.header{z-index:1000;-webkit-backdrop-filter:blur(14px);background:#0f172ad9;border-bottom:1px solid #ffffff14;justify-content:space-between;align-items:center;width:100%;height:80px;padding:0 60px;transition:all .3s;animation:.8s forwards slideDown;display:flex;position:sticky;top:0}.header:hover{box-shadow:0 10px 30px #00000040}.logo{cursor:pointer;align-items:center;gap:12px;display:flex}.logo img{object-fit:contain;width:55px;height:55px;transition:transform .4s}.logo:hover img{transform:rotate(-8deg)scale(1.08)}.logo h1{letter-spacing:1px;color:#0000;-webkit-text-fill-color:transparent;background:linear-gradient(90deg,#38bdf8,#60a5fa,#818cf8);-webkit-background-clip:text;background-clip:text;font-size:1.6rem;font-weight:700}.navbar{align-items:center;gap:35px;display:flex}.navbar a{color:#fff;font-size:1rem;font-weight:500;text-decoration:none;transition:all .3s;position:relative}.navbar a:after{content:"";background:linear-gradient(90deg,#38bdf8,#818cf8);width:0;height:2px;transition:width .35s;position:absolute;bottom:-8px;left:0}.avatarcircle{color:#2563eb;-webkit-user-select:none;user-select:none;background:#fff;border:2px solid #3b82f6;border-radius:50%;justify-content:center;align-items:center;width:42px;height:42px;font-size:18px;font-weight:700;display:flex}.avatarcircle.large{width:65px;height:65px;margin:0 auto 10px;font-size:26px}.navbar a:hover:after{width:100%}.navbar a:hover{color:#60a5fa;transform:translateY(-2px)}.signupbtn{background:linear-gradient(135deg,#2563eb,#7c3aed);border-radius:10px;padding:10px 22px;text-decoration:none;transition:all .4s;color:#fff!important}.signupbtn:hover{transform:translateY(-3px);box-shadow:0 8px 20px #3b82f666}.userprofile{cursor:pointer;align-items:center;gap:10px;display:flex;position:relative}.userprofile img{object-fit:cover;border:2px solid #3b82f6;border-radius:50%;width:42px;height:42px}.userprofile span{color:#fff;font-size:.95rem;font-weight:600}.dropdownmenu{z-index:9999;background:#fff;border-radius:16px;width:240px;animation:.25s dropdown;position:absolute;top:60px;right:0;overflow:hidden;box-shadow:0 15px 40px #00000026}.dropdownheader{text-align:center;color:#fff;background:linear-gradient(135deg,#2563eb,#4f46e5);padding:20px}.dropdownheader img{border:3px solid #fff;border-radius:50%;width:65px;height:65px;margin-bottom:10px}.dropdownheader h4{margin:0;font-size:1rem}.menuitem{color:#1e293b;padding:14px 18px;text-decoration:none;transition:all .3s;display:block}.menuitem:hover{background:#f8fafc}.logoutbtn{color:#ef4444;text-align:left;cursor:pointer;background:#fff;border:none;width:100%;padding:15px;font-weight:600;transition:all .3s}.logoutbtn:hover{background:#fef2f2}@keyframes slideDown{0%{opacity:0;transform:translateY(-40px)}to{opacity:1;transform:translateY(0)}}@keyframes dropdown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.menu-toggle{cursor:pointer;background:0 0;border:none;flex-direction:column;justify-content:center;align-items:center;gap:4px;width:34px;height:34px;display:none}.menu-toggle span{background:#fff;border-radius:2px;width:100%;height:3px;transition:transform .2s,opacity .2s;display:block}@media (max-width:768px){.header{height:64px;padding:0 14px}.logo{gap:10px}.logo img{width:46px;height:46px}.logo h1{font-size:1rem}.navbar{z-index:1100;background:#0a0c14fa;border-radius:18px;flex-direction:column;align-items:stretch;gap:10px;width:180px;padding:12px;display:none;position:absolute;top:64px;right:12px;box-shadow:0 18px 40px #00000047}.navbar.open{display:flex}.navbar a,.navbar .signupbtn{width:100%}.navbar a{padding:8px 0;font-size:.95rem}.signupbtn{text-align:center;padding:8px 0}.menu-toggle{display:flex}.userprofile span{display:none}.avatarcircle{width:36px;height:36px;font-size:15px}.dropdownmenu{width:180px;right:-10px}}@media (max-width:480px){.header{padding:0 12px}.logo img{width:48px;height:48px}.logo h1{font-size:.95rem}.navbar{width:170px;right:12px}.menu-toggle{width:42px;height:42px}.navbar a{font-size:.85rem}}