@import"https://fonts.googleapis.com/css2?family=Tiro+Bangla&display=swap";body{margin:0;font-family:Arial,sans-serif;background-color:#f4f4f4}header{background:linear-gradient(to bottom,#00439c,#003580,#002860);color:#fff;padding:15px 0;text-align:center;height:70px;box-shadow:0 4px 6px #0003,0 10px 20px #0006;z-index:100;position:relative}nav{display:flex;justify-content:center;align-items:center;height:100%}nav a{color:#fff;margin:0 25px;text-decoration:none;font-weight:600;font-size:18px;padding:5px 10px;transition:color .3s,text-shadow .3s}nav a:hover{color:#a8c8ff;text-shadow:0 0 5px rgba(255,255,255,.7)}nav a.active{text-decoration:none;border-bottom:3px solid #ffcc00;padding-bottom:2px}main{padding:20px;min-height:calc(100vh - 170px)}footer{background-color:#003580;color:#fff;text-align:center;padding:5px 0;position:sticky;width:100%;height:50px;bottom:0;box-shadow:inset 0 5px 10px #00000080;z-index:99}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(180deg,#f7fafc,#e2edf7);padding:40px}.login-card{width:360px;background:#fff;border-radius:12px;box-shadow:0 10px 30px #14142814;padding:28px;text-align:left}.login-brand h1{margin:0 0 6px;font-size:20px}.login-brand .sub{color:#7b8aa3;font-size:12px}.login-form label{display:block;margin-top:12px;font-size:13px;color:#223}.login-form input{width:100%;padding:10px 12px;margin-top:6px;border:1px solid #e6eef8;border-radius:8px}.btn{width:100%;padding:10px 14px;margin-top:16px;background:#0b74de;color:#fff;border:none;border-radius:8px;font-weight:600;cursor:pointer}.login-error{margin-top:10px;color:#b71c1c}.btn-logout{margin-left:12px;padding:6px 10px;background:#e53935;color:#fff;border:none;border-radius:6px;cursor:pointer}.login-footer{margin-top:14px;text-align:center;color:#6b7280;font-size:12px}body,button,input,textarea,select{font-family:sans-serif,Tiro Bangla,Segoe UI,Tahoma,Geneva,Verdana!important}.btn-logout{margin-left:12px}.btn-logout{margin-left:12px;padding:6px 10px;background:#e53935;color:#fff;border:none;border-radius:6px;cursor:pointer;width:130px;position:relative}