:root{--bg-color: #0f172a;--panel-bg: rgba(30, 41, 59, .7);--text-main: #f8fafc;--text-muted: #94a3b8;--accent-color: #8b5cf6;--accent-glow: rgba(139, 92, 246, .5);--score-color: #fbbf24;--key-bg: #334155;--key-border: #1e293b;--key-active: #475569;--correct-color: #10b981;--correct-glow: rgba(16, 185, 129, .4);--error-color: #ef4444;--error-glow: rgba(239, 68, 68, .4);--font-main: "Inter", sans-serif;--font-mono: "Fira Code", monospace}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-main);background:radial-gradient(circle at top,#1e1b4b,var(--bg-color));color:var(--text-main);min-height:100vh;display:flex;justify-content:center;align-items:flex-start;overflow-y:auto;overflow-x:hidden}.dev-banner{background-color:#f59e0b;color:#1e293b;text-align:center;padding:.5rem 1rem;font-size:.9rem;font-weight:600;width:100%;box-shadow:0 2px 10px #0003;z-index:1000}#app{width:100%;max-width:1000px;min-height:100vh;position:relative;display:flex;flex-direction:column}.screen{width:100%;min-height:100vh;display:flex;flex-direction:column;padding:2rem;transition:opacity .3s ease}.hidden{display:none!important}#screen-home{align-items:center;justify-content:flex-start;padding-top:2rem}.home-box{background:var(--panel-bg);padding:2rem 3rem;border-radius:20px;border:1px solid rgba(255,255,255,.1);-webkit-backdrop-filter:blur(15px);backdrop-filter:blur(15px);box-shadow:0 20px 50px #00000080;text-align:center;width:100%;max-width:500px;position:relative}.home-box h1{margin-bottom:.5rem}.home-box p{color:var(--text-muted);margin-bottom:2rem}.form-group{display:flex;flex-direction:column;text-align:left;margin-bottom:1.5rem}.form-group label{font-size:.85rem;color:var(--text-muted);margin-bottom:.5rem}.form-group input,.form-group select{background:#0f172acc;border:1px solid var(--accent-color);color:var(--text-main);padding:.75rem 1rem;border-radius:8px;font-family:var(--font-main);font-size:1rem;outline:none}.form-group input:focus,.form-group select:focus{box-shadow:0 0 10px var(--accent-glow)}.menu-actions{display:flex;flex-wrap:wrap;gap:1rem;margin-top:1rem;margin-bottom:2rem}.menu-actions button{padding:1rem;font-size:1.1rem}#btn-mode-course{flex:1 1 100%;padding:1.25rem;font-size:1.25rem}#btn-mode-game,#btn-mode-multiplayer{flex:1 1 calc(50% - .5rem)}.leaderboard-preview h3{font-size:1rem;color:var(--score-color);margin-bottom:1rem;border-bottom:1px solid rgba(255,255,255,.1);padding-bottom:.5rem}#leaderboard-list{list-style:none;text-align:left}#leaderboard-list li{display:flex;justify-content:space-between;align-items:center;gap:1rem;padding:.5rem 0;border-bottom:1px dashed rgba(255,255,255,.05);font-family:var(--font-mono)}#leaderboard-list li span.lb-name{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex:1}#leaderboard-list li span.lb-score{color:var(--score-color);font-weight:700;white-space:nowrap}.top-bar{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem;padding-bottom:1rem;border-bottom:1px solid rgba(255,255,255,.1)}h1{font-size:2rem;font-weight:700;letter-spacing:-1px}h1 span{color:var(--accent-color)}.stats{display:flex;gap:1rem}.stat-box{display:flex;flex-direction:column;align-items:center;background:var(--panel-bg);padding:.5rem 1rem;border-radius:12px;border:1px solid