-spacing:2px;position:relative;overflow:hidden;clip-path:polygon(10px 0,100% 0,100% calc(100% - 10px),calc(100% - 10px) 100%,0 100%,0 10px)}.btn-primary:hover{background:var(--neon-blue);color:#000;box-shadow:0 0 30px #00f3ff66;transform:translateY(-2px)}.btn-primary:active{transform:translateY(0)}.btn-small{background:transparent;border:1px solid rgba(255,255,255,.2);color:var(--text-dim);padding:.5rem 1rem;font-family:Rajdhani,sans-serif;font-weight:600;cursor:pointer;border-radius:4px;transition:all .2s;text-transform:uppercase;letter-spacing:1px}.btn-small:hover{border-color:var(--neon-blue);color:var(--neon-blue);background:#00f3ff0d}.menu{display:flex;flex-direction:column;gap:1.5rem;background:var(--panel-bg);padding:3rem;border-radius:0;border:1px solid var(--border-color);box-shadow:0 0 50px #00000080,inset 0 0 20px #00f3ff0d;text-align:center;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);max-height:80vh;overflow-y:auto;width:100%;max-width:800px;position:relative;clip-path:polygon(20px 0,100% 0,100% calc(100% - 20px),calc(100% - 20px) 100%,0 100%,0 20px)}.login-logo{height:220px;width:auto;margin:0 auto 1.5rem;filter:drop-shadow(0 0 30px rgba(0,243,255,.4));display:block}.menu::-webkit-scrollbar{width:6px}.menu::-webkit-scrollbar-track{background:#0003}.menu::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:3px}.menu h2,.menu h3{font-family:Orbitron,sans-serif;color:#fff;margin-bottom:.5rem;font-weight:400}.menu-section{display:flex;flex-direction:column;gap:.8rem;background:#0003;padding:1.5rem;border-radius:4px;border-left:2px solid var(--border-color)}.song-select,input[type=file]{padding:12px;font-family:Rajdhani,sans-serif;font-size:1.1rem;background:#0000004d;color:#fff;border:1px solid rgba(255,255,255,.1);border-radius:4px;width:100%;box-sizing:border-box;transition:border-color .3s}.song-select:focus{outline:none;border-color:var(--neon-blue)}.upload-group{display:flex;flex-direction:column;gap:12px;align-items:flex-start;width:100%}.upload-group label{display:flex;flex-direction:column;gap:5px;width:100%;text-align:left;font-size:.9rem;color:var(--text-dim)}.game-container{width:100%;height:60vh;min-height:300px;background:var(--fretboard-bg);border:1px solid rgba(0,243,255,.3);border-radius:12px;display:flex;justify-content:center;align-items:center;position:relative;box-shadow:0 0 50px #000c;overflow:hidden;margin:0 auto}@media(max-width:768px){.game-container{height:50vh;min-height:250px}.app-header{padding:1rem;flex-direction:column;gap:1rem}.app-header h1{font-size:1.8rem}.user-info{position:relative;right:auto;width:100%;justify-content:center}.score-display{font-size:1.5rem;top:10px;right:10px;padding:.3rem 1rem}.grade{font-size:4rem}.menu-grid{flex-direction:column;align-items:center}.menu-section{width:100%;min-width:0}.menu{padding:1.5rem;width:95%}.stats-container{gap:1rem}.stat-card{min-width:100%}}@media(max-width:480px){.app-header h1{font-size:1.4rem}.btn-primary{padding:.8rem 1.5rem;font-size:1rem}.login-actions{flex-direction:column;width:100%}.btn-secondary{width:100%}}.game-container canvas{box-shadow:0 0 50px #00f3ff1a}.score-display{position:absolute;top:30px;right:40px;font-family:Orbitron,sans-serif;font-size:2.5rem;color:#fff;text-shadow:0 0 10px var(--neon-blue);z-index:10;background:#00000080;padding:.5rem 1.5rem;border:1px solid var(--neon-blue);border-radius:4px;clip-path:polygon(10px 0,100% 0,100% calc(100% - 10px),calc(100% - 10px) 100%,0 100%,0 10px)}.results-stats{display:grid;gap:1rem;margin:2rem 0}.results-stats p{font-size:1.4rem;margin:0;display:flex;justify-content:space-between;border-bottom:1px solid rgba(255,255,255,.1);padding-bottom:.5rem}.grade{font-family:Orbitron,sans-serif;font-size:6rem;margin:1rem 0;background:linear-gradient(to bottom,#fff,#888);background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent;filter:drop-shadow(0 0 20px rgba(255,255,255,.5))}table{width:100%;border-collapse:separate;border-spacing:0 4px;margin-top:1rem}th{text-align:left;padding:1rem;color:var(--text-dim);font-weight:600;text-transform:uppercase;font-size:.8rem;letter-spacing:1px}td{padding:1rem;background:#ffffff08;border:none}tr:hover td{background:#ffffff12}td:first-child{border-radius:4px 