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var(--border);background:#ffffff0f;border-radius:4px;justify-content:center;align-items:center;width:22px;height:22px;font-size:10px;font-weight:700;display:flex}.settings-key-note{font-size:8px;font-weight:600}.settings-hint-text{color:var(--text-muted);margin-top:8px;font-size:11px;line-height:1.5}.stats-overlay{z-index:150;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#0009;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.stats-card{background:var(--bg-card);border:1px solid var(--border);border-radius:20px;flex-direction:column;width:460px;max-width:95vw;max-height:85vh;display:flex;overflow-y:auto;box-shadow:0 24px 80px #00000080}.stats-header{border-bottom:1px solid var(--border);flex-shrink:0;justify-content:space-between;align-items:center;padding:18px 20px 14px;display:flex}.stats-title{font-size:15px;font-weight:700}.stats-level-block{border-bottom:1px solid var(--border);align-items:center;gap:16px;padding:18px 20px;display:flex}.stats-level-circle{border:3px solid var(--accent);border-radius:50%;flex-direction:column;flex-shrink:0;justify-content:center;align-items:center;width:64px;height:64px;display:flex;box-shadow:0 0 20px #00ccff40}.stats-level-num{font-size:22px;font-weight:900;line-height:1}.stats-level-lbl{opacity:.6;text-transform:uppercase;font-size:9px;font-weight:600}.stats-level-info{flex:1}.stats-level-name{margin-bottom:8px;font-size:15px;font-weight:700;display:block}.stats-xp-bar-track{background:#ffffff12;border-radius:3px;height:6px;margin-bottom:6px;overflow:hidden}.stats-xp-bar-fill{background:linear-gradient(to right, var(--accent), var(--accent-2));border-radius:3px;height:100%}.stats-xp-text{color:var(--text-muted);font-size:11px}.stats-grid{background:var(--border);border-bottom:1px solid var(--border);grid-template-columns:repeat(4,1fr);gap:1px;display:grid}.stats-tile{background:var(--bg-card);flex-direction:column;align-items:center;gap:4px;padding:14px 8px;display:flex}.stats-tile-val{color:var(--accent);font-size:22px;font-weight:800}.stats-tile-lbl{color:var(--text-muted);text-align:center;font-size:10px;font-weight:600}.stats-section-title{letter-spacing:.08em;text-transform:uppercase;color:var(--text-muted);padding:14px 20px 8px;font-size:11px;font-weight:700;display:block}.stats-lessons{border-bottom:1px solid var(--border)}.stats-lesson-list{flex-direction:column;gap:4px;padding:0 12px 12px;display:flex}.stats-lesson-row{background:#ffffff05;border-radius:8px;align-items:center;gap:8px;padding:7px 8px;display:flex}.stats-lesson-icon{flex-shrink:0;font-size:14px}.stats-lesson-name{flex:1;font-size:12px;font-weight:500}.stats-lesson-stars{color:#ffe600;flex-shrink:0;font-size:11px}.stats-lesson-score{color:var(--text-muted);text-align:right;min-width:28px;font-size:11px;font-weight:700}.stats-empty{text-align:center;color:var(--text-muted);padding:24px 20px;font-size:13px}.stats-footer{justify-content:center;padding:12px 20px;display:flex}.metro-widget{border:1px solid var(--border);background:#ffffff08;border-radius:10px;flex-shrink:0;align-self:flex-start;align-items:center;gap:6px;margin-bottom:6px;padding:6px 12px;display:flex}.metro-beat{background:#fff3;border-radius:50%;width:10px;height:10px}.metro-beat-down{background:var(--accent)!important}.metro-beat-active{background:#ffffffb3}.metro-bpm{color:var(--text-muted);margin-left:4px;font-size:11px;font-weight:700}.song-progress-track{background:#ffffff1a;border-radius:2px;width:100%;height:3px;margin:4px 0;overflow:hidden}.song-progress-fill{background:linear-gradient(to right, var(--accent), var(--accent-2));border-radius:2px;height:100%;transition:width .3s linear}.song-upcoming{flex-wrap:wrap;justify-content:center;align-items:center;gap:5px;display:flex}.song-upcoming-label{color:#fff6;flex-shrink:0;font-size:10px}.song-upcoming-note{border:1px solid;border-radius:6px;padding:2px 