rgba(255,255,255,.05)}.stat-label{font-size:.65rem;color:var(--text-muted);letter-spacing:1px}.stat-value{font-size:1.25rem;font-weight:700;font-family:var(--font-mono);color:var(--accent-color)}.main-content{flex:1;display:flex;flex-direction:column;gap:1rem}.typing-container{background:var(--panel-bg);border-radius:16px;padding:2rem;min-height:150px;display:flex;align-items:center;border:1px solid rgba(255,255,255,.05);box-shadow:inset 0 2px 10px #0003}.text-display{font-family:var(--font-mono);font-size:1.75rem;line-height:1.5;color:var(--text-muted);white-space:pre-wrap;word-break:break-all}.text-display span.correct{color:var(--correct-color);text-shadow:0 0 5px var(--correct-glow)}.text-display span.incorrect{color:var(--error-color);background-color:#ef444433;border-radius:4px}.text-display span.current{color:var(--text-main);border-bottom:2px solid var(--accent-color);animation:blink 1s infinite}@keyframes blink{0%,to{border-color:transparent}50%{border-color:var(--accent-color)}}.game-header{display:flex;justify-content:space-between;margin-bottom:1rem}#game-lives{font-size:1.5rem}.home-layout{display:flex;flex-direction:row!important;align-items:flex-start!important;justify-content:space-between;gap:4rem;max-width:1200px;margin:0 auto;padding:0 4rem}.home-layout>.home-box{flex:0 1 450px;min-width:300px;width:100%}.ranking-box{background:#0f172a99;border:1px solid rgba(255,255,255,.05)}.beta-badge{position:absolute;top:-10px;left:-10px;background:var(--accent-color);color:#fff;font-size:.75rem;font-weight:700;padding:.3rem .6rem;border-radius:10px 0;text-transform:uppercase;letter-spacing:1px;box-shadow:0 4px 10px #0000004d;z-index:10}#screen-home:not(.hidden)~.sound-toggle-container{display:none!important}.sound-toggle-container{position:fixed;bottom:1.5rem;right:1.5rem;z-index:9999;background:var(--panel-bg);padding:.5rem;border-radius:50%;border:1px solid rgba(255,255,255,.1);box-shadow:0 4px 10px #00000080;display:flex;justify-content:center;align-items:center}.sound-toggle-container input{display:none}.sound-toggle-container label{cursor:pointer;font-size:1.5rem;opacity:.8;transition:opacity .2s,transform .2s;display:flex;justify-content:center;align-items:center;line-height:1}.sound-toggle-container label:hover{opacity:1;transform:scale(1.1)}.sound-toggle-container input:checked~label .sound-icon-off{display:none}.sound-toggle-container input:not(:checked)~label .sound-icon-on{display:none}@media (max-width: 768px){.home-layout{flex-direction:column!important}}#result-modal{z-index:1050}#screen-map{justify-content:flex-start;padding-top:2rem;overflow-y:auto;position:relative}.map-watermark{position:fixed;top:0;left:0;width:100%;height:100%;display:flex;justify-content:center;align-items:center;opacity:.05;pointer-events:none;z-index:0;overflow:hidden}.map-watermark .virtual-keyboard{transform:scale(2)}.map-header{display:flex;align-items:center;gap:2rem;margin-bottom:2rem;width:100%;max-width:600px;margin:0 auto 2rem;position:relative;z-index:1}.map-container{display:grid;grid-template-columns:repeat(7,1fr);gap:2rem 1rem;max-width:1100px;margin:0 auto;padding:2rem 1rem;position:relative;z-index:1}.map-node{position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;transition:all .2s;cursor:pointer;text-align:center}.map-node:nth-child(8){grid-column:7;grid-row:2}.map-node:nth-child(9){grid-column:6;grid-row:2}.map-node:nth-child(10){grid-column:5;grid-row:2}.map-node:nth-child(11){grid-column:4;grid-row:2}.map-node:nth-child(12){grid-column:3;grid-row:2}.map-node:nth-child(13){grid-column:2;grid-row:2}.map-node:nth-child(14){grid-column:1;grid-row:2}.map-node-circle{width:60px;height:60px;border-radius:50%;background:var(--panel-bg);border:3px