:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media(prefers-color-scheme:light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}:root{--primary: #3b82f6;--danger: #ef4444;--secondary: #6b7280;--success: #10b981;--bg: #f9fafb;--border: #e5e7eb;--text: #1f2937;--text-light: #6b7280;--spacing-xs: .5rem;--spacing-sm: 1rem;--spacing-md: 1.5rem;--spacing-lg: 2rem;--radius: .5rem;--shadow: 0 1px 3px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px rgba(0, 0, 0, .1)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;background-color:var(--bg);color:var(--text);line-height:1.5}#root{min-height:100vh;display:flex;flex-direction:column}.app{max-width:1000px;margin:0 auto;padding:var(--spacing-lg);width:100%;flex:1;display:flex;flex-direction:column}.toolbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--spacing-lg);gap:var(--spacing-md)}.toolbar-title{flex:1}.toolbar h1{font-size:2rem;font-weight:700;margin-bottom:var(--spacing-xs)}.toolbar-subtitle{font-size:.875rem;color:var(--text-light);margin:0}.btn{padding:var(--spacing-xs) var(--spacing-sm);border:none;border-radius:var(--radius);font-size:.875rem;font-weight:500;cursor:pointer;transition:all .2s;display:inline-flex;align-items:center;gap:var(--spacing-xs)}.btn:hover:not(:disabled){transform:translateY(-1px);box-shadow:var(--shadow-lg)}.btn:active:not(:disabled){transform:translateY(0)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background-color:#2563eb;color:#fff}.btn-primary:hover:not(:disabled){background-color:#1d4ed8}.btn-danger{background-color:#dc2626;color:#fff}.btn-danger:hover:not(:disabled){background-color:#b91c1c}.btn-secondary{background-color:#4b5563;color:#fff}.btn-secondary:hover:not(:disabled){background-color:#374151}.btn-delete{background-color:#0000001a;color:currentColor;font-size:1rem;width:2.5rem;height:2.5rem;padding:0;display:flex;align-items:center;justify-content:center}.btn-icon{font-size:1.25rem;width:2.5rem;height:2.5rem;padding:0;display:flex;align-items:center;justify-content:center;border:none;border-radius:var(--radius);cursor:pointer;transition:all .2s}.btn-icon:hover:not(:disabled){transform:translateY(-1px);box-shadow:var(--shadow-lg)}.btn-icon:active:not(:disabled){transform:translateY(0)}.btn-lg{padding:var(--spacing-sm) var(--spacing-md);font-size:1rem}.btn-small{padding:.25rem .5rem;font-size:.75rem}.stopwatch-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:var(--spacing-md)}.empty-state{grid-column:1 / -1;text-align:center;padding:var(--spacing-lg);color:var(--text-light);font-size:1.125rem}.stopwatch-item{padding:var(--spacing-sm) var(--spacing-md) var(--spacing-md);border-radius:var(--radius);box-shadow:var(--shadow);transition:box-shadow .2s;display:flex;flex-direction:column;gap:var(--spacing-md);position:relative}.stopwatch-item:hover{box-shadow:var(--shadow-lg)}.stopwatch-color-indicator{position:absolute;top:calc(var(--spacing-sm) + .5rem);right:var(--spacing-md);width:1.5rem;height:1.5rem;min-width:1.5rem;min-height:1.5rem;max-width:1.5rem;max-height:1.5rem;border-radius:50%;border:2px solid;box-shadow:0 1px 3px #0003;cursor:pointer;transition:transform .2s;z-index:10;padding:0;flex-shrink:0;aspect-ratio:1 / 1}.stopwatch-color-indicator:hover{transform:scale(1.15)}.stopwatch-color-indicator:focus-visible{outline:2px solid rgba(0,0,0,.5);outline-offset:2px}.stopwatch-header{display:flex;justify-content:space-between;align-items:center;gap:var(--spacing-sm);width:100%}.stopwatch-name{font-size:1.125rem;font-weight:600;margin:0;cursor:pointer;flex:1;transition:opacity .2s;padding:var(--spacing-xs) var(--spacing-sm) var(--spacing-xs) var(--spacing-xs);border-radius:var(--radius);border:1px solid transparent;box-sizing:border-box;line-height:1.5}.stopwatch-name:hover{opacity:.8}.stopwatch-name-input{flex:1;width:100%;padding:var(--spacing-xs) var(--spacing-sm) var(--spacing-xs) var(--spacing-sm);border:1px solid rgba(0,0,0,.2);border-radius:var(--radius);font-size:1.125rem;font-weight:600;background-color:#ffffff4d;color:inherit;line-height:1.5;box-sizing:border-box;padding-left:var(--spacing-xs)}.stopwatch-name-input::selection{background-color:var(--selection-color);color:var(--selection-text-color)}.stopwatch-name-input:focus{outline:none;box-shadow:0 