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



body {
    background: #f4f6f8;
    color: #333;
}

header {
    background: linear-gradient(135deg, #4facfe, #00f2fe);
    color: white;
    padding: 20px 40px;
    text-align: center;
    font-size: 24px;
    font-weight: bold;
    box-shadow: 0 3px 6px rgba(0,0,0,0.1);
}


.container {
    max-width: 1200px;
    margin: 30px auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
}


.card {
    background: white;
    border-radius: 15px;
    padding: 25px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}


.card h2 {
    font-size: 36px;
    margin: 15px 0;
    color: #4facfe;
}

.card h3 {
    font-size: 18px;
    margin-bottom: 15px;
    color: #555;
}


select, button {
    padding: 10px;
    margin: 8px 0;
    width: 100%;
    border-radius: 8px;
    border: 1px solid #ccc;
    font-size: 14px;
}

button {
    background: #4facfe;
    color: white;
    font-weight: bold;
    border: none;
    cursor: pointer;
    transition: background 0.3s;
}

button:hover {
    background: #00f2fe;
}


.msg {
    margin-top: 12px;
    font-weight: bold;
}


.box {
    background: white;
    padding: 30px;
    width: 330px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 15px 30px rgba(0,0,0,0.25);
    margin: 60px auto;
}

.box input {
    width: 100%;
    padding: 12px;
    margin: 10px 0;
    border-radius: 8px;
    border: 1px solid #ccc;
    font-size: 14px;
}


.box button {
    width: 100%;
    padding: 12px;
    border: none;
    border-radius: 8px;
    background: #243b55;
    color: white;
    font-size: 16px;
    cursor: pointer;
    margin-top: 5px;
    font-weight: bold;
    transition: opacity 0.3s;
}

.box button:hover {
    opacity: 0.9;
}

.box button.secondary {
    background: #777;
}


#msg {
    margin-top: 10px;
    color: red;
    font-weight: bold;
}
table {
    border-collapse: collapse;
}
th, td {
    padding: 8px;
    text-align: left;
}