* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    background:
        linear-gradient(rgba(20, 35, 28, .75), rgba(20, 35, 28, .75)),
        url("../assets/img/hero-monterrey.png") center/cover no-repeat;
    min-height: 100vh;
}

.back-home {
    display: block;
    margin-top: 16px;
    text-align: center;
    color: #0f3d2e;
    font-weight: 800;
    text-decoration: none;
}

.back-home:hover {
    color: #8b1e1e;
}

.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 25px;
}

.auth-card {
    width: 100%;
    max-width: 430px;
    background: #fff8ec;
    border-radius: 26px;
    padding: 35px;
    box-shadow: 0 20px 60px rgba(0,0,0,.35);
    border: 2px solid #d6a648;
}

.auth-logo {
    display: inline-block;
    text-decoration: none;
    color: #0f3d2e;
    font-size: 32px;
    font-weight: 900;
    margin-bottom: 18px;
}

.auth-card h1 {
    color: #8b1e1e;
    font-size: 32px;
    margin-bottom: 8px;
}

.auth-card p {
    color: #5c4732;
    margin-bottom: 22px;
}

.auth-card label {
    display: block;
    color: #0f3d2e;
    font-weight: 700;
    margin: 14px 0 6px;
}

.auth-card input {
    width: 100%;
    padding: 14px;
    border-radius: 14px;
    border: 1px solid #d8c3a5;
    outline: none;
    font-size: 15px;
    background: white;
}

.auth-card input:focus {
    border-color: #0f7a53;
}

.auth-card button {
    width: 100%;
    margin-top: 22px;
    padding: 15px;
    border: none;
    border-radius: 16px;
    background: linear-gradient(135deg, #0f7a53, #0f3d2e);
    color: white;
    font-weight: 900;
    font-size: 16px;
    cursor: pointer;
}

.auth-card button:hover {
    transform: translateY(-2px);
}

.auth-link {
    display: block;
    text-align: center;
    margin-top: 18px;
    color: #5c4732;
}

.auth-link a {
    color: #8b1e1e;
    font-weight: 800;
    text-decoration: none;
}

.alert {
    padding: 12px;
    border-radius: 12px;
    margin-bottom: 15px;
    font-weight: 700;
}

.alert.error {
    background: #ffe1e1;
    color: #8b1e1e;
}

.alert.success {
    background: #dcf8e8;
    color: #0f7a53;
}

@media (max-width: 600px) {
    .auth-page {
        padding: 16px;
    }

    .auth-card {
        padding: 26px 20px;
        border-radius: 22px;
    }

    .auth-card h1 {
        font-size: 27px;
    }
}