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Symbol;font-size:16px;line-height:1.6;letter-spacing:-.01em;color:var(--text-primary);background-color:var(--background);font-weight:400;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility}h1,h2,h3,h4,h5,h6{font-weight:500;letter-spacing:-.02em;line-height:1.3;margin:0}h1{font-size:2rem;font-weight:600}h2{font-size:1.5rem;font-weight:500}h3{font-size:1.25rem;font-weight:500}input,textarea,button,select{font-family:inherit;font-size:1rem;line-height:1.5}button{cursor:pointer;border-radius:8px;font-weight:500;letter-spacing:-.01em;outline:none;position:relative;overflow:hidden}button:focus-visible{outline:2px solid var(--primary-button-bg);outline-offset:2px}.app-root{max-width:640px;margin:0 auto;min-height:100vh;padding:0;position:relative;background-color:var(--background)}.theme-toggle{position:fixed;top:1.25rem;right:1.25rem;width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;z-index:1000;padding:0;margin:0;background-color:var(--surface);border:1px solid var(--border-soft);box-shadow:var(--shadow-md);cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}.theme-toggle:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px);border-color:var(--border-strong);background-color:var(--action-neutral-hover)}.theme-toggle:active{transform:translateY(0);box-shadow:var(--shadow-md)}.theme-icon{width:20px;height:20px;stroke-width:2;color:var(--text-primary);transition:transform .3s cubic-bezier(.4,0,.2,1)}.theme-toggle:hover .theme-icon{transform:rotate(15deg)}@media(max-width:480px){.theme-toggle{top:1rem;right:1rem;width:40px;height:40px;border-radius:10px}.theme-icon{width:18px;height:18px}}section{padding:2rem 1.5rem}h1,h2{font-weight:400;margin-bottom:1rem}p{margin-bottom:.75rem}@media(max-width:768px){.app-root{max-width:100%}section{padding:1.5rem 1rem}h1{font-size:1.5rem}h2{font-size:1.25rem}}@media(max-width:480px){section{padding:1rem .75rem}h1{font-size:1.25rem}h2{font-size:1.1rem}}button{background-color:var(--surface);border:1px solid var(--border-soft);color:var(--text-primary);padding:.75rem 1.5rem;font-weight:500;font-size:.9375rem;box-shadow:var(--shadow-sm);border-radius:8px}button:hover:not(:disabled){background-color:var(--action-neutral-hover);border-color:var(--border-strong);box-shadow:var(--shadow-md);transform:translateY(-1px)}button:active:not(:disabled){transform:translateY(0);box-shadow:var(--shadow-sm);background-color:var(--action-pressed)}button.primary-button{background-color:var(--primary-button-bg);color:var(--primary-button-text);border-color:var(--primary-button-bg);box-shadow:var(--shadow-md);font-weight:500}button.primary-button:hover:not(:disabled){background-color:var(--primary-button-hover);border-color:var(--primary-button-hover);box-shadow:var(--shadow-lg);transform:translateY(-1px)}button.primary-button:active:not(:disabled){background-color:var(--primary-button-active);transform:translateY(0);box-shadow:var(--shadow-md)}button.secondary-button{background-color:transparent;color:var(--text-secondary);border-color:var(--border-soft);box-shadow:none}button.secondary-button:hover:not(:disabled){background-color:var(--action-neutral);color:var(--text-primary);border-color:var(--border-strong);box-shadow:var(--shadow-sm)}button.secondary-button:active:not(:disabled){background-color:var(--action-pressed)}button:disabled{opacity:.5;cursor:not-allowed;box-shadow:none}textarea,input[type=text],input[type=number],input[type=email],input[type=search],select{border:1px solid var(--border-soft);border-radius:8px;padding:.75rem 1rem;background-color:var(--surface);color:var(--text-primary);font-size:1rem;transition:border-color .2s cubic-bezier(.4,0,.2,1),box-shadow .2s cubic-bezier(.4,0,.2,1);box-shadow:var(--shadow-sm)}textarea:focus,input:focus,select:focus{outline:none;border-color:var(--primary-button-bg);box-shadow:0 0 0 3px #1a1a1a1a,var(--shadow-md)}[data-theme=dark] textarea:focus,[data-theme=dark] input:focus,[data-theme=dark] select:focus{box-shadow:0 0 0 3px #e5e5e526,var(--shadow-md)}textarea::placeholder,input::placeholder{color:var(--text-tertiary);opacity:.7}:focus-visible{outline:2px solid var(--primary-button-bg);outline-offset:2px;border-radius:4px}@media(max-width:480px){button{min-height:48px;padding:.875rem 1.25rem}input,textarea,select{font-size:16px;padding:.875rem 1rem}}