*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #0f0c29;--bg2: #1a1740;--card: #1e1b4b;--text: #f1f5f9;--muted: #94a3b8;--hint: #64748b;--border-soft: rgba(255,255,255,.08);--overlay: rgba(255,255,255,.06);--accent: #7c3aed;--accent2: #06b6d4;--gold: #f59e0b;--green: #10b981;--red: #ef4444;--radius: 16px}[data-theme=light]{--bg: #eef0f8;--bg2: #dde2f0;--card: #ffffff;--text: #1e293b;--muted: #475569;--hint: #94a3b8;--border-soft: rgba(0,0,0,.07);--overlay: rgba(0,0,0,.04)}body{font-family:Segoe UI,system-ui,sans-serif;background:linear-gradient(135deg,var(--bg) 0%,var(--bg2) 100%);min-height:100vh;color:var(--text);transition:background .3s,color .3s}button{cursor:pointer;border:none;font-family:inherit}input{font-family:inherit}@keyframes slideUp{0%{transform:translate(-50%) translateY(100px);opacity:0}to{transform:translate(-50%) translateY(0);opacity:1}}@keyframes pulse{0%,to{transform:scale(1);opacity:.6}50%{transform:scale(1.15);opacity:1}}@keyframes shrink{0%{transform:scaleX(1)}to{transform:scaleX(0)}}.atlas-theme-btn{position:fixed;bottom:16px;right:16px;z-index:9000;width:42px;height:42px;border-radius:50%;background:var(--card);border:1px solid var(--border-soft);font-size:19px;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 16px #0000004d;cursor:pointer;transition:transform .2s,background .3s}.atlas-theme-btn:hover{transform:scale(1.12)}