*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg-primary: #f5f5f7;--bg-secondary: #e8e8eb;--bg-card: #ffffff;--bg-card-hover:#f5f5f7;--border: rgba(26,26,46,.08);--border-hover: rgba(26,26,46,.16);--accent: #c1356a;--accent-light: #b02a5e;--accent-glow: rgba(193,53,106,.25);--accent-dark: #7a1f4a;--accent-warm: #a62e5c;--gold: #7a5d2e;--gold-light: #6b5226;--gold-dark: #5c451f;--green: #237a3e;--green-dark: #1e6b3a;--red: #b91c1c;--blue: #2563eb;--blue-dark: #1d4ed8;--orange: #c2410c;--orange-dark: #9a3412;--text-primary: #1a1a2e;--text-secondary: rgba(26,26,46,.7);--text-muted: rgba(26,26,46,.6);--radius-sm: 6px;--radius-md: 12px;--radius-lg: 18px;--radius-xl: 24px;--font-sans: "Inter", system-ui, sans-serif;--font-display: "Space Grotesk", system-ui, sans-serif;--shadow-card: 0 4px 24px rgba(0,0,0,.12);--shadow-glow: 0 0 32px var(--accent-glow)}html,body{height:100%;background:var(--bg-primary);color:var(--text-primary);font-family:var(--font-sans);font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:#c1356a66;border-radius:3px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:1.5rem;box-shadow:var(--shadow-card);transition:border-color .2s,box-shadow .2s}.card:hover{border-color:var(--border-hover)}.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;border-radius:var(--radius-md);font-size:14px;font-weight:600;font-family:var(--font-sans);cursor:pointer;border:none;transition:all .2s;text-decoration:none}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-light);box-shadow:var(--shadow-glow);transform:translateY(-1px)}.btn-secondary{background:var(--bg-card);border:1px solid var(--border);color:var(--text-primary)}.btn-secondary:hover{background:var(--bg-card-hover);border-color:var(--border-hover)}.btn-ghost{background:transparent;color:var(--text-secondary)}.btn-ghost:hover{color:var(--text-primary);background:#1a1a2e0d}.btn-danger{background:#b91c1c1a;color:var(--red);border:1px solid rgba(185,28,28,.3)}.btn-danger:hover{background:#b91c1c33}.btn-gold{background:linear-gradient(135deg,var(--gold),var(--gold-light));color:#fff}.btn-gold:hover{opacity:.9;box-shadow:0 0 24px #8b6d3a59;transform:translateY(-1px)}.btn-sm{padding:6px 14px;font-size:13px}.btn-lg{padding:14px 28px;font-size:16px;border-radius:var(--radius-lg)}.badge{display:inline-flex;align-items:center;gap:4px;padding:2px 10px;border-radius:20px;font-size:11px;font-weight:600}.badge-accent{background:#c1356a1f;color:var(--accent-dark);border:1px solid rgba(193,53,106,.25)}.badge-gold{background:#8a6d3b1a;color:var(--gold-dark);border:1px solid rgba(138,109,59,.25)}.badge-green{background:#237a3e1a;color:var(--green-dark);border:1px solid rgba(35,122,62,.2)}.badge-red{background:#b91c1c14;color:var(--red)}.badge-blue{background:#2563eb1a;color:var(--blue-dark)}.page-header{margin-bottom:2rem}.page-header h1{font-family:var(--font-display);font-size:1.75rem;font-weight:700}.page-header p{color:var(--text-secondary);margin-top:4px;font-size:14px}.grid-2{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1rem}.grid-3{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1rem}.grid-4{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:1rem}.stat-card{text-align:center}.stat-card .stat-value{font-family:var(--font-display);font-size:2rem;font-weight:700;color:var(--accent)}.stat-card .stat-label{font-size:12px;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;margin-top:2px}.progress-track{height:6px;background:#1a1a2e14;border-radius:3px;overflow:hidden}.progress-fill{height:100%;border-radius:3px;background:linear-gradient(90deg,var(--accent),var(--accent-light));transition:width .5s ease}.progress-fill.gold{background:linear-gradient(90deg,var(--gold),var(--gold-light))}.progress-fill.green{background:linear-gradient(90deg,var(--green),var(--green-dark))}.tag{display:inline-flex;align-items:center;padding:3px 10px;border-radius:20px;font-size:11px;font-weight:500}.tag-warmup{background:#c2410c1a;color:var(--orange-dark)}.tag-scales{background:#237a3e1a;color:var(--green-dark)}.tag-harmony{background:#8a6d3b1a;color:var(--gold-dark)}.tag-speed{background:#b91c1c1a;color:var(--red)}.tag-fretboard{background:#c1356a1a;color:var(--accent-dark)}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes popIn{0%{opacity:0;transform:scale(.92)}to{opacity:1;transform:scale(1)}}@keyframes shimmer{0%,to{opacity:1}50%{opacity:.5}}@keyframes glow-pulse{0%,to{box-shadow:var(--shadow-glow)}50%{box-shadow:0 0 48px var(--accent-glow)}}@keyframes streak-fire{0%{transform:scale(1) rotate(-5deg)}50%{transform:scale(1.1) rotate(3deg)}to{transform:scale(1) rotate(-5deg)}}.animate-in{animation:fadeIn .3s ease forwards}.pop-in{animation:popIn .25s cubic-bezier(.34,1.56,.64,1) forwards}.streak-anim{animation:streak-fire 1s ease-in-out infinite}.glow-anim{animation:glow-pulse 2s ease-in-out infinite}.toast-container{position:fixed;bottom:24px;right:24px;z-index:9999;display:flex;flex-direction:column;gap:8px}.toast{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);padding:12px 16px;display:flex;align-items:center;gap:10px;box-shadow:var(--shadow-card);animation:fadeIn .3s ease;max-width:320px;font-size:14px}.toast.success{border-color:#237a3e4d}.toast.error{border-color:#b91c1c4d}input[type=text],input[type=number],textarea,select{background:#1a1a2e0d;border:1px solid var(--border);color:var(--text-primary);border-radius:var(--radius-sm);padding:8px 12px;font-size:14px;font-family:var(--font-sans);outline:none;transition:border-color .2s;width:100%}input:focus,textarea:focus,select:focus{border-color:var(--accent)}input[type=range]{accent-color:var(--accent);cursor:pointer}label{font-size:13px;color:var(--text-secondary);margin-bottom:4px;display:block}.divider{height:1px;background:var(--border);margin:1.5rem 0}.empty-state{text-align:center;padding:3rem 1rem;color:var(--text-muted)}.empty-state .icon{font-size:3rem;margin-bottom:1rem;opacity:.5}.empty-state p{font-size:14px}.locked-overlay{position:relative;overflow:hidden}.locked-overlay:after{content:"\1f512  Premium";position:absolute;inset:0;background:#e8e8ebeb;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:600;color:var(--accent-dark);border-radius:inherit;backdrop-filter:blur(2px)}