* {
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, sans-serif;
    margin: 0;
    padding: 0;
}
html, body {
    height: 100%;
    background-color: #f0f2f5;
}
body {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}
.wrapper {
    width: 100%;
    max-width: 420px;
}
.page-title {
    text-align: center;
    font-size: 28px;
    font-weight: bold;
    color: #333;
    margin-bottom: 20px;
}
.form-box {
    background-color: #ffffff;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}
form label {
    display: block;
    margin-bottom: 6px;
    color: #444;
    font-weight: 500;
}
form input {
    width: 100%;
    padding: 12px;
    margin-bottom: 16px;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 14px;
}
form input:focus {
    border-color: #28a745;
    outline: none;
}
button {
    width: 100%;
    padding: 12px;
    background-color: #28a745;
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    cursor: pointer;
}
button:hover {
    background-color: #218838;
}
.error {
    background-color: #ffe0e0;
    border-left: 5px solid #ff5c5c;
    padding: 10px;
    margin-bottom: 15px;
    color: #900;
    border-radius: 6px;
    font-size: 14px;
}
p {
    font-size: 14px;
    text-align: center;
    margin-top: 15px;
}
a {
    color: #28a745;
    text-decoration: none;
}
a:hover {
    text-decoration: underline;
}