:root{--ink:#142033;--muted:#687486;--bg:#f5f7fb;--card:#fff;--line:#dfe5ed;--blue:#2858d8;--violet:#7542df;--danger:#b42318;--ok:#087443}*{box-sizing:border-box}body{margin:0;font-family:"Leelawadee UI",Tahoma,sans-serif;background:radial-gradient(circle at 50% 0,#e9edff 0,transparent 36%),var(--bg);color:var(--ink);min-height:100vh}.auth-shell{width:min(460px,calc(100% - 32px));margin:55px auto}.brand{display:flex;align-items:center;justify-content:center;gap:10px;margin-bottom:28px;font-size:19px;font-weight:800;color:var(--ink);text-decoration:none}.logo{display:grid;place-items:center;width:38px;height:38px;border-radius:11px;color:#fff;background:linear-gradient(135deg,var(--blue),var(--violet));font:700 22px Georgia}.panel{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:32px;box-shadow:0 22px 60px #23406b18}.panel h1{margin:0 0 7px;font-size:28px}.sub{margin:0 0 25px;color:var(--muted);font-size:14px}.field{margin-bottom:17px}.field label{display:block;margin-bottom:7px;font-size:13px;font-weight:700}.field input{width:100%;height:46px;border:1px solid var(--line);border-radius:10px;padding:0 13px;outline:0}.field input:focus{border-color:var(--blue);box-shadow:0 0 0 3px #2858d818}.primary{width:100%;height:47px;border:0;border-radius:10px;background:linear-gradient(135deg,var(--blue),#5542d5);color:#fff;font-weight:800;cursor:pointer}.notice{border-radius:10px;padding:11px 13px;margin-bottom:18px;font-size:13px}.error{background:#fff1f0;color:var(--danger);border:1px solid #ffc7c2}.success{background:#ecfdf3;color:var(--ok);border:1px solid #b7e4ca}.switch{text-align:center;color:var(--muted);font-size:13px;margin-top:20px}.switch a,.back{color:var(--blue);font-weight:700;text-decoration:none}.profile-row{display:flex;justify-content:space-between;padding:13px 0;border-bottom:1px solid var(--line);gap:20px}.profile-row span{color:var(--muted)}.actions{display:flex;gap:10px;margin-top:23px}.actions a{flex:1;text-align:center;padding:12px;border-radius:10px;text-decoration:none;font-weight:700}.home{color:var(--blue);background:#edf2ff}.logout{color:#b42318;background:#fff1f0}@media(max-width:520px){.auth-shell{margin:28px auto}.panel{padding:24px}}