/* Reset básico */
body, html {
    margin: 0;
    padding: 0;
    height: 100%;
    font-family: Arial, sans-serif;
    background: linear-gradient(135deg, #f05a1a, #ad0c0c);
}

/* Contenedor centrado */
body {
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Caja del login */
.login-box {
    background: #fff;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 6px 15px rgba(0,0,0,0.2);
    width: 350px;
    text-align: center;
}

/* Título */
.login-box h2 {
    margin-bottom: 20px;
    color: #333;
}

/* Inputs */
.login-box input[type="text"],
.login-box input[type="password"] {
    width: 100%;
    padding: 12px;
    margin: 10px 0;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 14px;
    box-sizing: border-box;
}

/* Botón */
.login-box button {
    width: 100%;
    padding: 12px;
    background: #f05a1a;
    border: none;
    color: white;
    font-size: 16px;
    font-weight: bold;
    border-radius: 6px;
    cursor: pointer;
    transition: 0.3s;
}

.login-box button:hover {
    background: #ad0c0c;
}

/* Mensajes */
.login-box .error {
    color: #d60000;
    margin-bottom: 15px;
    font-weight: bold;
}

.login-box .success {
    color: #1e7e34;
    margin-bottom: 15px;
    font-weight: bold;
}

.login-box .warning {
    color: #e67e22;
    margin-bottom: 15px;
    font-weight: bold;
}