:root{--bg:#0a0a0f;--bg-card:rgba(18,18,30,0.85);--bg-surface:#12121e;--text:#e8e8f0;--text-muted:#888;--accent:#6c5ce7;--accent2:#a855f7;--accent-glow:rgba(108,92,231,0.3);--gradient:linear-gradient(135deg,#6c5ce7,#a855f7,#ec4899);--border:rgba(255,255,255,0.08);--radius:12px;--font:'Inter',sans-serif;--mono:'JetBrains Mono',monospace;--correct:#10b981;--incorrect:#ef4444;--current:#6c5ce7}
[data-theme="light"]{--bg:#f5f5fa;--bg-card:rgba(255,255,255,0.9);--bg-surface:#fff;--text:#1a1a2e;--text-muted:#666;--border:rgba(0,0,0,0.08);--accent-glow:rgba(108,92,231,0.15)}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:var(--font);background:var(--bg);color:var(--text);min-height:100vh;overflow-x:hidden}
.bg-particles{position:fixed;inset:0;z-index:-1;overflow:hidden}
.bg-particles::before,.bg-particles::after{content:'';position:absolute;border-radius:50%;filter:blur(100px);opacity:0.15;animation:float 20s infinite}
.bg-particles::before{width:600px;height:600px;background:var(--accent);top:-200px;left:-200px}
.bg-particles::after{width:500px;height:500px;background:var(--accent2);bottom:-200px;right:-200px;animation-delay:-10s}
@keyframes float{0%,100%{transform:translate(0,0)}50%{transform:translate(60px,40px)}}
.container{max-width:900px;margin:0 auto;padding:0 1.5rem}
.navbar{position:sticky;top:0;z-index:100;background:rgba(10,10,15,0.8);backdrop-filter:blur(20px);border-bottom:1px solid var(--border);padding:0.75rem 0}
[data-theme="light"] .navbar{background:rgba(245,245,250,0.85)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:1rem}
.brand{text-decoration:none;color:var(--text);font-weight:700;font-size:1.25rem;display:flex;align-items:center;gap:0.5rem}
.brand span{background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.nav-links{display:flex;gap:0.5rem;align-items:center;flex-wrap:wrap}
.nav-links a{text-decoration:none;color:var(--text-muted);font-size:0.9rem;padding:0.4rem 0.75rem;border-radius:8px;transition:all 0.2s}
.nav-links a:hover,.nav-links a.active{color:var(--text);background:var(--accent-glow)}
.kofi-link{color:#ff5e5b !important;font-weight:600}
.theme-btn{background:none;border:1px solid var(--border);width:36px;height:36px;border-radius:50%;cursor:pointer;font-size:1.1rem;display:flex;align-items:center;justify-content:center;transition:all 0.2s}
.theme-btn:hover{border-color:var(--accent);transform:scale(1.1)}
.hero{text-align:center;padding:3rem 0 1.5rem}
.hero h1{font-size:clamp(2rem,5vw,3rem);font-weight:800;line-height:1.2;margin-bottom:0.5rem}
.gradient-text{background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.hero-sub{color:var(--text-muted);font-size:1.1rem;max-width:500px;margin:0 auto}
.glass-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:2rem;margin-bottom:2rem;backdrop-filter:blur(10px);transition:border-color 0.3s}
.glass-card:hover{border-color:rgba(108,92,231,0.3)}
.controls{display:flex;gap:1.5rem;justify-content:center;margin-bottom:1.5rem;flex-wrap:wrap}
.control-group label{display:block;font-size:0.8rem;color:var(--text-muted);margin-bottom:0.4rem;text-transform:uppercase;letter-spacing:0.05em;text-align:center}
.btn-group{display:flex;gap:0.25rem}
.btn-group button{padding:0.5rem 1rem;border:1px solid var(--border);background:transparent;color:var(--text-muted);border-radius:8px;cursor:pointer;font-size:0.85rem;transition:all 0.2s;font-family:var(--font)}
.btn-group button.active,.btn-group button:hover{background:var(--accent);color:#fff;border-color:var(--accent)}
.stats-bar{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;margin-bottom:1.5rem}
.stat{text-align:center}
.stat-label{display:block;font-size:0.75rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:0.05em}
.stat-value{font-size:1.75rem;font-weight:700;font-family:var(--mono);background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.text-display{font-family:var(--mono);font-size:1.2rem;line-height:2;padding:1.5rem;background:var(--bg-surface);border-radius:8px;margin-bottom:1rem;min-height:120px;user-select:none;word-wrap:break-word;position:relative;border:1px solid var(--border)}
.text-display .char{transition:color 0.1s}
.text-display .char.correct{color:var(--correct)}
.text-display .char.incorrect{color:var(--incorrect);text-decoration:underline}
.text-display .char.current{background:var(--accent-glow);border-radius:2px;animation:blink 1s infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:0.6}}
.typing-input{width:100%;padding:1rem;background:var(--bg-surface);border:2px solid var(--border);border-radius:8px;color:var(--text);font-family:var(--mono);font-size:1.1rem;outline:none;transition:border-color 0.2s}
.typing-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}
.progress-bar{height:4px;background:var(--bg-surface);border-radius:2px;margin:1rem 0;overflow:hidden}
