:root {
    --color-primary: #2f7a5a;
    --color-primary-dark: #256348;
    --color-danger: #d9534f;
    --color-danger-soft: #fff1f0;
    --color-danger-border: #f2cbc8;
    --color-danger-dark: #b6403c;
}

body {
    margin: 0;
    background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
    font-family: 'Poppins', sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

.login-box {
    background: white;
    padding: 40px;
    width: 100%;
    max-width: 350px;
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}

.login-box h2 {
    text-align: center;
    margin-bottom: 25px;
    color: var(--color-primary-dark);
}

input {
    width: 100%;
    padding: 12px;
    border-radius: 8px;
    border: 1px solid #ccc;
    margin-bottom: 15px;
    font-size: 14px;
    box-sizing: border-box;
}

button {
    width: 100%;
    padding: 12px;
    background: var(--color-primary);
    color: white;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    font-size: 15px;
}

button:hover {
    background: var(--color-primary-dark);
}

.error {
    background: var(--color-danger-soft);
    color: var(--color-danger);
    padding: 10px;
    border-radius: 6px;
    margin-bottom: 15px;
    text-align: center;
}

/* ============================= */
/* TABLET RESPONSIVE */
/* ============================= */

@media (max-width: 1024px) {

    .login-box {
        padding: 35px;
        max-width: 420px;
    }

}

/* ============================= */
/* MOBILE RESPONSIVE */
/* ============================= */

@media (max-width: 600px) {

    body {
        padding: 15px;
    }

    .login-box {
        padding: 30px 25px;
        width: 100%;
        border-radius: 10px;
    }

    .login-box h2 {
        font-size: 20px;
    }

    input {
        padding: 11px;
        font-size: 14px;
    }

    button {
        padding: 11px;
        font-size: 14px;
    }

}

/* EXTRA SMALL PHONE */

@media (max-width: 400px) {

    .login-box {
        padding: 25px 20px;
    }

    .login-box h2 {
        font-size: 18px;
    }

}