body{margin:0;padding:0;font-family:Inter,sans-serif;background:var(--bg-main);color:var(--text-main);overflow-x:hidden;-webkit-tap-highlight-color:transparent;transition:background .3s ease,color .3s ease}*{box-sizing:border-box}:root{--bg-main: #000000;--text-main: #ffffff;--text-muted: #94a3b8;--card-bg: rgba(30, 41, 59, .5);--card-border: rgba(255, 255, 255, .05);--input-bg: rgba(15, 23, 42, .6);--icon-bg: rgba(255, 255, 255, .1);--header-bg: rgba(15, 23, 42, .8);--error-bg: rgba(239, 68, 68, .1);--error-border: rgba(239, 68, 68, .3);--error-text: #fca5a5;--success-bg: rgba(34, 197, 94, .1);--success-border: rgba(34, 197, 94, .3);--success-text: #86efac}