.progress-fill{height:100%;background:var(--gradient);border-radius:2px;width:0;transition:width 0.3s}
.arena-actions{display:flex;gap:0.75rem;justify-content:center}
.btn{padding:0.7rem 1.5rem;border:none;border-radius:8px;cursor:pointer;font-family:var(--font);font-size:0.95rem;font-weight:600;transition:all 0.2s;text-decoration:none;display:inline-flex;align-items:center;gap:0.4rem}
.btn-primary{background:var(--gradient);color:#fff}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 25px var(--accent-glow)}
.btn-secondary{background:transparent;color:var(--text);border:1px solid var(--border)}
.btn-secondary:hover{border-color:var(--accent);color:var(--accent)}
.results-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;margin:1.5rem 0}
.result-item{text-align:center;padding:1rem;background:var(--bg-surface);border-radius:8px;border:1px solid var(--border)}
.result-number{font-size:2rem;font-weight:800;font-family:var(--mono);background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.result-label{font-size:0.8rem;color:var(--text-muted);margin-top:0.3rem;text-transform:uppercase}
.result-chart-container{margin:1.5rem 0;height:200px}
.history-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;margin-bottom:1.5rem}
.history-stat{text-align:center;padding:1rem;background:var(--bg-surface);border-radius:8px;border:1px solid var(--border)}
.hs-label{display:block;font-size:0.75rem;color:var(--text-muted);text-transform:uppercase;margin-bottom:0.3rem}
.hs-value{font-size:1.5rem;font-weight:700;font-family:var(--mono)}
.chart-container{height:250px;margin-top:1rem}
.lb-table{width:100%;border-collapse:collapse;margin-top:1rem}
.lb-table th,.lb-table td{padding:0.75rem;text-align:left;border-bottom:1px solid var(--border);font-size:0.9rem}
.lb-table th{color:var(--text-muted);text-transform:uppercase;font-size:0.75rem;letter-spacing:0.05em}
.lb-table tr:first-child td{color:var(--accent);font-weight:600}
.section-hint{color:var(--text-muted);font-size:0.9rem;margin-top:-0.5rem}
.info-section{margin:2rem 0}
.info-section h2{font-size:1.5rem;margin-bottom:1.5rem;text-align:center}
.info-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem}
.info-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:1.5rem;transition:all 0.3s}
.info-card:hover{border-color:var(--accent);transform:translateY(-3px)}
.info-card h3{font-size:1rem;margin-bottom:0.5rem}
.info-card p{font-size:0.85rem;color:var(--text-muted);line-height:1.6}
.footer{margin-top:3rem;border-top:1px solid var(--border);padding:2rem 0}
.footer-inner{display:flex;flex-wrap:wrap;gap:2rem;justify-content:space-between}
.footer-brand span{font-weight:700;font-size:1.1rem}
.footer-brand p{color:var(--text-muted);font-size:0.85rem;margin-top:0.3rem}
.footer-brand a{color:var(--accent);text-decoration:none}
.footer-links-grid{display:flex;gap:3rem}
.footer-links-grid h4{font-size:0.85rem;margin-bottom:0.75rem;color:var(--text)}
.footer-links-grid a{display:block;color:var(--text-muted);text-decoration:none;font-size:0.85rem;margin-bottom:0.4rem;transition:color 0.2s}
.footer-links-grid a:hover{color:var(--accent)}
.copyright{width:100%;text-align:center;color:var(--text-muted);font-size:0.8rem;margin-top:1rem;padding-top:1rem;border-top:1px solid var(--border)}
@media(max-width:768px){.nav-links{display:none}.stats-bar,.results-grid,.history-stats{grid-template-columns:repeat(2,1fr)}.hero h1{font-size:1.75rem}.footer-links-grid{flex-direction:column;gap:1.5rem}}

/* Ghost Race */
.ghost-race-bar{margin-top:0.75rem;padding:0.5rem 1rem;background:var(--bg-surface);border-radius:8px;border:1px solid var(--border);display:flex;align-items:center;gap:1rem}
.ghost-race-bar .ghost-label{font-size:0.75rem;color:var(--text-muted);white-space:nowrap}
.ghost-progress-track{flex:1;height:6px;background:var(--border);border-radius:3px;overflow:hidden}
.ghost-progress-track .ghost-fill{height:100%;background:rgba(239,68,68,0.5);border-radius:3px;width:0;transition:width 0.5s}
.ghost-delta{font-size:0.8rem;font-weight:700;font-family:var(--mono);white-space:nowrap}
.ghost-delta.ahead{color:var(--correct)}
.ghost-delta.behind{color:var(--incorrect)}

/* Keyboard Heatmap */
.keyboard-heatmap{display:flex;flex-direction:column;align-items:center;gap:6px;padding:1rem 0}
.kb-row{display:flex;gap:6px;justify-content:center}
.kb-key{width:52px;height:52px;border-radius:8px;display:flex;flex-direction:column;align-items:center;justify-content:center;border:1px solid var(--border);transition:all 0.2s;cursor:default}
.kb-key:hover{transform:scale(1.1);box-shadow:0 4px 12px rgba(0,0,0,0.3)}
.kb-letter{font-weight:700;font-size:0.95rem;color:#fff;text-shadow:0 1px 2px rgba(0,0,0,0.3)}
.kb-acc{font-size:0.55rem;color:rgba(255,255,255,0.8);margin-top:1px}
@media(max-width:480px){.kb-key{width:32px;height:40px}.kb-letter{font-size:0.7rem}.kb-acc{display:none}}