body {
    font-family: 'Poppins', sans-serif;
    background-color: #ebebe8;
    color: #333;
    text-align: center;
    padding: 50px 20px;
    margin: 0;
}

.login-container {
    background: #fff;
    padding: 30px 40px;
    border-radius: 12px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.15);
    display: inline-block;
    max-width: 350px;
    width: 100%;
}

.login-logo { display: block; margin: 0 auto 18px; width: 170px; max-width: 70%; }
.login-logo img { display: block; width: 100%; height: auto; }

.back-link {
    display: inline-block;
    margin-top: 16px;
    font-size: 13px;
    color: #777;
    text-decoration: none;
}
.back-link:hover { color: #002f44; text-decoration: underline; }

h2 {
    color: #002f44;
    font-weight: 600;
    margin-bottom: 25px;
}

form {
    display: flex;
    flex-direction: column;
    align-items: stretch;
}

input[type="text"],
input[type="password"] {
    padding: 10px;
    font-size: 15px;
    margin-bottom: 15px;
    border: 1px solid #ccc;
    border-radius: 6px;
    width: 100%;
    box-sizing: border-box;
}

button[type="submit"] {
    background-color: #002f44;
    color: white;
    font-weight: 600;
    border: none;
    border-radius: 6px;
    padding: 10px;
    cursor: pointer;
    transition: background 0.3s;
}

button[type="submit"]:hover {
    background-color: #004d66;
}

.footer-note {
    margin-top: 20px;
    font-size: 13px;
    color: #777;
}

.error-box {
    background-color: #fdecea;
    color: red;
    border: 1px solid #f5c2c0;
    border-radius: 6px;
    padding: 10px;
    margin-bottom: 15px;
    text-align: left;
    font-size: 14px;
}

@media (max-width: 600px) {
    body { padding: 30px 15px; }
    .login-container { padding: 25px 20px; }
}