.navbar{position:fixed;top:0;left:0;width:100%;background:var(--card-bg);color:var(--text-dark);padding:0;z-index:1000;box-shadow:0 2px 12px var(--shadow);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--border-color)}.navbar-container{max-width:1400px;margin:0 auto;padding:16px 24px;display:flex;align-items:center;justify-content:space-between}.navbar-logo{font-size:24px;font-weight:700;color:var(--primary-color)}.navbar ul,.navbar-logo{display:flex;align-items:center;gap:8px}.navbar ul{justify-content:center;padding:0;margin:0;list-style:none}.navbar li{margin:0}.navbar a{color:var(--text-dark);text-decoration:none;font-size:15px;font-weight:500;padding:10px 18px;border-radius:8px;transition:all .3s ease;display:inline-block}.navbar a:hover{background-color:var(--secondary-color);color:var(--primary-color);transform:translateY(-1px)}.navbar a.active{background-color:var(--primary-color);color:white}@media (max-width:968px){.navbar-container{flex-direction:column;gap:16px;padding:16px}.navbar ul{flex-wrap:wrap;justify-content:center}.navbar a{font-size:14px;padding:8px 14px}}*{margin:0;padding:0;box-sizing:border-box}:root{--primary-color:#4A90E2;--primary-dark:#357ABD;--primary-light:#6BA3E8;--secondary-color:#F5F7FA;--text-dark:#2C3E50;--text-light:#7F8C8D;--background:#F8F9FA;--card-bg:#FFFFFF;--border-color:#E1E8ED;--success:#27AE60;--error:#E74C3C;--shadow:rgba(0,0,0,0.08);--shadow-hover:rgba(0,0,0,0.15)}body{font-family:Inter,Segoe UI,Tahoma,Geneva,Verdana,sans-serif;background:var(--background);min-height:100vh;flex-direction:column;color:var(--text-dark);line-height:1.6}body,main{display:flex}main{flex:1 1;width:100%;padding-top:80px;justify-content:center;align-items:flex-start}p{font-size:16px;line-height:1.6;margin-bottom:10px;color:var(--text-dark)}a{text-decoration:none;color:inherit;transition:all .3s ease}.container{max-width:1400px;width:100%;margin:0 auto;padding:20px}.page-content{display:flex;justify-content:center;align-items:center;flex-direction:column;width:100%;word-wrap:break-word}footer{background:var(--card-bg);color:var(--text-light);text-align:center;padding:24px;width:100%;border-top:1px solid var(--border-color);font-size:14px;margin-top:auto}input,select{padding:12px 16px;font-size:15px;border:2px solid var(--border-color);border-radius:10px;outline:none;transition:all .3s ease;background-color:var(--card-bg);color:var(--text-dark);width:100%;font-family:inherit}input:focus,select:focus{border-color:var(--primary-color);box-shadow:0 0 0 3px rgba(74,144,226,.1)}input::placeholder{color:var(--text-light)}button{padding:12px 24px;background:var(--primary-color);color:white;border:none;border-radius:10px;cursor:pointer;font-size:15px;font-weight:600;transition:all .3s ease;box-shadow:0 2px 8px var(--shadow);font-family:inherit}button:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 4px 12px var(--shadow-hover)}button:active{transform:translateY(0)}button:disabled{opacity:.6;cursor:not-allowed}@media (max-width:768px){main{padding-top:100px}button,input,select{font-size:14px}.container{padding:15px}}