solid rgba(255,255,255,.1);display:flex;justify-content:center;align-items:center;box-shadow:0 4px 10px #0000004d;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);margin-bottom:.5rem;transition:all .2s cubic-bezier(.175,.885,.32,1.275)}.map-node:not(:nth-child(7n)):not(:nth-child(n+8):nth-child(-n+13)):not(:last-child):before{content:"";position:absolute;top:30px;left:50%;width:calc(100% + 1rem);height:6px;background:#ffffff1a;z-index:-1;transform:translateY(-3px);border-radius:3px}.map-node:nth-child(n+8):nth-child(-n+13):before{content:"";position:absolute;top:30px;right:50%;width:calc(100% + 1rem);height:6px;background:#ffffff1a;z-index:-1;transform:translateY(-3px);border-radius:3px}.map-node:nth-child(7):after{content:"";position:absolute;top:30px;left:50%;width:calc(50% + 2rem);height:calc(100% + 2rem);border:6px solid rgba(255,255,255,.1);border-left:none;border-radius:0 40px 40px 0;z-index:-1;box-sizing:border-box;transform:translateY(-3px)}.map-node:nth-child(14):after{content:"";position:absolute;top:30px;right:50%;width:calc(50% + 2rem);height:calc(100% + 2rem);border:6px solid rgba(255,255,255,.1);border-right:none;border-radius:40px 0 0 40px;z-index:-1;box-sizing:border-box;transform:translateY(-3px)}.map-node.locked .map-node-circle{filter:grayscale(1);opacity:.5;background:#0006}.map-node.locked{cursor:not-allowed}.map-node.unlocked .map-node-circle{border-color:var(--accent-color);box-shadow:0 0 20px var(--accent-glow);animation:pulse 2s infinite}.map-node.completed .map-node-circle{border-color:var(--correct-color);background:#10b98126}.map-node.completed:before{background:var(--correct-color)!important;opacity:.5}.map-node.completed:nth-child(7):after,.map-node.completed:nth-child(14):after{border-color:var(--correct-color)!important;opacity:.5}.map-node:not(.locked):hover .map-node-circle{transform:scale(1.15) translateY(-5px);box-shadow:0 10px 20px #0006}.node-icon{font-size:1.5rem;line-height:1}.node-title{font-weight:700;color:var(--text-main);font-size:.75rem;line-height:1.2;text-shadow:0 2px 4px rgba(0,0,0,.5)}.node-type{display:none}.falling-container{position:relative;background:var(--panel-bg);border-radius:16px;height:250px;overflow:hidden;border:1px solid rgba(255,255,255,.05);box-shadow:inset 0 2px 15px #0000004d}.falling-block{position:absolute;width:40px;height:40px;background:var(--key-bg);border:2px solid var(--accent-color);border-radius:8px;display:flex;justify-content:center;align-items:center;font-family:var(--font-mono);font-size:1.25rem;color:#fff;box-shadow:0 0 10px var(--accent-glow);transition:top .1s linear}.falling-block.exploded{animation:explode .3s forwards}@keyframes explode{0%{transform:scale(1);opacity:1}50%{transform:scale(1.5);background:var(--correct-color);border-color:var(--correct-color)}to{transform:scale(2);opacity:0}}.keyboard-container{margin-top:auto;display:flex;justify-content:center;perspective:1000px}@media (max-width: 950px){.virtual-keyboard{zoom:.9}}@media (max-width: 768px){.home-box{padding:1.5rem}.virtual-keyboard{zoom:.75;transform:none}.map-header{flex-direction:column;text-align:center}}@media (max-width: 500px){.virtual-keyboard{zoom:.55;transform:none}}@media (max-height: 