7px;font-size:11px;font-weight:700}.song-countdown-hint{background:#ffffff0d;border:1px solid #ffffff1a;border-radius:16px;flex-direction:column;align-items:center;gap:10px;margin-top:8px;padding:16px 24px;display:flex}.song-countdown-hint-label{color:#ffffffb3;font-size:14px;font-weight:600}.song-countdown-hint-notes{flex-wrap:wrap;justify-content:center;gap:10px;display:flex}.song-countdown-hint-note{border:2px solid;border-radius:12px;padding:8px 16px;font-size:20px;font-weight:800;animation:1s ease-in-out infinite hint-pulse}@keyframes hint-pulse{0%,to{transform:scale(1)}50%{transform:scale(1.06)}}.song-countdown-hint-sub{color:#ffffff8c;margin:0;font-size:13px}.streak-badge{cursor:default;-webkit-user-select:none;user-select:none;background:#ffa0001f;border:1px solid #ffa0004d;border-radius:20px;align-items:center;gap:4px;padding:4px 9px;font-size:13px;display:flex}.streak-count{color:orange;font-size:12px;font-weight:700}.sb-stars{gap:1px;margin-top:3px;display:flex}.sb-star-filled{color:gold;text-shadow:0 0 6px #ffd700b3;font-size:11px}.sb-star-empty{color:#ffffff26;font-size:11px}.sb-song-locked{opacity:.45;cursor:not-allowed!important}.sb-lock-hint{color:var(--text-muted);font-size:10px;font-style:italic}.song-complete-stars{justify-content:center;gap:8px;margin:8px 0 4px;display:flex}.complete-star-filled{color:gold;text-shadow:0 0 16px #ffd700cc;font-size:36px;display:inline-block}.complete-star-empty{color:#ffffff1f;font-size:36px;display:inline-block}.sheet-controls{z-index:5;background:#0d0f1ce6;border-top:1px solid #ffffff1a;flex-shrink:0;align-items:center;gap:10px;padding:10px 16px;display:flex}.sheet-ctrl-btn{width:36px;height:36px;color:var(--text);cursor:pointer;appearance:none;background:#ffffff12;border:1px solid #ffffff26;border-radius:8px;outline:none;flex-shrink:0;justify-content:center;align-items:center;padding:0;font-size:14px;line-height:1;transition:background .15s,border-color .15s;display:flex}.sheet-ctrl-btn:hover{background:#ffffff24;border-color:#ffffff4d}.sheet-ctrl-btn:active{background:#fff3;transform:scale(.95)}.sheet-ctrl-play{width:44px;height:36px;color:var(--accent);background:#00d2ff1a;border-color:#00d2ff66;font-size:16px}.sheet-ctrl-play:hover{background:#00d2ff2e;border-color:#00d2ff99}.sheet-speed-wrapper{flex:1;align-items:center;gap:10px;display:flex}.sheet-speed-slider{appearance:none;cursor:pointer;height:5px;accent-color:var(--accent);background:#ffffff26;border-radius:3px;outline:none;flex:1}.sheet-speed-slider::-webkit-slider-thumb{appearance:none;background:var(--accent);cursor:pointer;border-radius:50%;width:16px;height:16px;box-shadow:0 0 8px #00d2ff80}.sheet-speed-slider::-moz-range-thumb{background:var(--accent);cursor:pointer;border:none;border-radius:50%;width:16px;height:16px}.sheet-speed-label{color:var(--accent);text-align:right;min-width:56px;font-size:12px;font-weight:700}.achievement-toast{z-index:9999;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);background:#0d0f1cf2;border:1px solid #00d2ff59;border-radius:16px;align-items:center;gap:12px;min-width:240px;padding:14px 22px;display:flex;position:fixed;bottom:32px;left:50%;transform:translate(-50%);box-shadow:0 8px 32px #00000080,0 0 0 1px #00d2ff1a}.achievement-toast-icon{flex-shrink:0;font-size:28px}.achievement-toast-text{flex-direction:column;gap:2px;display:flex}.achievement-toast-label{letter-spacing:.1em;text-transform:uppercase;color:var(--accent);font-size:10px;font-weight:700}.achievement-toast-title{color:var(--text);font-size:15px;font-weight:700}.stats-badges-section{margin-top:12px}.stats-badge-grid{grid-template-columns:repeat(auto-fill,minmax(80px,1fr));gap:8px;margin-top:8px;display:grid}.stats-badge-item{border:1px solid var(--border);background:var(--bg-card);cursor:default;text-align:center;border-radius:10px;flex-direction:column;align-items:center;gap:4px;padding:10px 