* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
    min-height: 100%;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    background: #f4f6f8;
    color: #1f2933;
}

.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 30px 20px;
}

.login-box {
    width: 100%;
    max-width: 420px;
    background: #ffffff;
    border: 1px solid #e2e6ea;
    border-radius: 10px;
    padding: 40px;
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.08);
}

.login-logo {
    text-align: center;
    margin-bottom: 28px;
}

.login-logo img {
    width: 210px;
    max-width: 100%;
    height: auto;
}

.login-title {
    margin: 0 0 8px;
    text-align: center;
    font-size: 27px;
    font-weight: 600;
    color: #1f2933;
}

.login-subtitle {
    margin: 0 0 30px;
    text-align: center;
    font-size: 14px;
    line-height: 1.5;
    color: #6b7280;
}

.login-field {
    margin-bottom: 20px;
}

.login-field label {
    display: block;
    margin-bottom: 7px;
    font-size: 14px;
    font-weight: 600;
    color: #374151;
}

.login-field input {
    width: 100%;
    height: 46px;
    padding: 0 13px;
    border: 1px solid #cfd5db;
    border-radius: 6px;
    background: #ffffff;
    color: #1f2933;
    font-size: 15px;
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.login-field input:focus {
    border-color: #1d4f91;
    box-shadow: 0 0 0 3px rgba(29, 79, 145, 0.10);
}

.login-button {
    width: 100%;
    height: 46px;
    border: 0;
    border-radius: 6px;
    background: #1d4f91;
    color: #ffffff;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s ease;
}

.login-button:hover {
    background: #173f73;
}

.login-message {
    margin-bottom: 20px;
    padding: 12px 14px;
    border: 1px solid #e5b8b8;
    border-radius: 6px;
    background: #fff4f4;
    color: #9b1c1c;
    font-size: 14px;
    line-height: 1.4;
}

.login-footer {
    margin-top: 28px;
    text-align: center;
    font-size: 12px;
    color: #8a929a;
}

@media (max-width: 480px) {

    .login-page {
        padding: 20px 15px;
    }

    .login-box {
        padding: 30px 22px;
    }

    .login-title {
        font-size: 24px;
    }

}