800px){.virtual-keyboard{zoom:.9}.falling-container{height:180px}}@media (max-height: 650px){.virtual-keyboard{zoom:.8}.falling-container{height:120px}}.virtual-keyboard{display:flex;flex-direction:column;gap:8px;background:#0f172acc;padding:20px;border-radius:20px;border:1px solid rgba(255,255,255,.1);transform:rotateX(5deg);margin:auto}.key-row{display:flex;gap:8px;justify-content:center}.key{background:var(--key-bg);border:1px solid var(--key-border);border-bottom:4px solid var(--key-border);border-radius:8px;color:var(--text-muted);font-size:.9rem;display:flex;justify-content:center;align-items:center;font-family:var(--font-mono);transition:all .1s ease}.key.active{transform:translateY(4px);border-bottom-width:0px;background:var(--key-active);color:#fff}.key.highlight{box-shadow:0 0 15px var(--accent-glow);border-color:var(--accent-color);color:var(--text-main);background:#8b5cf633}.key.error-anim{background:var(--error-color);box-shadow:0 0 15px var(--error-glow);color:#fff}.k-std{width:50px;height:50px}.k-backspace{width:110px;height:50px}.k-tab{width:75px;height:50px}.k-caps{width:95px;height:50px}.k-enter{width:110px;height:50px}.k-shift-l{width:70px;height:50px}.k-shift-r{width:135px;height:50px}.k-space{width:320px;height:50px}.guide:after{content:"";position:absolute;bottom:5px;width:20px;height:2px;background:var(--text-muted)}.btn-primary,.btn-secondary{padding:.5rem 1.5rem;border:none;border-radius:8px;font-family:var(--font-main);font-weight:600;cursor:pointer;transition:all .2s}.btn-primary{background:var(--accent-color);color:#fff;box-shadow:0 0 15px var(--accent-glow)}.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.2)}.btn-secondary{background:transparent;color:var(--text-main);border:1px solid var(--text-muted)}.btn-secondary:hover{background:#ffffff1a}.auth-container{display:flex;flex-direction:column;gap:.75rem;margin-bottom:2rem}.btn-social{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;padding:.75rem;border:none;border-radius:8px;font-family:var(--font-main);font-weight:600;font-size:1rem;cursor:pointer;transition:transform .2s,filter .2s;color:#fff}.btn-social img{width:20px;height:20px;object-fit:contain}.btn-google{background-color:#fff;color:#3c4043;border:1px solid #dadce0}.btn-google:hover{background-color:#f8f9fa;transform:translateY(-2px);box-shadow:0 4px 10px #0000001a}.btn-linkedin{background-color:#0a66c2;color:#fff}.btn-linkedin:hover{filter:brightness(1.1);transform:translateY(-2px);box-shadow:0 4px 10px #0a66c24d}.divider{display:flex;align-items:center;text-align:center;margin:1rem 0;color:var(--text-muted);font-size:.8rem}.divider:before,.divider:after{content:"";flex:1;border-bottom:1px solid rgba(255,255,255,.1)}.divider span{padding:0 10px}.profile-container{display:flex;align-items:center;justify-content:space-between;background:#1e293b80;padding:.75rem 1rem;border-radius:50px;margin-bottom:2rem;border:1px solid rgba(255,255,255,.1)}.profile-container .avatar{width:44px;height:44px;border-radius:50%;object-fit:cover;border:2px solid rgba(255,255,255,.2)}.profile-info{flex:1;text-align:left;margin-left:1rem}.profile-info h3{margin:0;font-size:1.1rem;color:var(--text-main);font-weight:600}.btn-logout-pill{background:#ef44441a;color:#ef4444;border:1px solid rgba(239,68,68,.3);padding:.4rem 1rem;border-radius:20px;font-weight:600;font-family:var(--font-main);cursor:pointer;transition:all .2s;font-size:.9rem}.btn-logout-pill:hover{background:#ef444433;transform:translateY(-1px)}.footer-panel{margin-top:1rem}.modal{position:fixed;top:0;right:0;bottom:0;left:0;background:#000c;display:flex;justify-content:center;align-items:center;z-index:100;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);opacity:1;transition:opacity .3s}.modal.hidden{opacity:0;pointer-events:none}.modal-content{background:var(--bg-color);padding:3rem;border-radius:20px;border:1px solid rgba(255,255,255,.1);text-align:center;transform:translateY(0);transition:transform .3s;width:500px;max-width:90vw}.modal.hidden .modal-content{transform:translateY(20px)}.modal-stats{display:flex;justify-content:center;gap:3rem;margin:2rem 0}.m-stat{display:flex;flex-direction:column}.m-stat span{color:var(--text-muted);font-size:.875rem;text-transform:uppercase}.m-stat strong{font-size:3rem;color:var(--accent-color);font-family:var(--font-mono)}.modal-actions{display:flex;gap:1rem;justify-content:center;margin-top:1.5rem}.vertical-gauge-container{display:flex;align-items:center;justify-content:center;gap:3rem;height:180px;margin:1.5rem 0 1.5rem 2rem}.vertical-gauge-track{width:30px;height:100%;background:#ffffff1a;border-radius:15px;position:relative;box-shadow:inset 0 2px 5px #00000080;border:1px solid rgba(255,255,255,.1)}.vertical-gauge-fill{width:100%;height:0%;position:absolute;bottom:0;left:0;background:linear-gradient(0deg,#ef4444,#f59e0b 25%,#10b981 40%,#3b82f6 60%,#8b5cf6);border-radius:15px;transition:height 1s cubic-bezier(.175,.885,.32,1.275)}.vertical-gauge-marker{position:absolute;left:0;width:100%;height:2px;background:var(--bg-color);z-index:10}.vertical-gauge-marker span{position:absolute;right:40px;left:auto;top:-8px;font-size:.85rem;color:var(--text-muted);white-space:nowrap}.vertical-gauge-current{display:flex;flex-direction:column;align-items:flex-start;text-align:left;min-width:200px}.vertical-gauge-current span{font-size:3.5rem;font-weight:700;line-height:1}.history-table{width:100%;border-collapse:collapse;font-size:.85rem;background:var(--panel-bg);color:var(--text-main)}.history-table th,.history-table td{padding:.75rem 1rem;text-align:left;border-bottom:1px solid rgba(255,255,255,.05)}.history-table th{background:#0000004d;color:var(--accent-color);font-weight:600;position:sticky;top:0}.history-table tr:hover{background:#ffffff0d}.typing-container{overflow-y:auto;max-height:250px}body.theme-retro .virtual-keyboard{background:#cbd5e1;border:2px solid #94a3b8;box-shadow:0 10px 30px #00000080,inset 0 2px 10px #ffffff80}body.theme-retro .virtual-keyboard .key{border-radius:50%;background:#e2e8f0;border:2px solid #94a3b8;border-bottom:6px solid #64748b;box-shadow:inset 0 2px 4px #fffc,0 4px 5px #0000004d;color:#0f172a;font-family:Courier New,Courier,monospace;font-weight:700}body.theme-retro .virtual-keyboard .k-space,body.theme-retro .virtual-keyboard .k-shift-l,body.theme-retro .virtual-keyboard .k-shift-r,body.theme-retro .virtual-keyboard .k-enter,body.theme-retro .virtual-keyboard .k-caps,body.theme-retro .virtual-keyboard .k-backspace,body.theme-retro .virtual-keyboard .k-tab{border-radius:20px}body.theme-retro .virtual-keyboard .key.active{transform:translateY(6px);border-bottom-width:0px;background:#94a3b8}body.theme-retro .virtual-keyboard .key.highlight{background:#dbeafe;border-color:#3b82f6;box-shadow:0 0 10px #3b82f680}