6px;display:flex}.stats-badge-earned{background:#ffd7000f;border-color:#ffd7004d}.stats-badge-locked{opacity:.38}.stats-badge-icon{font-size:22px}.stats-badge-title{color:var(--text-muted);font-size:9px;font-weight:600;line-height:1.2}.stats-streak-banner{background:#ffa0001a;border:1px solid #ffa00040;border-radius:10px;justify-content:center;align-items:center;gap:8px;margin-bottom:12px;padding:10px;display:flex}.stats-streak-fire{font-size:20px}.stats-streak-text{color:orange;font-size:14px;font-weight:700}.defter-layout{flex-direction:column;flex:1;height:100%;display:flex;overflow:hidden}.defter-root{background:var(--bg-surface);flex-direction:column;height:100%;display:flex;overflow:hidden}.defter-toolbar{background:#0e1020;border-bottom:1px solid #ffffff1a;flex-wrap:wrap;flex-shrink:0;align-items:center;gap:12px;padding:10px 16px;display:flex}.defter-toolbar-left,.defter-toolbar-center,.defter-toolbar-right{align-items:center;gap:8px;display:flex}.defter-toolbar-center{flex:1;justify-content:center}.defter-toolbar-right{margin-left:auto}.defter-btn{color:var(--text);cursor:pointer;white-space:nowrap;appearance:none;background:#1e2238;border:1px solid #ffffff47;border-radius:8px;outline:none;align-items:center;gap:6px;padding:6px 14px;font-size:13px;font-weight:500;line-height:1.4;text-decoration:none;transition:background .15s,border-color .15s,opacity .15s;display:inline-flex}.defter-btn:hover{background:#262d48;border-color:#fff6}.defter-btn:active{transform:scale(.96)}.defter-btn-record{color:#ff6060;background:#2a1520;border-color:#ff505099}.defter-btn-record:hover{background:#381a28}.defter-btn-finish{color:#fa0;background:#241a08;border-color:#ffaa008c}.defter-btn-finish:hover{background:#302208}.defter-btn-play{color:#3ddc74;letter-spacing:.02em;background:#0a2016;border-color:#3cdc648c;font-weight:700}.defter-btn-play:hover{background:#0f2e1e;border-color:#3cdc64bf}.defter-btn-play-active{color:#ff6060;background:#2a0e0e;border-color:#ff505099;animation:1.4s ease-in-out infinite defter-play-pulse}@keyframes defter-play-pulse{0%,to{box-shadow:0 0 #ff50504d}50%{box-shadow:0 0 0 5px #ff505000}}.defter-btn-print{color:var(--accent);background:#0a1e26;border-color:#00d2ff80}.defter-btn-print:hover{background:#0e2a36}.defter-btn-export{color:#b39dff;background:#180e30;border-color:#7c4dff80}.defter-btn-export:hover{background:#221440}.defter-btn-import{color:var(--text-muted);background:#191d2e;border-color:#ffffff38;font-size:12px}.defter-btn-import:hover{color:var(--text);background:#1e2238}.defter-btn-reset{color:var(--text-muted);background:#191d2e;border-color:#ffffff2e;padding:6px 10px;font-size:15px}.defter-btn-reset:hover{background:#1e2238}.defter-export-group{align-items:center;gap:6px;display:flex}.defter-rec-dot{background:#f35;border-radius:50%;flex-shrink:0;width:8px;height:8px}.defter-rec-dot-live{animation:1.1s ease-in-out infinite recPulse}@keyframes recPulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(.7)}}.defter-recording-label{color:#ff6060;align-items:center;gap:6px;font-size:13px;font-weight:600;display:flex}.defter-measure-count{color:var(--text-muted);font-size:12px;font-weight:400}.defter-bpm-badge{color:var(--accent);letter-spacing:.02em;background:#00d2ff14;border:1px solid #00d2ff59;border-radius:20px;align-items:center;padding:3px 12px;font-size:13px;font-weight:600;display:inline-flex}.defter-detecting-label{color:var(--accent)!important}.defter-scroll{flex-direction:column;flex:1;align-items:stretch;padding:20px 24px 40px;display:flex;position:relative;overflow:hidden auto}.defter-scroll:before{content:"aspiano";letter-spacing:-.04em;color:#ffffff07;pointer-events:none;z-index:0;-webkit-user-select:none;user-select:none;white-space:nowrap;font-size:clamp(48px,10vw,96px);font-weight:800;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.defter-empty{width:100%;height:100%;min-height:300px;color:var(--text-muted);text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:16px;display:flex}.defter-empty-icon{font-size:56px}.defter-empty-text{white-space:pre-line;max-width:400px;font-size:14px;line-height:1.6}.defter-print-area{box-sizing:border-box;background:#fff;border-radius:6px;width:100%;padding:16px;box-shadow:0 