body {
    background: #f5f6fa;
    font-family: 'Segoe UI', Arial, sans-serif;
}
.login-container {
    max-width: 350px;
    margin: 60px auto;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 4px 24px rgba(0,0,0,0.08);
    padding: 32px 28px 24px 28px;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.login-container h2 {
    margin-bottom: 24px;
    color: #222;
    font-weight: 600;
}
#admin-login-form {
    width: 100%;
    display: flex;
    flex-direction: column;
}
#admin-login-form label {
    margin-bottom: 6px;
    color: #444;
    font-size: 15px;
}
#admin-login-form input {
    margin-bottom: 18px;
    padding: 10px 12px;
    border: 1px solid #d1d1d1;
    border-radius: 5px;
    font-size: 15px;
    outline: none;
    transition: border 0.2s;
}
#admin-login-form input:focus {
    border-color: #4e73df;
}
#admin-login-form button {
    background: var(--color_3);
    color: #fff;
    border: none;
    border-radius: 5px;
    padding: 10px 0;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}
#admin-login-form button:hover {
    background: var(--color_2);
    color: var(--color_1);
}
.login-error {
    color: #e74c3c;
    font-size: 14px;
    margin-top: 8px;
    min-height: 18px;
    text-align: center;
}