body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #333;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}
.container {
    max-width: 600px;
    padding: 30px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    backdrop-filter: blur(10px);
    animation: fadeIn 0.5s ease-in;
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}
.btn {
    border-radius: 25px;
    transition: all 0.3s ease;
}
.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}
.form-control {
    border-radius: 10px;
    border: 1px solid #ddd;
    transition: border-color 0.3s ease;
}
.form-control:focus {
    border-color: #007bff;
    box-shadow: 0 0 5px rgba(0,123,255,0.5);
}
.card {
    border: none;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}
.card:hover {
    transform: translateY(-5px);
}
table {
    border-radius: 10px;
    overflow: hidden;
}
th {
    background: linear-gradient(135deg, #007bff, #0056b3);
}
.navbar {
    background: rgba(0,0,0,0.8);
    backdrop-filter: blur(10px);
}
.alert {
    border-radius: 10px;
    animation: slideIn 0.5s ease;
}
@keyframes slideIn {
    from { transform: translateX(-100%); }
    to { transform: translateX(0); }
}