* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}

body {
    background-color: #f8f9fb;
    color: #333;
    line-height: 1.6;
    padding: 0;
    margin: 0;
}
#app {
    max-width: 1100px;
    margin: 0 auto;
    padding: 20px;
}
header {
    background: linear-gradient(135deg, #0056b3, #003f7f);
    color: #ffffff;
    text-align: center;
    padding: 2rem;
    font-size: 1.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-bottom: 4px solid #003366;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
}
nav {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 1rem;
}

nav button {
    background: #0056b3;
    border: none;
    color: white;
    padding: 12px 20px;
    font-size: 16px;
    cursor: pointer;
    border-radius: 6px;
    font-weight: 600;
    transition: all 0.3s ease-in-out;
    box-shadow: 0 3px 6px rgba(0, 86, 179, 0.2);
}

nav button:hover {
    background: #003f7f;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 86, 179, 0.4);
}
main {
    background: #ffffff;
    padding: 35px;
    margin-top: 20px;
    border-radius: 10px;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.12);
    animation: fadeIn 0.5s ease-in-out;
}
form {
    display: flex;
    flex-direction: column;
    max-width: 450px;
    margin: 0 auto;
    background: #ffffff;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
    border: 1px solid #ddd;
}

input, select, textarea {
    margin-bottom: 15px;
    padding: 14px;
    border-radius: 6px;
    border: 1px solid #ccc;
    font-size: 16px;
    background: #f9f9f9;
    color: #333;
    outline: none;
    transition: all 0.3s ease;
}

input:focus, select:focus, textarea:focus {
    border-color: #0056b3;
    box-shadow: 0 0 8px rgba(0, 86, 179, 0.3);
}
button {
    background: linear-gradient(135deg, #28a745, #1e7e34);
    color: white;
    padding: 14px;
    border: none;
    font-size: 16px;
    cursor: pointer;
    border-radius: 6px;
    font-weight: bold;
    text-transform: uppercase;
    transition: all 0.3s ease;
    box-shadow: 0 3px 6px rgba(40, 167, 69, 0.2);
}

button:hover {
    background: linear-gradient(135deg, #1e7e34, #145c25);
    box-shadow: 0 6px 12px rgba(40, 167, 69, 0.4);
    transform: translateY(-2px);
}
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 25px;
    background: #ffffff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.12);
}

th, td {
    padding: 16px;
    border: 1px solid #ddd;
    text-align: left;
    font-size: 16px;
}

th {
    background: #0056b3;
    color: white;
    font-weight: bold;
    text-transform: uppercase;
}

tr:nth-child(even) {
    background-color: #f8f9fb;
}

tr:hover {
    background: #e6f0ff;
    transition: background 0.3s ease;
}
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}
@media screen and (max-width: 768px) {
    nav {
        flex-direction: column;
        align-items: center;
    }

    nav button {
        width: 100%;
    }

    form {
        width: 90%;
    }

    main {
        padding: 25px;
    }
}