:root{font-family:Inter,system-ui,sans-serif;color:#172033;background:#f5f7fb}*{box-sizing:border-box}body{margin:0}.shell{max-width:1100px;margin:auto;padding:32px 20px}header{display:flex;align-items:center;gap:18px;margin-bottom:36px}header strong{font-size:24px;color:#4f46e5}header span{color:#64748b;flex:1}.card{background:#fff;border:1px solid #e5e7eb;border-radius:12px;box-shadow:0 1px 2px #00000008}.auth{max-width:400px;margin:11vh auto;padding:28px}.auth h1{margin-top:0}form{display:grid;gap:12px}input,select,button{font:inherit;border-radius:8px;padding:10px 12px;border:1px solid #d7dce5}button{background:#4f46e5;color:#fff;border-color:#4f46e5;cursor:pointer}.secondary{background:#fff;color:#475569}.danger{background:transparent;color:#dc2626;border:0;padding:0}a{display:block;margin-top:16px;color:#4f46e5;cursor:pointer}.error{color:#dc2626;margin:0}.create{display:flex;padding:12px;margin-bottom:16px;gap:10px}.create input{flex:1}nav{display:flex;gap:8px;margin-bottom:20px}nav button{background:transparent;color:#475569;border:0}.active{background:#e0e7ff!important;color:#3730a3!important}.board{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.column h2{font-size:14px;color:#64748b}.column small{background:#e2e8f0;padding:2px 6px;border-radius:10px}.todo{padding:14px;margin-bottom:10px}.todo p{font-size:13px;color:#64748b}.todo footer{display:flex;justify-content:space-between;align-items:center;margin-top:12px}.todo select{padding:5px;font-size:12px}@media (max-width:700px){.board{grid-template-columns:1fr}.shell{padding:20px 14px}}