/* Base styles (desktop and default) */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f0f2f5;
    color: #1F2C3D;
    margin: 0;
}

header {
    background: linear-gradient(90deg, #FF6F3C 30%, #D94B20 100%);
    color: #fff;
    padding: 30px 0;
    text-align: center;
    font-size: 1.8em;
    font-weight: bold;
    box-shadow: 0 3px 8px rgba(0,0,0,0.1);
}

nav {
    background-color: #2c3e50;
    display: flex;
    justify-content: center;
    padding: 12px 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.08);
}

nav a {
    color: #fff;
    text-decoration: none;
    margin: 0 20px;
    font-weight: 600;
    padding: 6px 14px;
    border-radius: 6px;
    transition: all 0.3s ease;
}

nav a:hover {
    background-color: #FF6F3C;
    transform: translateY(-2px);
    box-shadow: 0 3px 6px rgba(0,0,0,0.15);
}

#content {
    max-width: 950px;
    margin: 25px auto;
    padding: 25px 20px;
    background-color: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

h2 {
    text-align: center;
    margin-bottom: 20px;
    color: #2c3e50;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 15px;
}

th, td {
    padding: 12px 15px;
    text-align: left;
}

th {
    background-color: #FF6F3C;
    color: #fff;
    font-weight: 600;
}

tr:nth-child(even) {
    background-color: #f8f8f8;
}

tr:hover {
    background-color: #ffe6d6;
    transition: background-color 0.3s;
}

.btn {
    background-color: #FF6F3C;
    color: #fff;
    border: none;
    padding: 8px 16px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn:hover {
    background-color: #D94B20;
    transform: translateY(-2px);
    box-shadow: 0 3px 6px rgba(0,0,0,0.15);
}

/* Mobile responsiveness */
@media (max-width: 600px) {
    header {
        font-size: 2em;
        padding: 25px 10px;
    }

    nav {
        flex-direction: column;
        padding: 10px 0;
    }

    nav a {
        margin: 8px 0;
        font-size: 1.1em;
        padding: 10px 12px;
    }

    #content {
        margin: 15px;
        padding: 20px;
    }

    table th, table td {
        padding: 10px 8px;
        font-size: 0.95em;
    }

    h2 {
        font-size: 1.5em;
    }

    .btn {
        padding: 10px 18px;
        font-size: 1em;
    }

    /* Make table scrollable on small screens */
    #content table {
        display: block;
        width: 100%;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    #content table th,
    #content table td {
        white-space: nowrap;
    }
}