0 0 4px}td:last-child{border-radius:0 4px 4px 0}.grade-A{color:var(--neon-green);text-shadow:0 0 10px var(--neon-green)}.grade-B{color:gold}.grade-C{color:orange}.grade-D{color:#f44}.grade-F{color:#666}.loading-text{color:var(--neon-blue);font-family:Orbitron,sans-serif;font-size:.9rem;animation:pulse 1.5s infinite;margin-top:.5rem}@keyframes pulse{0%{opacity:.4}50%{opacity:1}to{opacity:.4}}.login-actions{display:flex;flex-direction:row;gap:1.5rem;justify-content:center;align-items:center;margin-top:2rem;flex-wrap:wrap}.btn-secondary{background:transparent;border:1px solid rgba(255,255,255,.3);color:var(--text-main);padding:1rem 2rem;font-family:Orbitron,sans-serif;font-size:1rem;cursor:pointer;transition:all .3s;text-transform:uppercase;letter-spacing:1px;clip-path:polygon(10px 0,100% 0,100% calc(100% - 10px),calc(100% - 10px) 100%,0 100%,0 10px)}.btn-secondary:hover{border-color:var(--neon-blue);color:var(--neon-blue);background:#00f3ff0d;transform:translateY(-2px)}.profile-dropdown{position:absolute;top:100%;right:0;background:#1a1a2e;border:1px solid var(--neon-blue);border-radius:4px;padding:.5rem;display:flex;flex-direction:column;gap:.5rem;z-index:100;width:150px;box-shadow:0 5px 15px #00000080}.profile-dropdown button{background:transparent;border:none;color:#fff;padding:.5rem;text-align:left;cursor:pointer;font-family:Rajdhani,sans-serif;transition:color .2s}.profile-dropdown button:hover{color:var(--neon-blue)}.user-info{cursor:pointer;-webkit-user-select:none;user-select:none}.menu-grid{display:flex;gap:1rem;flex-wrap:wrap;justify-content:center;width:100%}.menu-section{flex:1 1 200px;min-width:200px}.menu-section.full-width{flex:1 1 100%;width:100%}.start-btn{width:100%;margin-top:1rem}.profile-dashboard{max-width:800px;width:100%;padding-bottom:7rem}.profile-actions{margin-top:3rem;width:100%;display:flex;justify-content:center;padding-bottom:2rem}.profile-header{display:flex;flex-direction:column;align-items:center;gap:1rem;margin-bottom:2rem}.profile-avatar-large{width:100px;height:100px;border-radius:50%;border:3px solid var(--neon-blue);box-shadow:0 0 20px #00f3ff4d}.stats-container{display:flex;justify-content:space-around;flex-wrap:wrap;gap:1.5rem;margin-bottom:2rem;width:100%}.stat-card{background:#ffffff0d;padding:1.5rem;border-radius:8px;text-align:center;flex:1;min-width:150px;border:1px solid rgba(255,255,255,.1)}.stat-value{font-size:2.5rem;font-family:Orbitron,sans-serif;color:var(--neon-blue);margin:.5rem 0 0}.donut-card{display:flex;flex-direction:column;align-items:center}.donut-chart{width:100px;height:100px;border-radius:50%;position:relative;display:flex;justify-content:center;align-items:center;margin-top:.5rem;box-shadow:0 0 15px #00000080}.donut-inner{width:80px;height:80px;background:#1a1a2e;border-radius:50%;display:flex;justify-content:center;align-items:center;font-family:Orbitron,sans-serif;font-size:1.2rem;color:#fff}.history-section{width:100%;text-align:left}.history-section h3{border-bottom:1px solid var(--border-color);padding-bottom:.5rem;margin-bottom:1rem}.mode-selection{display:flex;gap:2rem;justify-content:center;width:100%;flex-wrap:wrap}.mode-card{background:#ffffff0d;border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:2rem;width:200px;height:200px;display:flex;flex-direction:column;align-items:center;justify-content:center;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden}.mode-card:hover{background:#00f3ff1a;border-color:var(--neon-blue);transform:translateY(-5px);box-shadow:0 10px 30px #00f3ff33}.mode-icon{font-size:4rem;margin-bottom:1rem;filter:drop-shadow(0 0 10px rgba(255,255,255,.3))}.mode-card h3{margin:0;font-size:1.2rem;color:#fff}.mode-card p{margin:.5rem 0 0;font-size:.9rem;color:var(--text-dim)}.submenu{width:100%;display:flex;flex-direction:column;gap:1.5rem;animation:fadeIn .3s ease}.back-btn{align-self:flex-start;margin-bottom:1rem}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@media(max-width:768px){.mode-selection{flex-direction:column;align-items:center}.mode-card{width:100%;height:auto;flex-direction:row;justify-content:flex-start;padding:1.5rem;gap:1.5rem}.mode-icon{font-size:2.5rem;margin-bottom:0}.mode-card div{text-align:left}}