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components;@layer utilities{.visible{visibility:visible}.sr-only{clip-path:inset(50%);white-space:nowrap;border-width:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.flex{display:flex}.hidden{display:none}.transform{transform:var(--tw-rotate-x,) var(--tw-rotate-y,) var(--tw-rotate-z,) var(--tw-skew-x,) var(--tw-skew-y,)}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-3{gap:calc(var(--spacing) * 3)}.ordinal{--tw-ordinal:ordinal;font-variant-numeric:var(--tw-ordinal,) var(--tw-slashed-zero,) var(--tw-numeric-figure,) var(--tw-numeric-spacing,) var(--tw-numeric-fraction,)}.blur{--tw-blur:blur(8px);filter:var(--tw-blur,) var(--tw-brightness,) var(--tw-contrast,) var(--tw-grayscale,) var(--tw-hue-rotate,) var(--tw-invert,) var(--tw-saturate,) var(--tw-sepia,) var(--tw-drop-shadow,)}}:root{color:#edf1e9;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;color-scheme:dark;--bg:#101512;--panel:#171e19;--subtle:#1f2821;--line:#2b362d;--text:#edf1e9;--muted:#95a396;--accent:#c7ef96;--accent-text:#1c2d14;--track:#344036;background:#101512;font-family:Inter,Segoe UI,Microsoft YaHei,sans-serif}:root[data-theme=light]{color-scheme:light;--bg:#f2f3ed;--panel:#fcfdf8;--subtle:#e8eee2;--line:#d7dece;--text:#243026;--muted:#626f61;--accent:#437623;--accent-text:#fff;--track:#c8d3bf}*{box-sizing:border-box}body{background:var(--bg);min-width:320px;color:var(--text);margin:0}button,input{font:inherit}button,a,input{-webkit-tap-highlight-color:transparent}button{cursor:pointer;touch-action:manipulation}button:disabled{cursor:wait;opacity:.6}button{-webkit-user-select:none;user-select:none}button:focus-visible,a:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:5px}button{transition:background .16s,color .16s,transform .16s}button:active{transform:translateY(1px)}a{color:inherit;text-decoration:none}h2,h3,p{margin:0}button svg{flex-shrink:0}button{border:0}input[type=range]{appearance:none;background:linear-gradient(to right,var(--accent) var(--range,50%),var(--track) var(--range,50%));cursor:pointer;touch-action:pan-y;border-radius:9px;width:100%;height:6px;margin:16px 0;display:block}input[type=range]::-webkit-slider-thumb{appearance:none;background:var(--accent);border:4px solid var(--panel);width:20px;height:20px;box-shadow:0 0 0 1px var(--accent);border-radius:50%}input[type=range]::-moz-range-thumb{background:var(--accent);border:3px solid var(--panel);width:13px;height:13px;box-shadow:0 0 0 1px var(--accent);border-radius:50%}.app-shell{max-width:1120px;padding:calc(32px + env(safe-area-inset-top)) max(24px,env(safe-area-inset-right)) calc(22px + env(safe-area-inset-bottom)) 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h2{letter-spacing:1px;font-size:14px;font-weight:550}.section-heading>span{letter-spacing:1.7px;color:var(--muted);font-size:8px}.signature-picker{gap:7px;display:flex}.signature-picker button{border:1px solid var(--line);height:46px;color:var(--muted);font-variant-numeric:tabular-nums;white-space:nowrap;background:0 0;border-radius:9px;flex:1;padding:0 4px;font-size:16px;font-weight:500}.signature-picker button span{padding:0 2px;font-size:12px;font-weight:300}.signature-picker .selected{color:var(--accent);background:var(--accent)}@supports (color:color-mix(in lab,red,red)){.signature-picker .selected{background:color-mix(in srgb,var(--accent) 8%,transparent)}}.signature-picker .selected{border-color:var(--accent)}.control-note{color:var(--muted);margin-top:13px;font-size:10px;line-height:1.7}.sound-picker{grid-template-columns:1fr 1fr;gap:10px;display:grid}.sound-picker button{border:1px solid var(--line);color:var(--muted);text-align:left;background:0 0;border-radius:12px;flex-direction:column;align-items:flex-start;gap:5px;min-height:109px;padding:15px 14px 12px;display:flex;position:relative}.sound-picker button strong{color:var(--text);margin-top:4px;font-size:12px;font-weight:500}.sound-picker button small{font-size:9px}.sound-picker button.selected{border-color:var(--accent);background:var(--accent)}@supports (color:color-mix(in lab,red,red)){.sound-picker button.selected{background:color-mix(in srgb,var(--accent) 6%,transparent)}}.sound-picker button.selected{color:var(--accent)}.sound-check{border:1px solid var(--line);border-radius:50%;place-items:center;width:14px;height:14px;font-size:10px;display:grid;position:absolute;top:12px;right:12px}.selected .sound-check{background:var(--accent);border-color:var(--accent);color:var(--accent-text)}.volume-control{color:var(--muted);align-items:center;gap:16px;display:flex}.volume-control input{margin:12px 0}.volume-section 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0;padding:12px;font-size:12px;line-height:1.7}.inline-message{border:1px solid var(--line);background:var(--panel);border-radius:14px;justify-content:space-between;align-items:center;gap:15px;margin-top:15px;padding:16px 