:root{font-family:"Noto Sans Thai",Tahoma,sans-serif;color:#172934;background:#efe8d9}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(circle at top right,#dfc174 0,transparent 28%),linear-gradient(135deg,#0e293c 0 43%,#efe8d9 43%)}button,input{font:inherit}.auth-shell{width:min(1020px,calc(100% - 30px));min-height:650px;margin:5vh auto;display:grid;grid-template-columns:.9fr 1.1fr;border-radius:26px;overflow:hidden;box-shadow:0 24px 70px rgba(4,19,29,.28);background:#fff}.auth-brand{padding:60px 46px;background:linear-gradient(150deg,#0e293c,#1e536b);color:#fff;display:flex;flex-direction:column;justify-content:center}.auth-brand img{width:105px;height:105px;object-fit:cover;border-radius:24px;border:2px solid #e6ca7b}.auth-brand p{margin:26px 0 5px;color:#e8cb78;letter-spacing:.13em;font-size:.78rem;font-weight:800}.auth-brand h1{margin:0;font:700 clamp(2rem,4vw,3.1rem)/1.25 serif}.auth-brand span{margin-top:18px;color:#d4e3e8;line-height:1.75}.auth-card{padding:34px 42px;display:flex;flex-direction:column}.auth-tabs{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;padding:5px;border-radius:13px;background:#f0ece3}.auth-tabs button{border:0;border-radius:9px;padding:10px 5px;background:transparent;color:#627079;cursor:pointer;font-weight:700;font-size:.8rem}.auth-tabs button.active{background:#fff;color:#133b52;box-shadow:0 3px 12px rgba(0,0,0,.08)}.auth-panel{display:none;margin-top:25px}.auth-panel.active{display:grid;gap:14px}.auth-panel h2{margin:0;color:#102b3f;font:700 1.65rem serif}.auth-panel>p{margin:-7px 0 2px;color:#68757b;font-size:.82rem;line-height:1.6}.auth-panel label{display:grid;gap:6px;color:#324852;font-weight:700;font-size:.78rem}.auth-panel input{width:100%;border:1px solid #d2c8b6;border-radius:11px;padding:12px 13px;background:#fffdf8;color:#172934}.auth-panel input:focus{outline:3px solid rgba(191,148,51,.18);border-color:#b78b2f}.primary{border:0;border-radius:11px;padding:13px 18px;background:#123c54;color:#fff;font-weight:800;cursor:pointer}.primary:disabled{opacity:.55}.message{margin-top:17px;padding:11px 13px;border-radius:10px;background:#eaf5ee;color:#24613c;font-size:.8rem;line-height:1.55}.message.error{background:#f9e7e5;color:#8b3034}.auth-card footer{margin-top:auto;padding-top:23px;color:#788286;font-size:.67rem;line-height:1.5}@media(max-width:720px){body{background:#efe8d9}.auth-shell{margin:15px auto;display:block}.auth-brand{padding:25px}.auth-brand img{width:66px;height:66px}.auth-brand p{margin:12px 0 3px}.auth-brand h1{font-size:1.65rem}.auth-brand span{display:none}.auth-card{padding:22px 18px 28px}.auth-tabs button{font-size:.7rem;padding:9px 3px}}