* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Arial, sans-serif;
    background-color: #f0f4f8;
    color: #333;
}

.header {
    background: linear-gradient(135deg, #003366, #0066cc);
    color: white;
    padding: 15px 20px;
    text-align: center;
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
}

.nav {
    background: #003366;
    padding: 10px;
    text-align: center;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 5px;
}

.nav a {
    color: white;
    margin: 0 10px;
    padding: 5px 0;
    text-decoration: none;
    font-weight: bold;
    white-space: nowrap;
}

.nav a:hover {
    color: #ffd700;
}

.container {
    max-width: 1200px;
    margin: 30px auto;
    padding: 20px;
}

.card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    padding: 30px;
    margin: 20px 0;
}

/* Buttons now wrap properly on mobile */
.btn {
    background: #0066cc;
    color: white;
    padding: 12px 25px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 16px;
    margin: 5px;
    display: inline-block;
    text-decoration: none;
    text-align: center;
    white-space: nowrap;
}

.btn:hover {
    background: #003366;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}

th, td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

th {
    background: #003366;
    color: white;
}

.success { color: green; font-weight: bold; }
.danger { color: red; font-weight: bold; }

/*Mobile Fixes*/
@media (max-width: 768px) {
    .container {
        padding: 10px;
        margin: 15px auto;
    }

    .card {
        padding: 20px 15px;
    }

    /* Buttons stack vertically and take full width on small screens */
    .btn {
        display: block;
        width: 100%;
        margin: 8px 0;
    }

    /* Center any button containers */
    .card div[style*="text-align:center"] {
        display: flex;
        flex-direction: column;
        align-items: center;
    }

     /* Tables scroll horizontally instead of breaking  */
    table {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
    }

    th, td {
        padding: 8px 10px;
        font-size: 14px;
    }

    .nav a {
        margin: 5px;
        font-size: 14px;
    }

    .header h1 {
        font-size: 20px;
    }

    .header p {
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .header {
        padding: 10px 15px;
    }

    .header h1 {
        font-size: 18px;
    }

    .card {
        padding: 15px 10px;
    }

    .card h2 {
        font-size: 18px;
    }
}