:root{--green:#00c853;--green-d:#00963d;--green-l:#e8fff2;--green-m:rgba(0,200,83,.12);--red:#ff3d00;--red-d:#cc2a00;--red-l:#fff0eb;--blue:#1565c0;--orange:#ff9800;--text:#111827;--text-m:#6b7280;--text-l:#9ca3af;--bg:#f3f4f6;--white:#fff;--border:#e5e7eb;--shadow-sm:0 1px 3px rgba(0,0,0,.08);--shadow:0 4px 16px rgba(0,0,0,.1);--shadow-lg:0 12px 40px rgba(0,0,0,.15);--radius:14px;--radius-sm:8px;--radius-lg:20px}*,:after,:before{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:Segoe UI,system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text);font-size:15px;line-height:1.6;min-height:100vh}button{cursor:pointer}button,input,select,textarea{font-family:inherit}a{text-decoration:none;color:inherit}@keyframes fadeIn{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@keyframes slideUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@keyframes spin{to{transform:rotate(1turn)}}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.04)}}@keyframes confetti{0%{transform:translateY(-10px) rotate(0deg);opacity:1}to{transform:translateY(60px) rotate(2turn);opacity:0}}.animate-fade-in{animation:fadeIn .4s ease}.animate-slide-up{animation:slideUp .3s ease}.animate-spin{animation:spin .8s linear infinite}.animate-pulse-once{animation:pulse .5s ease 3}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:var(--bg)}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-l)}.overlay-bg{position:fixed;inset:0;background:rgba(0,0,0,.65);z-index:200;display:flex;align-items:center;justify-content:center;padding:20px;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}