*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--grad-start: #667eea;--grad-end: #764ba2;--hero-gradient: linear-gradient(135deg, #667eea 0%, #5a3eab 50%, #764ba2 100%);--white: #ffffff;--bg-light: #f8f9fa;--border: #e0e0e0;--text: #333333;--text-muted: #666666;--input-bg: #ffffff;--input-disabled-bg: #f0f0f0;--radius-sm: 12px;--radius-md: 18px;--radius-lg: 25px;--shadow-card: 0 20px 60px rgba(0, 0, 0, .3);--transition: .25s ease}html.dark{--hero-gradient: linear-gradient(135deg, #1a1f4a 0%, #2b1e5a 50%, #2d1b4e 100%);--white: #1e1e2e;--bg-light: #27273a;--border: #3a3a50;--text: #e2e2f0;--text-muted: #9494b0;--input-bg: #2a2a3e;--input-disabled-bg: #232334;--shadow-card: 0 20px 60px rgba(0, 0, 0, .6)}html{color-scheme:light}html.dark{color-scheme:dark}body,.card,input,select,textarea,button{transition:background-color .3s ease,color .3s ease,border-color .3s ease,box-shadow .3s ease}html,body{height:100%;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-size:15px;color:var(--text);background:linear-gradient(135deg,var(--grad-start) 0%,var(--grad-end) 100%);min-height:100vh}html.dark body{background:linear-gradient(135deg,#1a1f4a,#2d1b4e)}@media(min-width:901px){body{background:var(--bg-light);font-size:16px;overflow-x:hidden}html.dark body{background:var(--bg-light)}}input,select,textarea{background-color:var(--input-bg);color:var(--text);border-color:var(--border)}a{color:inherit;text-decoration:none}button{cursor:pointer;font-family:inherit}