@import"https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&display=swap";:root,[data-theme=dark]{--bg-primary: #12121a;--bg-secondary: #1a1a24;--surface-elevated: #252532;--surface-hover: #32324a;--surface-muted: #3a3a50;--text-primary: #ffffff;--text-secondary: #b8b8c8;--text-tertiary: #7878a0;--accent: #ff6b6b;--accent-secondary: #4ecdc4;--accent-tertiary: #ffe66d;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .3);--shadow-md: 0 4px 16px rgba(0, 0, 0, .4);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .5);--bg-gradient: radial-gradient(ellipse at 20% 20%, rgba(255, 107, 107, .08) 0%, transparent 50%), radial-gradient(ellipse at 80% 80%, rgba(78, 205, 196, .08) 0%, transparent 50%), radial-gradient(ellipse at 50% 50%, rgba(255, 230, 109, .03) 0%, transparent 60%)}[data-theme=light]{--bg-primary: #f5f7fa;--bg-secondary: #ffffff;--surface-elevated: #ffffff;--surface-hover: #eef1f5;--surface-muted: #e0e4ec;--text-primary: #1a1a2e;--text-secondary: #5a5a70;--text-tertiary: #9090a0;--accent: #e85555;--accent-secondary: #3db9b0;--accent-tertiary: #f0c040;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .08);--shadow-md: 0 4px 16px rgba(0, 0, 0, .1);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .12);--bg-gradient: radial-gradient(ellipse at 20% 20%, rgba(232, 85, 85, .06) 0%, transparent 50%), radial-gradient(ellipse at 80% 80%, rgba(61, 185, 176, .06) 0%, transparent 50%), radial-gradient(ellipse at 50% 50%, rgba(240, 192, 64, .04) 0%, transparent 60%)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:Outfit,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg-primary);color:var(--text-primary);min-height:100vh;line-height:1.5;transition:background-color .3s ease,color .3s ease}body:before{content:"";position:fixed;inset:0;background:var(--bg-gradient);pointer-events:none;z-index:-1;transition:background .3s ease}#root{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:20px}button{font-family:inherit;border:none;outline:none;cursor:pointer}button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}input{font-family:inherit}input:focus-visible{outline:2px solid var(--accent);outline-offset:2px}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-secondary)}::-webkit-scrollbar-thumb{background:var(--surface-elevated);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--surface-hover)}::selection{background:var(--accent);color:#fff}[data-theme=light] .bpm-adjust-btn,[data-theme=light] .time-sig-btn,[data-theme=light] .sound-btn,[data-theme=light] .preset-btn,[data-theme=light] .toggle-btn,[data-theme=light] .theme-toggle{box-shadow:var(--shadow-sm),inset 0 0 0 1px #0000000d}.edge-glow{position:fixed;inset:0;pointer-events:none;z-index:9999;opacity:0;transition:opacity .05s ease-out}.edge-glow.active{opacity:1;animation:glow-pulse .15s ease-out forwards}.edge-glow.active.accent{animation:glow-pulse-accent .2s ease-out forwards}@keyframes glow-pulse{0%{opacity:.9}to{opacity:0}}@keyframes glow-pulse-accent{0%{opacity:1}to{opacity:0}}.edge-glow-top{position:absolute;top:0;left:0;right:0;height:120px;background:linear-gradient(to bottom,#4ecdc4cc,#4ecdc466 30%,#4ecdc400);filter:blur(20px)}.edge-glow-bottom{position:absolute;bottom:0;left:0;right:0;height:120px;background:linear-gradient(to top,#ff6b6bcc,#ff6b6b66 30%,#ff6b6b00);filter:blur(20px)}.edge-glow-left{position:absolute;top:0;left:0;bottom:0;width:100px;background:linear-gradient(to bottom,#4ecdc4cc,#4ecdc499,#78b4a080,#b48c7880,#ff6b6b99,#ff6b6bcc);-webkit-mask:linear-gradient(to right,rgba(0,0,0,1) 0%,rgba(0,0,0,0) 100%);mask:linear-gradient(to right,rgba(0,0,0,1) 0%,rgba(0,0,0,0) 100%);filter:blur(25px)}.edge-glow-right{position:absolute;top:0;right:0;bottom:0;width:100px;background:linear-gradient(to bottom,#4ecdc4cc,#4ecdc499,#78b4a080,#b48c7880,#ff6b6b99,#ff6b6bcc);-webkit-mask:linear-gradient(to left,rgba(0,0,0,1) 0%,rgba(0,0,0,0) 100%);mask:linear-gradient(to