*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#f4f8fd;color:#17233b;font-family:"Noto Sans Thai",Tahoma,Arial,sans-serif;font-size:15px;line-height:1.55}header{height:74px;background:#fff;border-bottom:1px solid #e4e9f1;display:flex;align-items:center;padding:8px 4%;gap:26px;position:sticky;top:0;z-index:20}.brand{display:flex;align-items:center;gap:11px;min-width:390px}.brand-icon{width:48px;height:48px;border-radius:10px;display:grid;place-items:center;font-size:31px;background:#eef6ff}.brand strong{display:block;font-size:21px;line-height:1.15;color:#10214a}.brand small{display:block;font-size:12px;color:#65718a;margin-top:2px}nav{display:flex;justify-content:center;align-items:stretch;gap:8px;flex:1;height:100%}nav a{display:flex;align-items:center;padding:0 14px;color:#273654;text-decoration:none;border-bottom:3px solid transparent;font-size:14px}nav a:hover,nav a.active{color:#1264e9;border-bottom-color:#1264e9}.uni{white-space:nowrap;font-weight:700;color:#5b3c92;font-size:14px}main{max-width:1460px;margin:0 auto;padding:28px 32px 35px}.hero{display:flex;align-items:center;justify-content:space-between;margin:0 0 24px;padding:0 8px}.hero h1{font-size:31px;margin:0;color:#17243d;font-weight:800}.hero p{margin:5px 0 0;color:#68758b;font-size:14px}.button{background:#1468ed;color:#fff;text-decoration:none;border-radius:9px;padding:10px 18px;font-weight:700;box-shadow:0 4px 12px #1468ed30}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-bottom:24px}.card{background:#fff;border:1px solid #e4eaf2;border-radius:15px;box-shadow:0 4px 15px #1c31500d}.room{height:236px;display:grid;grid-template-columns:154px minmax(0,1fr);overflow:hidden}.room-photo{width:154px;height:204px;margin:14px 0 14px 14px;border-radius:11px;object-fit:cover;background:#eef3f8}.room-body{padding:16px 17px 14px 19px;min-width:0;display:flex;flex-direction:column}.room h3{margin:0 0 5px;font-size:19px;line-height:1.25;color:#101e3b}.room p{margin:2px 0;color:#4e5d76;font-size:14px}.room span{color:#47566f;font-size:13px}.room-desc{font-size:13px!important;line-height:1.4;margin:8px 0 10px!important;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.book-room{margin-top:auto;width:100%;height:42px;border:1.5px solid #1268ef;border-radius:9px;display:flex;align-items:center;justify-content:center;color:#1268ef;text-decoration:none;font-weight:700;background:#fff}.book-room:hover{background:#edf5ff}.booking-card{padding:22px 20px 20px;margin-bottom:24px}.booking-card h2{margin:0;font-size:23px;color:#16233f}.section-sub{margin:1px 0 17px;color:#69768b;font-size:13px}.formgrid{display:grid;grid-template-columns:1.05fr 1fr 1fr;gap:14px 20px}.formgrid label{display:flex;flex-direction:column;gap:6px;font-weight:700;color:#283754}.wide{grid-column:1/-1}input,select,textarea{width:100%;border:1px solid #ccd6e4;border-radius:8px;padding:10px 12px;font:inherit;background:#fff;color:#17233b}textarea{resize:vertical;min-height:72px}input:focus,select:focus,textarea:focus{outline:3px solid #dceaff;border-color:#1769ee}.submit-wrap{text-align:center;padding-top:0}.submit-wrap button{border:0;background:#1468ed;color:#fff;border-radius:8px;padding:11px 22px;min-width:400px;font-weight:800;font:inherit;cursor:pointer;box-shadow:0 5px 13px #1468ed28}.submit-wrap small{display:block;margin-top:6px;color:#778399}.alert{padding:12px 15px;border-radius:9px;margin-bottom:16px}.error{background:#fff1f2;color:#be123c}.success{background:#ecfdf3;color:#047857}.tablewrap{overflow:auto}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:11px 10px;border-bottom:1px solid #edf1f5;white-space:nowrap}th{color:#66748b;font-size:13px}.status{background:#ecfdf3;color:#047857;border-radius:20px;padding:4px 9px;font-size:12px}footer{text-align:center;color:#7b8799;padding:20px 15px 30px}@media(max-width:1100px){header{padding:8px 3%;gap:10px}.brand{min-width:auto}.uni{display:none}nav a{padding:0 8px}.grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:700px){header{height:auto;min-height:68px}.brand-icon{width:38px;height:38px;font-size:24px}.brand strong{font-size:17px}.brand small{font-size:10px}nav{display:none}main{padding:20px 14px}.grid{grid-template-columns:1fr}.room{height:220px;grid-template-columns:145px minmax(0,1fr)}.room-photo{width:145px;height:190px}.formgrid{grid-template-columns:1fr}.wide{grid-column:auto}.hero{align-items:flex-start;gap:14px;flex-direction:column}.submit-wrap button{min-width:0;width:100%}}
/* CMU header refinement */
.uni{width:150px;height:48px;font-size:0;background:url('https://admission.reg.cmu.ac.th/tcas/images/cmu-sub-logo-1.png') center/contain no-repeat;flex:0 0 150px}
header{padding-left:4%;padding-right:4%;gap:28px}
.brand{min-width:400px}
@media(max-width:1100px){.brand{min-width:auto}.uni{display:block;width:110px;flex-basis:110px;height:40px}header{gap:12px}}
@media(max-width:700px){.uni{display:none}}

/* Use official CMU horizontal sub-logo */
.uni{background-image:url('https://upload.wikimedia.org/wikipedia/commons/a/a8/CMU_SUB-LOGO-08.png')}