4px 24px #00000080}.staff-svg{width:100%;height:auto;display:block}@media print{body>*{display:none!important}.app-shell{display:block!important}.header,.defter-toolbar,.defter-empty,.defter-scroll>:not(.defter-print-area){display:none!important}.defter-scroll,.defter-root,.defter-layout,.main-content,.app-shell{background:#fff!important;height:auto!important;display:block!important;overflow:visible!important}.defter-print-area{page-break-inside:auto;box-shadow:none!important;border-radius:0!important;padding:0!important}.staff-svg{width:100%!important;height:auto!important}}.guide-page{background:var(--bg);color:var(--text);font-family:SF Pro Display,Inter,system-ui,sans-serif;position:fixed;inset:0;overflow:hidden auto}.guide-header{z-index:30;border-bottom:1px solid var(--border);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:#07080feb;justify-content:space-between;align-items:center;height:60px;padding:0 32px;display:flex;position:sticky;top:0}.guide-logo{letter-spacing:-.02em;color:var(--text);font-size:20px;font-weight:700;text-decoration:none}.guide-logo-accent{color:var(--accent)}.guide-nav{align-items:center;gap:16px;display:flex}.guide-nav-link{color:var(--text-muted);font-size:13px;text-decoration:none;transition:color .15s}.guide-nav-link:hover{color:var(--text)}.guide-nav-cta{color:var(--bg);background:var(--accent);border-radius:8px;padding:7px 16px;font-size:13px;font-weight:600;text-decoration:none;transition:opacity .15s}.guide-nav-cta:hover{opacity:.85}.guide-main{max-width:760px;margin:0 auto;padding:60px 24px 80px}.guide-hero{text-align:center;margin-bottom:64px}.guide-hero-title{letter-spacing:-.03em;margin:0 0 16px;font-size:clamp(28px,5vw,48px);font-weight:800;line-height:1.15}.guide-accent{color:var(--accent)}.guide-hero-sub{color:var(--text-muted);max-width:560px;margin:0 auto 24px;font-size:16px;line-height:1.6}.guide-badges{flex-wrap:wrap;justify-content:center;gap:8px;display:flex}.guide-badge{color:var(--accent);background:#00d4ff14;border:1px solid #00d4ff33;border-radius:100px;padding:4px 12px;font-size:12px;font-weight:600}.guide-sections{flex-direction:column;gap:0;display:flex}.guide-section{border-bottom:1px solid var(--border);gap:24px;padding:32px 0;display:flex}.guide-section:first-child{border-top:1px solid var(--border)}.guide-section-icon{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;flex-shrink:0;justify-content:center;align-items:center;width:48px;height:48px;margin-top:2px;font-size:26px;display:flex}.guide-section-content{flex:1;min-width:0}.guide-section-title{letter-spacing:-.01em;color:var(--text);margin:0 0 10px;font-size:18px;font-weight:700}.guide-section-body{color:var(--text-muted);margin:0 0 12px;font-size:14px;line-height:1.75}.guide-section-body:last-child{margin-bottom:0}.guide-faq{margin-top:64px}.guide-faq-title{letter-spacing:-.02em;margin:0 0 28px;font-size:22px;font-weight:700}.guide-faq-item{border-left:2px solid var(--border-glow);margin-bottom:28px;padding-left:20px}.guide-faq-item h3{color:var(--text);margin:0 0 6px;font-size:15px;font-weight:600}.guide-faq-item p{color:var(--text-muted);margin:0;font-size:13px;line-height:1.7}.guide-cta-block{text-align:center;background:var(--bg-card);border:1px solid var(--border);border-radius:20px;margin-top:64px;padding:48px 32px}.guide-cta-text{color:var(--text-muted);margin:0 0 20px;font-size:16px}.guide-cta-btn{color:var(--bg);background:var(--accent);border-radius:12px;padding:14px 32px;font-size:15px;font-weight:700;text-decoration:none;transition:opacity .15s,transform .15s;display:inline-block}.guide-cta-btn:hover{opacity:.88;transform:translateY(-1px)}.guide-footer{text-align:center;color:var(--text-muted);border-top:1px