:root{--bg-color: #050505;--card-bg: #111111;--text-primary: #ffffff;--text-secondary: #888888;--accent-color: #e55050;--accent-glow: 0 0 15px rgba(229, 80, 80, .4);--error-color: #ff3b3b;--dial-inactive: #222222;--dial-active: #e55050;--border-color: #222222}body{margin:0;padding:0;background-color:var(--bg-color);color:var(--text-primary);font-family:Inter,system-ui,-apple-system,sans-serif;display:flex;justify-content:center;align-items:center;min-height:100vh;overflow:hidden;-webkit-font-smoothing:antialiased}#root{width:100%;height:100vh;display:flex;flex-direction:column}button{cursor:pointer;border:none;background:transparent;font-family:inherit;outline:none}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--bg-color)}::-webkit-scrollbar-thumb{background:#333;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#444}button,input,select,textarea{touch-action:manipulation}@media(max-width:768px){input[type=text],input[type=number],input[type=email],input[type=password],select,textarea{font-size:16px!important}}.app-layout{display:flex;height:100vh;height:100dvh;width:100%;position:relative;background:var(--bg-color);overflow:hidden}.sidebar{width:250px;background:var(--card-bg);border-right:1px solid var(--border-color);display:flex;flex-direction:column;height:100%;transition:transform .3s ease;z-index:1000}.sidebar-header{padding:20px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border-color)}.sidebar-header h2{margin:0;font-size:1.5rem;color:var(--accent-color);letter-spacing:2px}.sidebar-logo{height:40px;width:auto}.sidebar-close{display:none;color:var(--text-secondary)}.sidebar-nav{flex:1;padding:20px 0;display:flex;flex-direction:column;gap:5px}.sidebar-nav button{display:flex;align-items:center;padding:12px 20px;width:100%;color:var(--text-secondary);font-size:.95rem;font-weight:500;transition:all .2s;text-align:left}.sidebar-nav button:hover{background:#ffffff08;color:var(--text-primary)}.sidebar-nav button.active{background:#e550501a;color:var(--accent-color);border-right:3px solid var(--accent-color)}.sidebar-footer{padding:20px;border-top:1px solid var(--border-color)}.sidebar-footer button{width:100%;padding:10px;border-radius:8px;color:var(--text-secondary);background:#ffffff0d;transition:all .2s}.sidebar-footer button:hover{background:var(--error-color);color:#fff}.mobile-menu-toggle{position:absolute;top:20px;left:20px;z-index:100;display:none;background:var(--card-bg);padding:8px;border-radius:8px;border:1px solid var(--border-color)}.sidebar-backdrop{position:fixed;top:0;left:0;width:100%;height:100%;background:#00000080;z-index:999;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.main-content{flex:1;height:100%;overflow-y:auto;overflow-x:auto;padding:20px;position:relative}@media(min-width:768px){.main-content{padding:40px}}.metronome-container{text-align:center;display:flex;flex-direction:column;align-items:center;gap:2.5rem;width:100%;max-width:800px;margin:0 auto;padding-bottom:120px}.controls{display:flex;flex-direction:column;gap:2rem;width:100%;max-width:480px;background:var(--card-bg);padding:30px;border-radius:16px;border:1px solid var(--border-color)}.control-group{display:flex;flex-direction:column;gap:.8rem;text-align:left}.control-group label{font-size:.75rem;color:var(--text-secondary);text-transform:uppercase;letter-spacing:1px;font-weight:600}.control-group input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:4px;background:var(--dial-inactive);border-radius:2px;outline:none;cursor:pointer}.control-group input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:16px;height:16px;background:var(--text-primary);border-radius:50%;cursor:pointer;transition:all .2s;box-shadow:0 0 0 transparent}.control-group input[type=range]::-webkit-slider-thumb:hover{transform:scale(1.2);background:var(--accent-color);box-shadow:var(--accent-glow)}.icon-btn{background:transparent;border:1px solid var(--border-color);color:var(--text-secondary);border-radius:4px;padding:4px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s}.icon-btn:hover{background:#ffffff1a;color:var(--accent-color);border-color:var(--accent-color)}.control-button{background:var(--accent-color);color:#000;font-weight:700;padding:1rem;border-radius:8px;font-size:1rem;text-transform:uppercase;letter-spacing:1px;transition:all .2s;box-shadow:var(--accent-glow)}.control-button:hover{background:#fff;box-shadow:0 0 15px #ffffff80}.control-button:active{transform:scale(.98)}.uncategorized-bottom{width:100%;max-width:800px;margin-top:30px;padding:20px;background:#ffffff05;border-radius:8px}.uncategorized-bottom h3{margin:0 0 15px;color:var(--accent-color);font-size:1rem;text-align:center}.uncategorized-list-bottom{display:flex;flex-direction:column;gap:10px}.quick-session-tag{background:#ffffff0d;padding:10px;border-radius:4px;display:flex;gap:8px;align-items:center;flex-wrap:wrap}.quick-session-tag .session-time{font-size:.9rem;color:var(--accent-color);font-weight:700;min-width:50px}.quick-session-tag select,.quick-session-tag input{background:#333;color:#fff;border:none;padding:5px 8px;border-radius:4px;font-size:.85rem;flex:1;min-width:70px}.quick-session-tag button{background:var(--accent-color);color:#000;border:none;padding:5px 12px;border-radius:4px;cursor:pointer;font-weight:700;font-size:1rem}@media(max-width:1024px){.metronome-view{flex-direction:column}.uncategorized-panel{width:100%;max-height:300px}}@media(max-width:768px){.sidebar{position:fixed;top:0;left:0;height:100%;transform:translate(-100%);box-shadow:0 0 50px #00000080}.sidebar.open{transform:translate(0)}.sidebar-close{display:block}.mobile-menu-toggle{display:flex;align-items:center;justify-content:center}.main-content{margin-left:0;padding:70px 10px 80px}.metronome-container h1{font-size:1.5rem;margin-top:10px}.controls{padding:20px;width:90%}}.sidebar-brand{display:flex;align-items:center;gap:12px}.sidebar-title{display:flex;flex-direction:column;align-items:flex-start}.title-main{font-size:1rem;font-weight:800;color:var(--accent-color);letter-spacing:.5px;line-height:1.1;text-transform:uppercase}.title-sub{font-size:.75rem;color:var(--text-secondary);font-weight:500}.daily-practice-summary{text-align:center;margin-bottom:10px;color:var(--accent-color);font-size:.9rem}.control-header{display:flex;justify-content:space-between;align-items:center}.control-actions{display:flex;align-items:center;gap:10px}.control-value{color:var(--accent-color);min-width:30px;text-align:center}.control-value-volume{min-width:40px;text-align:center}.quick-session-tag .session-input-short{width:80px}.login-container{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100vh;width:100%}.login-form{display:flex;flex-direction:column;gap:1rem;width:300px;background:#222;padding:2rem;border-radius:8px;box-shadow:0 4px 6px #0000004d}.google-btn{padding:.8rem;background:#fff;color:#444;font-weight:700;border-radius:4px;border:none;cursor:pointer;font-size:1rem;transition:background .2s}.google-btn:hover{background:#f1f1f1}.error-message{color:#f44;font-size:.9rem;margin:0}.invite-note{margin-top:1rem;color:var(--text-secondary);font-size:.8rem}