* {
    box-sizing: border-box;
}

body.login-page {
    min-height: 100vh;
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: #1e3d3d;
    font-family: Arial, sans-serif;
}

.login-box {
    width: 100%;
    max-width: 390px;
    padding: 30px 26px;
    background: #ffffff;
    border-radius: 14px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, .25);
}

.login-header {
    margin-bottom: 24px;
    text-align: center;
}

.login-header h2 {
    margin: 0 0 6px;
    color: #0f766e;
    font-size: 27px;
}

.login-header p {
    margin: 0;
    color: #6b7280;
    font-size: 13px;
}

.login-error {
    margin-bottom: 16px;
    padding: 10px;
    border: 1px solid #fecaca;
    border-radius: 7px;
    background: #fef2f2;
    color: #dc2626;
    font-size: 13px;
    text-align: center;
}

.login-field {
    margin-bottom: 17px;
}

.login-field label {
    display: block;
    margin-bottom: 6px;
    color: #374151;
    font-size: 13px;
    font-weight: 600;
}

.login-field input {
    width: 100%;
    height: 43px;
    padding: 0 12px;
    border: 1px solid #d1d5db;
    border-radius: 7px;
    outline: none;
    font-size: 14px;
}

.login-field input:focus {
    border-color: #0f766e;
    box-shadow: 0 0 0 3px rgba(15, 118, 110, .14);
}

.login-button {
    width: 100%;
    height: 44px;
    border: none;
    border-radius: 7px;
    background: #0f766e;
    color: #ffffff;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
}

.login-button:hover {
    background: #0b625c;
}

@media (max-width: 480px) {

    body.login-page {
        padding: 14px;
    }

    .login-box {
        padding: 25px 18px;
    }
}