20px;font-size:12px;line-height:1.8;display:flex}.inline-message button{background:var(--subtle);color:var(--accent);white-space:nowrap;border-radius:6px;padding:6px 14px}.settings-dialog{color:var(--text);background:var(--panel);border:1px solid var(--line);overscroll-behavior:contain;border-radius:22px;width:calc(100% - 28px);max-width:480px;max-height:calc(100svh - 40px);padding:25px}.settings-dialog::backdrop{-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);background:#0009}.dialog-heading{justify-content:space-between;align-items:center;margin-bottom:22px;display:flex}.dialog-heading h2{margin-top:8px;font-size:24px;font-weight:550}.dialog-heading .eyebrow{font-size:8px}.setting-row{border-top:1px solid var(--line);justify-content:space-between;align-items:center;gap:20px;padding:20px 0;display:flex}.setting-row strong{font-size:13px;font-weight:500}.setting-row p,.accent-setting p,.setting-note{color:var(--muted);margin-top:5px;font-size:10px;line-height:1.8}.toggle{background:var(--track);border-radius:20px;flex-shrink:0;width:42px;height:25px;padding:3px}.toggle span{background:var(--panel);border-radius:50%;width:19px;height:19px;transition:transform .15s;display:block}.toggle.on{background:var(--accent)}.toggle.on span{transform:translate(17px)}.settings-dialog h3{letter-spacing:1px;border-top:1px solid var(--line);margin-bottom:10px;padding-top:20px;font-size:12px}.accent-setting{margin-top:16px}.accent-setting label{font-size:12px}.accent-setting small{color:var(--muted);padding-left:8px;font-size:10px}.mute-button{border:1px solid var(--line);color:var(--muted);background:0 0;border-radius:8px;padding:7px 12px;font-size:10px}.mute-button[aria-pressed=true]{color:var(--accent);border-color:var(--accent)}.setting-note{padding-top:10px}.settings-dialog input[type=range]{margin:15px 0 25px}.sound-picker button.mechanical-choice{grid-column:1/-1;grid-template-columns:34px 1fr;align-items:center;gap:3px 12px;min-height:80px;display:grid}.mechanical-choice svg{grid-row:1/3}.sound-picker .mechanical-choice strong{align-self:end;margin-top:0}.mechanical-choice small{grid-column:2;align-self:start}@keyframes beat-pop{0%{transform:scale(.9)}to{transform:scale(1)}}@media(min-width:1100px){.app-shell{padding-top:50px;padding-bottom:32px}.app-header{padding-bottom:40px}.main-layout{gap:24px}.metronome-panel{padding:29px 42px 23px}.tempo-readout{margin-top:53px}.control-panel{padding:31px 32px 24px}.beat-indicators{margin-top:36px;margin-bottom:40px}.tempo-adjust{margin-top:42px}.app-footer{padding-top:28px}}@media(max-width:740px){.app-shell{max-width:540px;padding-top:calc(18px + env(safe-area-inset-top));padding-left:max(16px,env(safe-area-inset-left));padding-right:max(16px,env(safe-area-inset-right))}.app-header{padding:0 2px 22px}.brand{font-size:21px}.brand svg{width:26px}.header-actions{gap:13px}.offline-badge{font-size:9px}.main-layout{flex-direction:column;gap:16px;max-height:none;display:flex}.metronome-panel{border-radius:20px;padding:22px 25px 18px}.tempo-readout{margin-top:28px}.bpm-number{max-width:290px;font-size:126px}.tempo-adjust{gap:22px;margin-top:25px}.beat-unit{margin-top:13px}.beat-indicators{gap:27px;margin:25px 0 26px}.transport-hint{margin-bottom:24px}.control-panel{border-radius:20px;padding:24px}.control-section+.control-section{margin-top:23px;padding-top:23px}.sound-picker{grid-template-columns:repeat(4,1fr);gap:8px}.sound-picker button{min-height:105px;padding:13px 10px}.sound-picker button small{white-space:nowrap;font-size:8px}.sound-check{display:none}.sound-picker button svg{width:26px}.section-heading{margin-bottom:16px}.practice-note{padding-top:23px}.app-footer{padding-top:18px;font-size:9px}}@media(max-width:370px){.app-shell{padding-left:12px;padding-right:12px}.offline-badge{display:none}.metronome-panel{padding:21px 19px 17px}.tempo-adjust{gap:17px}.bpm-number{letter-spacing:-7px;font-size:115px}.transport{gap:12px}.play-button{gap:10px;height:58px;font-size:14px}.control-panel{padding:22px 18px}.sound-picker{grid-template-columns:1fr 1fr}.sound-picker button{min-height:92px}.beat-indicators{gap:23px}.signature-picker{gap:5px}.signature-picker button{font-size:14px}.section-label{font-size:8px}}@media(max-height:600px)and (min-width:741px){.app-shell{padding-top:18px}.app-header{padding-bottom:18px}.tempo-readout{margin-top:20px}.bpm-number{font-size:100px}.tempo-adjust{margin-top:20px}.beat-indicators{margin:22px 0}.control-panel{padding-top:23px}.transport-hint{margin-bottom:20px}}@media(prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}@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-ordinal{syntax:"*";inherits:false}@property --tw-slashed-zero{syntax:"*";inherits:false}@property --tw-numeric-figure{syntax:"*";inherits:false}@property --tw-numeric-spacing{syntax:"*";inherits:false}@property --tw-numeric-fraction{syntax:"*";inherits:false}@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}