0 0 2px #0000001a}.color-controls{position:relative;display:flex;align-items:center;flex-shrink:0}.color-picker-toggle{width:2.5rem;height:2.5rem;min-width:2.5rem;border:3px solid rgba(0,0,0,.4);border-radius:50%;cursor:pointer;transition:transform .2s,box-shadow .2s;display:flex;align-items:center;justify-content:center;background-color:#fff!important;position:relative;z-index:5}.color-picker-toggle:after{content:"";position:absolute;width:1.5rem;height:1.5rem;border-radius:50%;border:none}.color-picker-toggle:hover{transform:scale(1.1);box-shadow:0 2px 8px #0003}.color-picker-toggle:focus-visible{outline:2px solid rgba(0,0,0,.5);outline-offset:2px}.color-palette{position:absolute;top:calc(var(--spacing-sm) + 2.5rem);right:var(--spacing-md);background-color:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:var(--spacing-sm);display:grid;grid-template-columns:repeat(5,1fr);gap:var(--spacing-xs);box-shadow:var(--shadow-lg);z-index:20;min-width:240px}.color-swatch{width:2rem;height:2rem;min-width:2rem;min-height:2rem;max-width:2rem;max-height:2rem;border:3px solid transparent;border-radius:50%;cursor:pointer;transition:all .2s;padding:0;flex-shrink:0;aspect-ratio:1 / 1;position:relative}.color-swatch:after{content:attr(data-color-name);position:absolute;bottom:calc(100% + .5rem);left:50%;transform:translate(-50%);background-color:#000000e6;color:#fff;padding:.25rem .5rem;border-radius:.25rem;font-size:.75rem;white-space:nowrap;opacity:0;pointer-events:none;transition:opacity .2s;z-index:100}.color-swatch:hover:after{opacity:1}.color-swatch:hover{transform:scale(1.1)}.color-swatch.active{border-color:#fff;box-shadow:0 0 0 1px #0000004d}.color-swatch:focus-visible{outline:2px solid #000;outline-offset:2px}.stopwatch-time{font-size:2rem;font-weight:700;font-family:Monaco,Menlo,monospace;text-align:center;padding:var(--spacing-sm) 0;letter-spacing:.05em}.stopwatch-controls{display:flex;gap:var(--spacing-sm);justify-content:center}.stopwatch-controls .btn-icon,.stopwatch-controls .btn-delete{flex:0 0 auto}.undo-toast{position:fixed;bottom:var(--spacing-lg);left:50%;transform:translate(-50%);background-color:#1f2937;color:#fff;padding:var(--spacing-md);border-radius:var(--radius);box-shadow:var(--shadow-lg);display:flex;align-items:center;gap:var(--spacing-md);max-width:400px;z-index:1000;animation:slideUp .3s ease-out}@keyframes slideUp{0%{opacity:0;transform:translate(-50%) translateY(10px)}to{opacity:1;transform:translate(-50%) translateY(0)}}.undo-progress{position:absolute;bottom:0;left:0;height:3px;background-color:var(--primary);border-radius:0 0 var(--radius) var(--radius);transition:width .1s linear}.btn:focus-visible,.stopwatch-name:focus-visible,.color-picker:focus-visible{outline:2px solid var(--primary);outline-offset:2px}@media(max-width:768px){.app{max-width:none;padding:var(--spacing-md) 0}.toolbar{flex-direction:column;align-items:stretch;padding:0 var(--spacing-md)}.toolbar h1{font-size:1.5rem}.stopwatch-list{display:flex;flex-direction:column;padding:0 var(--spacing-md);width:100%}.btn-lg{width:100%}.undo-toast{width:calc(100% - 2 * var(--spacing-md));max-width:none;left:var(--spacing-md);transform:none}}.footer{margin-top:auto;padding-top:1.5rem;padding-bottom:.25rem;width:100%;padding-left:var(--spacing-lg);padding-right:var(--spacing-lg)}.footer-content{text-align:center;color:#6b7280}.footer-divider{display:flex;justify-content:center;align-items:center;margin-top:-2.5rem}.footer-line{flex:1;height:1px;background:#d1d5db}.footer-logo{margin:0 1rem}.footer-svg{display:inline-block}.footer-links{display:flex;flex-direction:column;justify-content:center;align-items:center;gap:.5rem;padding-top:1rem}@media(min-width:640px){.footer-links{flex-direction:row;gap:1rem}}.footer-made-by{display:flex;align-items:center;font-size:.75rem;color:#6b7280}.footer-separator{color:#9ca3af;display:none}@media(min-width:640px){.footer-separator{display:inline}}.footer-nav{display:flex;align-items:center;gap:.5rem;font-size:.75rem}.footer-link-item{color:#6b7280;text-decoration:none;transition:color .2s}.footer-link-item:hover{color:#374151;text-decoration:underline}.footer-dot{color:#9ca3af}