* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: #f8fafc;
    font-family: Arial, sans-serif;
    color: #1f2937;
}

form {
    width: 100%;
    max-width: 400px;
    padding: 32px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

h2 {
    margin: 0 0 28px;
    text-align: center;
    color: #2563eb;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
}

input {
    width: 100%;
    padding: 11px 12px;
    margin-bottom: 6px;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    font-size: 16px;
    outline: none;
}

input:focus {
    border-color: #2563eb;
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.15);
}

button {
    width: 100%;
    margin-top: 20px;
    padding: 11px;
    border: none;
    border-radius: 6px;
    background: #2563eb;
    color: white;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
}

button:hover {
    background: #1d4ed8;
}

.error {
    margin-bottom: 10px;
    color: #dc2626;
    font-size: 14px;
}

.error p {
    margin: 0;
}

.hidden {
    display: none;
}

form p {
    text-align: center;
}