:root{--bg-main: #ffffff;--bg-surface: #f8f8f8;--bg-surface-dark: #efefef;--text-primary: #1f1f1f;--text-secondary: #777777;--accent-brand: #5422b0;--color-border: #e0e0e0;--color-highlight: #F0E6F7;--color-overlay: rgba(31, 31, 31, .1);--color-icon-default: #777777;--color-icon-active: #5422b0;--color-separator: #e0e0e0;--font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--font-size-base: 1.125rem;--font-size-h3: 1.125rem;--font-size-h2: 1.25rem;--font-size-h1: 1.5rem;--line-height: 1.5;--spacing-xs: 4px;--spacing-sm: 8px;--spacing-md: 16px;--spacing-lg: 24px;--spacing-xl: 32px;--radius: 12px;--radius-sm: 6px;--radius-lg: 16px;--radius-full: 9999px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px rgba(0, 0, 0, .07);--shadow-lg: 0 10px 15px rgba(0, 0, 0, .1);--shadow-input: 0 -4px 12px rgba(0, 0, 0, .05);--header-height: 56px;--input-drawer-min-height: 80px;--max-content-width: 650px;--app-max-width: 480px;--z-header: 100;--z-input-drawer: 90;--z-overlay: 200;--z-drawer: 210;--z-selection-menu: 220}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}html{height:100%;-webkit-text-size-adjust:100%}body{font-family:var(--font-family);font-size:var(--font-size-base);line-height:var(--line-height);background-color:var(--bg-main);color:var(--text-primary);min-height:100%;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden;overscroll-behavior-x:none}h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.2;margin-bottom:.75rem;margin-top:1.5rem}h1{font-size:var(--font-size-h1)}h2{font-size:var(--font-size-h2)}h3{font-size:var(--font-size-h3)}p,li{font-size:var(--font-size-base);font-weight:400;margin-bottom:1rem}strong{font-weight:700}a{color:var(--accent-brand);text-decoration:none}a:hover{text-decoration:underline}button{font-family:inherit;font-size:inherit;cursor:pointer;border:none;background:none;color:inherit;padding:0}button:disabled{cursor:not-allowed;opacity:.5}input,textarea{font-family:inherit;font-size:inherit;border:none;outline:none;background:transparent;color:inherit}textarea{resize:none}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--bg-surface-dark);border-radius:var(--radius-full)}::selection{background-color:var(--color-highlight);color:var(--text-primary)}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media(min-width:768px){html{background:#fff}body,.app-shell{max-width:var(--app-max-width);margin:0 auto;background:var(--bg-main);min-height:100vh;position:relative;box-shadow:0 0 40px #00000014}}