left,rgba(0,0,0,1) 0%,rgba(0,0,0,0) 100%);filter:blur(25px)}.edge-glow.accent .edge-glow-top{height:150px;filter:blur(25px);background:linear-gradient(to bottom,#4ecdc4,#4ecdc480 40%,#4ecdc400)}.edge-glow.accent .edge-glow-bottom{height:150px;filter:blur(25px);background:linear-gradient(to top,#ff6b6b,#ff6b6b80 40%,#ff6b6b00)}.edge-glow.accent .edge-glow-left,.edge-glow.accent .edge-glow-right{width:130px;filter:blur(30px)}[data-theme=light] .edge-glow-top{background:linear-gradient(to bottom,#3db9b0b3,#3db9b059 30%,#3db9b000)}[data-theme=light] .edge-glow-bottom{background:linear-gradient(to top,#e85555b3,#e8555559 30%,#e8555500)}[data-theme=light] .edge-glow-left,[data-theme=light] .edge-glow-right{background:linear-gradient(to bottom,#3db9b0b3,#3db9b080,#64968c66,#a0786466,#e8555580,#e85555b3)}[data-theme=light] .edge-glow.accent .edge-glow-top{background:linear-gradient(to bottom,#3db9b0e6,#3db9b073 40%,#3db9b000)}[data-theme=light] .edge-glow.accent .edge-glow-bottom{background:linear-gradient(to top,#e85555e6,#e8555573 40%,#e8555500)}.metronome{width:100%;max-width:1000px;margin:0 auto;padding:40px 24px}.mobile-only{display:block}.desktop-only{display:none}.metronome-layout{display:flex;flex-direction:column;gap:32px}.main-panel{display:flex;flex-direction:column;align-items:center;gap:24px}.settings-panel{display:flex;flex-direction:column;gap:24px}.header{text-align:center;margin-bottom:8px}.header h1{font-size:2.5rem;font-weight:700;color:var(--text-primary);margin:0;letter-spacing:-.02em}.subtitle{font-size:.875rem;color:var(--text-secondary);margin:4px 0 0;font-weight:500;text-transform:uppercase;letter-spacing:.2em}.bpm-display{display:flex;align-items:center;gap:24px}.bpm-adjust-btn{width:56px;height:56px;border:none;border-radius:16px;background:var(--surface-elevated);color:var(--text-primary);font-size:1.75rem;font-weight:300;cursor:pointer;transition:all .2s ease;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-sm)}.bpm-adjust-btn:hover{background:var(--surface-hover);transform:scale(1.05)}.bpm-adjust-btn:active{transform:scale(.95)}.bpm-value-container{display:flex;flex-direction:column;align-items:center;gap:4px;position:relative;padding:12px 16px;border-radius:16px;transition:all .2s ease;cursor:text}.bpm-value-container:hover{background:var(--surface-elevated)}.bpm-value-container.editing{background:var(--surface-elevated);box-shadow:0 0 0 2px var(--accent)}.bpm-value{font-size:5rem;font-weight:700;color:var(--accent);line-height:1;width:180px;text-align:center;background:transparent;border:none;outline:none;font-family:inherit;-moz-appearance:textfield;cursor:text;caret-color:var(--accent)}.bpm-value::selection{background:var(--accent);color:#fff}.bpm-value::-webkit-outer-spin-button,.bpm-value::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}.bpm-label{font-size:.875rem;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.15em}.bpm-hint{font-size:.625rem;color:var(--text-tertiary);opacity:0;transition:opacity .2s ease;position:absolute;bottom:-20px;white-space:nowrap}.bpm-value-container:hover .bpm-hint,.bpm-value-container.editing .bpm-hint{opacity:1}.slider-container{width:100%;max-width:400px;display:flex;align-items:center;gap:16px;padding:0 8px}.slider-label{font-size:.75rem;color:var(--text-tertiary);font-weight:500;min-width:32px;text-align:center}.bpm-slider{flex:1;height:8px;-webkit-appearance:none;appearance:none;background:var(--surface-elevated);border-radius:4px;outline:none;cursor:pointer}.bpm-slider::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:28px;height:28px;border-radius:50%;background:var(--accent);cursor:pointer;transition:transform .2s ease,box-shadow .2s ease;box-shadow:0 2px 8px #ff6b6b4d}.bpm-slider::-webkit-slider-thumb:hover{transform:scale(1.1);box-shadow:0 4px 16px #ff6b6b66}.bpm-slider::-moz-range-thumb{width:28px;height:28px;border:none;border-radius:50%;background:var(--accent);cursor:pointer;transition:transform .2s ease}.beat-indicators{display:flex;gap:16px;padding:16px 0;align-items:center}.beat-dot{width:20px;height:20px;border-radius:50%;background:var(--surface-muted);border:2px solid var(--text-tertiary);transition:all .1s ease;position:relative}.beat-dot.accent{width:28px;height:28px;border-width:3px;border-color:var(--accent-secondary);background:transparent}.beat-dot.active{background:var(--accent);border-color:var(--accent);transform:scale(1.3);box-shadow:0 0 24px #ff6b6bb3}.beat-dot.accent.active{background:var(--accent-secondary);border-color:var(--accent-secondary);box-shadow:0 0 28px #4ecdc4cc}.play-button{display:flex;align-items:center;gap:12px;padding:20px 48px;border:none;border-radius:20px;background:var(--accent);color:#fff;font-size:1.125rem;font-weight:600;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 24px #ff6b6b59}.play-button:hover{transform:translateY(-2px);box-shadow:0 8px 32px #ff6b6b73}.play-button:active{transform:translateY(0)}.play-button.playing{background:var(--accent-secondary);box-shadow:0 4px 24px #4ecdc459}.play-button.playing:hover{box-shadow:0 8px 32px #4ecdc473}.play-icon{width:24px;height:24px;display:flex;align-items:center;justify-content:center}.play-icon svg{width:100%;height:100%}.settings{width:100%;display:flex;flex-direction:column;gap:24px}.setting-group{display:flex;flex-direction:column;gap:12px}.setting-label{font-size:.75rem;font-weight:600;color:var(--text-tertiary);text-transform:uppercase;letter-spacing:.1em}.time-signature-options,.sound-options{display:flex;flex-wrap:wrap;gap:8px}.time-sig-btn,.sound-btn{padding:12px 20px;border:none;border-radius:12px;background:var(--surface-elevated);color:var(--text-secondary);font-size:.875rem;font-weight:600;cursor:pointer;transition:all .2s ease}.time-sig-btn:hover,.sound-btn:hover{background:var(--surface-hover);color:var(--text-primary)}.time-sig-btn.active,.sound-btn.active{background:var(--accent);color:#fff;box-shadow:0 2px 12px #ff6b6b4d}.toggle-btn{display:flex;align-items:center;gap:12px;padding:12px 16px;border:none;border-radius:12px;background:var(--surface-elevated);cursor:pointer;transition:all .2s ease;width:fit-content}.toggle-btn:hover{background:var(--surface-hover)}.toggle-track{width:44px;height:24px;border-radius:12px;background:var(--text-tertiary);position:relative;transition:all .2s ease}.toggle-btn.active .toggle-track{background:var(--accent-secondary)}.toggle-thumb{position:absolute;top:2px;left:2px;width:20px;height:20px;border-radius:50%;background:#fff;transition:all .2s ease;box-shadow:0 1px 3px #0003}.toggle-btn.active .toggle-thumb{left:22px}.toggle-text{font-size:.875rem;font-weight:600;color:var(--text-secondary)}.toggle-btn.active .toggle-text{color:var(--text-primary)}.feature-toggles{display:flex;flex-direction:column;gap:8px}.feature-toggles-row{display:flex;flex-wrap:wrap;gap:8px}@keyframes shake{0%{transform:translateY(0) rotate(0)}30%{transform:translateY(-4px) rotate(-3deg)}to{transform:translateY(0) rotate(0)}}@keyframes shake-strong{0%{transform:translateY(0) rotate(0) scale(1)}25%{transform:translateY(-6px) rotate(-4deg) scale(1.03)}to{transform:translateY(0) rotate(0) scale(1)}}.shake{animation:shake .25s cubic-bezier(.25,.46,.45,.94)}.play-button.shake{animation:shake-strong .3s cubic-bezier(.25,.46,.45,.94)}.presets{width:100%;display:flex;flex-direction:column;gap:12px}.preset-label{font-size:.75rem;font-weight:600;color:var(--text-tertiary);text-transform:uppercase;letter-spacing:.1em}.preset-buttons{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.preset-btn{display:flex;flex-direction:column;align-items:center;gap:4px;padding:14px 8px;border:none;border-radius:12px;background:var(--surface-elevated);cursor:pointer;transition:all .2s