solid var(--border);padding:24px;font-size:12px}.guide-footer a{color:var(--accent);text-decoration:none}@media (max-width:540px){.guide-header{padding:0 16px}.guide-main{padding:40px 16px 60px}.guide-section{flex-direction:column;gap:16px}.guide-section-icon{width:40px;height:40px;font-size:22px}}.midi-req-box{background:#00d4ff0a;border:1px solid #00d4ff26;border-radius:16px;margin-bottom:48px;padding:24px 28px}.midi-req-title{text-transform:uppercase;letter-spacing:.06em;color:var(--accent);margin:0 0 16px;font-size:14px;font-weight:700}.midi-req-list{flex-direction:column;gap:12px;margin:0;padding:0;list-style:none;display:flex}.midi-req-list li{color:var(--text-muted);align-items:flex-start;gap:12px;font-size:13px;line-height:1.6;display:flex}.midi-req-list li strong{color:var(--text)}.midi-req-icon{flex-shrink:0;margin-top:1px;font-size:18px}.midi-os-block{margin-bottom:48px}.midi-os-header{border-bottom:1px solid var(--border);align-items:center;gap:12px;margin-bottom:24px;padding-bottom:16px;display:flex}.midi-os-icon{font-size:28px}.midi-os-title{letter-spacing:-.02em;margin:0;font-size:22px;font-weight:800}.midi-method{background:var(--bg-card);border:1px solid var(--border);border-radius:14px;margin-bottom:16px;padding:24px}.midi-method-title{align-items:center;gap:10px;margin:0 0 20px;font-size:16px;font-weight:700;display:flex}.midi-method-badge{text-transform:uppercase;letter-spacing:.05em;border-radius:100px;padding:3px 9px;font-size:11px;font-weight:700}.midi-badge-usb{color:var(--accent);background:#00d4ff1f;border:1px solid #00d4ff40}.midi-badge-bt{color:var(--accent-2);background:#7c4dff1f;border:1px solid #7c4dff40}.midi-steps{flex-direction:column;gap:14px;margin:0 0 16px;padding:0;list-style:none;display:flex}.midi-steps li{color:var(--text-muted);align-items:flex-start;gap:14px;font-size:13px;line-height:1.7;display:flex}.midi-steps li strong{color:var(--text)}.midi-steps li em{color:var(--text-muted);font-style:italic}.midi-step-num{width:24px;height:24px;color:var(--accent);background:#00d4ff1a;border:1px solid #00d4ff33;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;margin-top:2px;font-size:11px;font-weight:700;display:flex}.midi-tip{color:var(--text-muted);background:#ffaa000f;border:1px solid #fa03;border-radius:10px;padding:12px 16px;font-size:12px;line-height:1.6}.midi-tip strong{color:#fa0}.setup-howto-link{text-align:center;color:var(--accent);opacity:.8;margin-top:12px;font-size:12px;text-decoration:none;transition:opacity .15s;display:block}.setup-howto-link:hover{opacity:1}.mobile-warning{display:none}@media (max-width:767px){.mobile-warning{z-index:9999;background:var(--bg);text-align:center;flex-direction:column;justify-content:center;align-items:center;padding:32px 24px;display:flex;position:fixed;inset:0}.mobile-warning-icon{margin-bottom:20px;font-size:56px}.mobile-warning-title{letter-spacing:-.02em;color:var(--text);margin:0 0 12px;font-size:22px;font-weight:800}.mobile-warning-desc{color:var(--text-muted);max-width:320px;margin:0 0 28px;font-size:14px;line-height:1.7}.mobile-warning-logo{color:var(--text-muted);letter-spacing:-.01em;font-size:16px;font-weight:700}.mobile-warning-logo span{color:var(--accent)}}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-inset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-shadow-color{syntax:"*";inherits:false}@property --tw-inset-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-ring-color{syntax:"*";inherits:false}@property --tw-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-ring-color{syntax:"*";inherits:false}@property --tw-inset-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-ring-inset{syntax:"*";inherits:false}@property --tw-ring-offset-width{syntax:"<length>";inherits:false;initial-value:0}@property --tw-ring-offset-color{syntax:"*";inherits:false;initial-value:#fff}@property --tw-ring-offset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}