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

body {
    background: #f4f7fb;
    color: #333;
}

/* Header */
header {
    background: #2b7cff;
    color: white;
    padding: 20px;
    text-align: center;
}

/* Layout */
.container {
    display: flex;
    justify-content: center;
    gap: 20px;
    padding: 30px;
    flex-wrap: wrap;
}

/* Cards */
.card {
    background: white;
    width: 350px;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

/* Inputs */
label {
    display: block;
    margin-top: 10px;
    font-weight: bold;
}

input {
    width: 100%;
    padding: 8px;
    margin-top: 5px;
    border-radius: 5px;
    border: 1px solid #ccc;
}

/* Button */
button {
    margin-top: 15px;
    width: 100%;
    padding: 10px;
    background: #2b7cff;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

button:hover {
    background: #1f5edb;
}

/* Notification */
.notification {
    margin-top: 15px;
    padding: 15px;
    border-radius: 5px;
    background: #eef3ff;
    font-weight: bold;
}

/* Footer */
footer {
    text-align: center;
    padding: 15px;
    background: #ddd;
}