ease}.preset-btn:hover{background:var(--surface-hover);transform:translateY(-2px)}.preset-btn:active{transform:translateY(0)}.preset-bpm{font-size:1.125rem;font-weight:700;color:var(--text-primary)}.preset-name{font-size:.625rem;font-weight:500;color:var(--text-tertiary);text-transform:uppercase;letter-spacing:.05em}.volume-control{width:100%;display:flex;flex-direction:column;gap:12px;padding-top:8px;border-top:1px solid var(--surface-muted)}.volume-header{display:flex;align-items:center;justify-content:space-between}.volume-value{font-size:.875rem;font-weight:600;color:var(--accent-secondary);min-width:32px;text-align:right}.volume-slider-container{display:flex;align-items:center;gap:12px}.volume-icon{width:20px;height:20px;color:var(--text-tertiary);flex-shrink:0}.volume-icon-max{color:var(--text-secondary)}.volume-slider{flex:1;height:6px;-webkit-appearance:none;appearance:none;background:var(--surface-elevated);border-radius:3px;outline:none;cursor:pointer}.volume-slider::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:18px;height:18px;border-radius:50%;background:var(--accent-secondary);cursor:pointer;transition:transform .2s ease,box-shadow .2s ease;box-shadow:0 2px 6px #4ecdc44d}.volume-slider::-webkit-slider-thumb:hover{transform:scale(1.15);box-shadow:0 3px 10px #4ecdc466}.volume-slider::-moz-range-thumb{width:18px;height:18px;border:none;border-radius:50%;background:var(--accent-secondary);cursor:pointer;transition:transform .2s ease}.volume-slider::-moz-range-track{height:6px;background:var(--surface-elevated);border-radius:3px}@media(min-width:768px){.metronome{padding:40px 48px}.mobile-only{display:none}.desktop-only{display:block}.metronome-layout{flex-direction:row;gap:60px;align-items:flex-start}.main-panel{flex:1;min-width:380px;padding:20px 0;gap:32px}.settings-panel{flex:1;max-width:400px;gap:32px;padding:20px;background:var(--surface-elevated);border-radius:24px;box-shadow:var(--shadow-md)}.header{margin-bottom:16px}.header h1{font-size:3rem}.bpm-value{font-size:6rem;width:220px}.bpm-adjust-btn{width:64px;height:64px;font-size:2rem;border-radius:20px}.slider-container{max-width:100%}.beat-indicators{gap:20px;padding:24px 0}.beat-dot{width:24px;height:24px}.beat-dot.accent{width:32px;height:32px}.play-button{padding:24px 64px;font-size:1.25rem;border-radius:24px}.preset-buttons{grid-template-columns:repeat(3,1fr)}}@media(min-width:1024px){.metronome{max-width:1100px}.metronome-layout{gap:80px}.main-panel{min-width:450px}.settings-panel{max-width:450px}}@media(max-width:767px){.metronome{padding:24px 16px}.metronome-layout{gap:24px}.main-panel{gap:20px}.header h1{font-size:2rem}.bpm-value{font-size:3.5rem;width:140px}.bpm-adjust-btn{width:48px;height:48px;font-size:1.5rem}.play-button{padding:16px 40px}.preset-buttons{grid-template-columns:repeat(2,1fr)}.beat-indicators{gap:12px}}@media(max-width:379px){.bpm-display{gap:12px}.bpm-value{font-size:3rem;width:120px}.bpm-adjust-btn{width:40px;height:40px;font-size:1.25rem}.beat-dot{width:16px;height:16px}.beat-dot.accent{width:22px;height:22px}}.theme-toggle{position:fixed;top:20px;right:20px;display:flex;align-items:center;gap:8px;padding:10px 16px;border:none;border-radius:12px;background:var(--surface-elevated);color:var(--text-secondary);font-size:.75rem;font-weight:600;cursor:pointer;transition:all .2s ease;z-index:100;box-shadow:var(--shadow-sm)}.theme-toggle:hover{background:var(--surface-hover);color:var(--text-primary);transform:translateY(-2px);box-shadow:var(--shadow-md)}.theme-toggle:active{transform:translateY(0)}.theme-icon{width:18px;height:18px;display:flex;align-items:center;justify-content:center}.theme-icon svg{width:100%;height:100%}.theme-label{text-transform:uppercase;letter-spacing:.05em}@media(max-width:480px){.theme-toggle{top:12px;right:12px;padding:8px 12px}.theme-label{display:none}}.app{width:100%;display:flex;flex-direction:column;align-items:center;gap:40px}.footer{text-align:center;padding:20px}.footer p{font-size:.875rem;color:var(--text-tertiary);font-weight:500}