/* ============================================ */
/* LOGIN - versión responsive mejorada */
/* ============================================ */

body {
    background: linear-gradient(135deg, #2ecc71, #27ae60);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* =============================== */
/* CONTENEDOR PRINCIPAL */
/* =============================== */
.login-container {
    width: 100%;
    max-width: 450px;
    padding: 20px;
}

.login-box {
    background: white;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    overflow: hidden;
}

.login-header {
    background: linear-gradient(135deg, #2ecc71, #27ae60);
    color: white;
    padding: 40px 20px;
    text-align: center;
}

.login-header i {
    margin-bottom: 15px;
    opacity: 0.9;
}

.login-header h1 {
    font-size: 32px;
    margin-bottom: 10px;
}

.login-header p {
    opacity: 0.9;
    font-size: 14px;
}

.login-form {
    padding: 40px;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    color: #2c3e50;
    font-weight: 600;
    margin-bottom: 8px;
}

.form-group input {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #ecf0f1;
    border-radius: 8px;
    font-size: 15px;
    transition: all 0.3s;
}

.form-group input:focus {
    outline: none;
    border-color: #2ecc71;
    box-shadow: 0 0 0 3px rgba(46,204,113,0.1);
}

/* =============================== */
/* BOTÓN LOGIN */
/* =============================== */
.btn-login {
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, #2ecc71, #27ae60);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(46,204,113,0.3);
}

/* =============================== */
/* ALERTAS */
/* =============================== */
.alert {
    padding: 15px;
    border-radius: 8px;
    margin: 20px 40px 0;
}

.alert-error {
    background: #fee;
    color: #c33;
    border-left: 4px solid #e74c3c;
}

/* =============================== */
/* FOOTER */
/* =============================== */
.login-footer {
    padding: 20px;
    text-align: center;
    background: #f8f9fa;
    color: #7f8c8d;
    font-size: 13px;
}

/* ============================================ */
/* RESPONSIVE DESIGN */
/* ============================================ */

/* Tablets */
@media (max-width: 992px) {
    body {
        padding: 20px;
    }

    .login-container {
        max-width: 400px;
        padding: 15px;
    }

    .login-header h1 {
        font-size: 26px;
    }

    .login-header p {
        font-size: 13px;
    }

    .login-form {
        padding: 30px;
    }

    .btn-login {
        padding: 14px;
        font-size: 15px;
    }
}

/* Móviles */
@media (max-width: 600px) {
    body {
        flex-direction: column;
        padding: 15px;
    }

    .login-container {
        max-width: 100%;
        padding: 10px;
    }

    .login-header {
        padding: 30px 15px;
    }

    .login-header i {
        font-size: 40px;
    }

    .login-header h1 {
        font-size: 22px;
        margin-bottom: 8px;
    }

    .login-header p {
        font-size: 12px;
    }

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

    .form-group input {
        padding: 10px 12px;
        font-size: 14px;
    }

    .btn-login {
        padding: 12px;
        font-size: 14px;
    }

    .alert {
        margin: 15px 20px 0;
        font-size: 13px;
    }

    .login-footer {
        padding: 15px;
        font-size: 12px;
    }
}

    body {
        background-image: url('https://lapalmaesvida.com/wp-content/uploads/las-realidades-del-aceite-palma-blog.webp');
        background-size: cover; /* hace que cubra toda el área */
        background-position: center; /* centra la imagen */
        background-repeat: no-repeat; /* evita que se repita */
        height: 100vh; /* asegura que ocupe toda la altura visible */
        margin: 0;
        display: flex;
        align-items: center;
        justify-content: center;
        font-family: Arial, sans-serif;
    }

    .login-container {
        display: flex;
        justify-content: center;
        align-items: center;
        width: 100%;
        height: 100%;
    }

    .login-box {
        background-color: rgba(255, 255, 255, 0.9); /* fondo blanco semitransparente */
        padding: 30px;
        border-radius: 10px;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
        width: 350px;
        max-width: 90%;
    }

    .login-header {
        text-align: center;
        margin-bottom: 20px;
    }

    .login-header img.logo-img {
        width: 200px;
        height: auto;
        display: block;
        margin: 0 auto 10px auto;
    }

    .btn-volver {
        display: inline-block;
        background-color: #2e7d32;
        color: #fff;
        padding: 10px 25px;
        border-radius: 5px;
        text-decoration: none;
        font-weight: bold;
        margin-top: 15px;
        transition: background-color 0.3s;
    }

    .btn-volver:hover {
        background-color: #256628;
    }

    .login-footer {
        text-align: center;
        margin-top: 20px;
        color: #555;
    }