:root{--bg:#fff8ef;--surface:#fff;--teal:#2ba88c;--teal-dark:#1f8567;--coral:#ff8a5b;--mustard:#ffc857;--charcoal:#3a332b;--muted:#a39a8a;--border:#f1e9dc}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--charcoal);font-family:Nunito,sans-serif}h1,h2,h3{font-family:Fredoka,sans-serif;font-weight:600;margin:0}.shell{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px 16px}.card{width:100%;max-width:420px;background:var(--surface);border-radius:24px;box-shadow:0 4px 24px rgba(0,0,0,.06);padding:28px}.field{margin-bottom:14px}.field label{display:block;font-size:12.5px;color:var(--muted);margin-bottom:4px;font-weight:700}.field input,.field select{width:100%;border:1px solid var(--border);border-radius:12px;padding:10px 12px;font-size:14px;font-family:inherit;background:#fff}.field input:focus,.field select:focus{outline:none;border-color:var(--teal)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;width:100%;border:none;border-radius:14px;padding:12px 16px;font-size:15px;font-weight:700;font-family:inherit;cursor:pointer;color:#fff;background:var(--teal);transition:transform .1s ease,opacity .15s ease}.btn:active{transform:scale(.98)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn.secondary{background:var(--border);color:var(--charcoal)}.btn.coral{background:var(--coral)}.tabs{display:flex;gap:8px;margin-bottom:18px}.tabs button{flex:1 1;border:2px solid var(--border);background:#fff;border-radius:12px;padding:8px;font-weight:700;font-size:13px;color:var(--muted);cursor:pointer;font-family:inherit}.tabs button.active{border-color:var(--teal);color:var(--teal-dark);background:#ecfaf5}.error-box{background:#ffe3e3;color:#9a3030;border-radius:12px;padding:10px 14px;font-size:13px;margin-bottom:14px}.muted{color:var(--muted);font-size:12.5px}.invite-code{font-family:monospace;font-weight:800;font-size:20px;letter-spacing:3px;background:#ecfaf5;color:var(--teal-dark);border-radius:12px;padding:10px 14px;text-align:center;margin:8px 0}.dash-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;background:#fff;box-shadow:0 2px 10px rgba(0,0,0,.04)}.dash-body{max-width:640px;margin:0 auto;padding:20px 16px 60px}.section-card{background:#fff;border-radius:20px;box-shadow:0 1px 6px rgba(0,0,0,.04);padding:16px;margin-bottom:14px}